Automatic lighting device and method for controlling light
First Claim
1. An automatic lighting device comprising:
- an illuminance detector for detecting an external illuminance around a vehicle;
a light controller for turning on/off a vehicular light to illuminate an outside of the vehicle, wherein the light controller turns on the vehicular light when the external illuminance is not more than an illuminance threshold;
a driver'"'"'s characteristics detector for acquiring information about a driver'"'"'s physical characteristics; and
a threshold setting element for setting the illuminance threshold in accordance with the driver'"'"'s physical characteristics.
1 Assignment
0 Petitions
Accused Products
Abstract
An automatic lighting device includes an illuminance detector for detecting an external illuminance around a vehicle, a light controller for turning on/off a vehicular light, a driver'"'"'s characteristics detector for acquiring information about driver'"'"'s physical characteristics, and a threshold setting element for setting the illuminance threshold in accordance with the driver'"'"'s physical characteristics. The controller turns on the light when the external illuminance is not more than the illuminance threshold.
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US 9,824,285 B2
Filed 01/26/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with collision mitigation | ||
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Patent #
US 9,824,587 B2
Filed 02/12/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driving assist system for vehicle | ||
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Patent #
US 9,834,142 B2
Filed 05/19/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system using cameras and radar sensor | ||
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Patent #
US 9,834,216 B2
Filed 01/24/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Parking assist system | ||
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Patent #
US 9,868,463 B2
Filed 09/28/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system using image data transmission and power supply via a coaxial cable | ||
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Patent #
US 9,900,490 B2
Filed 02/22/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| System and method of establishing a multi-camera image using pixel remapping | ||
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Patent #
US 9,900,522 B2
Filed 12/01/2011
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driver active safety control system for vehicle | ||
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Patent #
US 9,911,050 B2
Filed 09/04/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system utilizing camera synchronization | ||
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Patent #
US 9,912,841 B2
Filed 10/31/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Process for determining state of a vehicle | ||
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Patent #
US 9,916,699 B2
Filed 07/24/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driver assist system with image processing and wireless communication | ||
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Patent #
US 9,919,705 B2
Filed 09/28/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle collision avoidance system with enhanced pedestrian avoidance | ||
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Patent #
US 9,925,980 B2
Filed 09/15/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driver assistance system for vehicle | ||
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Patent #
US 9,940,528 B2
Filed 11/20/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vision system for vehicle | ||
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Patent #
US 9,948,904 B2
Filed 08/14/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Method for controlling a vehicle in accordance with parameters preferred by an identified driver | ||
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Patent #
US 9,950,707 B2
Filed 04/17/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Trailering assist system with trailer angle detection | ||
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Patent #
US 9,950,738 B2
Filed 07/20/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular imaging system comprising an imaging device with a single image sensor and image processor for determining a totally blocked state or partially blocked state of the single image sensor as well as an automatic correction for misalignment of the imaging device | ||
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Patent #
US 9,972,100 B2
Filed 04/23/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle control system with traffic driving control | ||
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Patent #
US 9,988,047 B2
Filed 12/12/2014
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Imaging system for vehicle | ||
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Patent #
US 10,003,755 B2
Filed 12/08/2014
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driver assistance system for vehicle | ||
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Patent #
US 10,005,394 B2
Filed 11/16/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system | ||
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Patent #
US 10,015,452 B1
Filed 04/16/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with lens pollution detection | ||
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Patent #
US 10,021,278 B2
Filed 04/18/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Braking control system for vehicle | ||
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Patent #
US 10,023,161 B2
Filed 10/31/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system utilizing corner detection | ||
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Patent #
US 10,025,994 B2
Filed 12/02/2013
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Spectral filtering for vehicular driver assistance systems | ||
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Patent #
US 10,027,930 B2
Filed 03/28/2014
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Image processing method for detecting objects using relative motion | ||
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Patent #
US 10,043,082 B2
Filed 01/16/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Control system for vehicle | ||
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Patent #
US 10,046,702 B2
Filed 12/04/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Imaging and display system for vehicle | ||
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Patent #
US 10,053,012 B2
Filed 10/16/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with enhanced lane tracking | ||
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Patent #
US 10,055,651 B2
Filed 03/01/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular multi-camera vision system | ||
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Patent #
US 10,057,489 B2
Filed 09/18/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vision system for vehicle | ||
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Patent #
US 10,071,676 B2
Filed 09/12/2016
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Current Assignee
Magna Mirrors of America Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle parking assist system with vision-based parking space detection | ||
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Patent #
US 10,078,789 B2
Filed 07/14/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driver assistance system for vehicle | ||
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Patent #
US 10,086,747 B2
Filed 08/25/2014
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Trailer parking assist system for vehicle | ||
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Patent #
US 10,086,870 B2
Filed 08/16/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system with trailering assist function | ||
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Patent #
US 10,089,541 B2
Filed 10/02/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with dirt detection | ||
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Patent #
US 10,089,540 B2
Filed 09/12/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with front and rear camera integration | ||
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Patent #
US 10,089,537 B2
Filed 05/15/2013
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driver assistance system for a vehicle | ||
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Patent #
US 10,099,610 B2
Filed 10/10/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with enhanced display functions | ||
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Patent #
US 10,104,298 B2
Filed 08/21/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular camera with on-board microcontroller | ||
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Patent #
US 10,106,155 B2
Filed 11/11/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Forward facing sensing system for vehicle | ||
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Patent #
US 10,107,905 B2
Filed 11/28/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system | ||
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Patent #
US 10,110,860 B1
Filed 07/02/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driver assistant system using influence mapping for conflict avoidance path determination | ||
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Patent #
US 10,115,310 B2
Filed 09/11/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system using cameras and radar sensor | ||
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Patent #
US 10,118,618 B2
Filed 12/04/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Method for vehicular control | ||
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Patent #
US 10,127,738 B2
Filed 03/12/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle monitoring system | ||
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Patent #
US 10,137,892 B2
Filed 11/18/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vision display system for vehicle | ||
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Patent #
US 10,144,352 B2
Filed 08/14/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle dynamic control system for emergency handling | ||
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Patent #
US 10,144,419 B2
Filed 11/22/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Trailer backup assist system | ||
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Patent #
US 10,160,382 B2
Filed 02/04/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle control system with reverse assist | ||
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Patent #
US 10,160,437 B2
Filed 02/27/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system utilizing multiple cameras and ethernet links | ||
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Patent #
US 10,171,709 B2
Filed 03/05/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Multi-camera vehicle vision system with image gap fill | ||
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Patent #
US 10,187,590 B2
Filed 10/26/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system | ||
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Patent #
US 10,187,615 B1
Filed 10/22/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle control system with adaptive wheel angle correction | ||
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Patent #
US 10,202,147 B2
Filed 11/07/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Collision avoidance system for vehicle | ||
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Patent #
US 10,207,705 B2
Filed 10/25/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Parking assist system for vehicle | ||
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Patent #
US 10,214,206 B2
Filed 07/11/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| System for locating a parking space based on a previously parked space | ||
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Patent #
US 10,222,224 B2
Filed 04/15/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Rear vision system for vehicle with dual purpose signal lines | ||
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Patent #
US 10,232,797 B2
Filed 04/29/2014
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Method for enhancing vehicle camera image quality | ||
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Patent #
US 10,257,432 B2
Filed 09/25/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision using image data transmission and power supply via a coaxial cable | ||
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Patent #
US 10,284,764 B2
Filed 02/19/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with video compression | ||
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Patent #
US 10,286,855 B2
Filed 03/22/2016
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system | ||
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Patent #
US 10,286,843 B2
Filed 08/21/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| System and method for estimating distance between a mobile unit and a vehicle using a TOF system | ||
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Patent #
US 10,288,724 B2
Filed 11/20/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Multi-sensor interior mirror device with image adjustment | ||
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Patent #
US 10,300,859 B2
Filed 06/08/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Trailer driving assist system | ||
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Patent #
US 10,300,855 B2
Filed 10/25/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular display system | ||
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Patent #
US 10,300,856 B2
Filed 08/20/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system | ||
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Patent #
US 10,306,190 B1
Filed 01/21/2019
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular vision system with enhanced display functions | ||
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Patent #
US 10,321,064 B2
Filed 10/11/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with reduction of temporal noise in images | ||
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Patent #
US 10,326,969 B2
Filed 08/11/2014
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Parking assist system with annotated map generation | ||
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Patent #
US 10,328,932 B2
Filed 06/01/2015
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular vision system with rear backup video display | ||
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Patent #
US 10,336,255 B2
Filed 11/29/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system using cameras and radar sensor | ||
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Patent #
US 10,351,135 B2
Filed 11/01/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with lens pollution detection | ||
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Patent #
US 10,397,451 B2
Filed 07/09/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular lane change system | ||
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Patent #
US 10,406,980 B2
Filed 10/11/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system responsive to yaw rate estimation system | ||
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Patent #
US 10,407,080 B2
Filed 09/18/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Lane keeping system and lane centering system | ||
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Patent #
US 10,427,679 B2
Filed 09/11/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with reduced image color data processing by use of dithering | ||
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Patent #
US 10,434,944 B2
Filed 08/30/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Processing method for distinguishing a three dimensional object from a two dimensional object using a vehicular system | ||
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Patent #
US 10,452,931 B2
Filed 08/06/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with multi-paned view | ||
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Patent #
US 10,457,209 B2
Filed 03/28/2013
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system | ||
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Patent #
US 10,462,426 B2
Filed 05/16/2019
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular vision system with rear backup video display | ||
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Patent #
US 10,486,597 B1
Filed 07/01/2019
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle camera system with image manipulation | ||
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Patent #
US 10,493,916 B2
Filed 02/22/2013
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular trailer backup assist system | ||
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Patent #
US 10,493,917 B2
Filed 12/20/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular collision mitigation system | ||
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Patent #
US 10,497,262 B2
Filed 11/20/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular vision system | ||
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Patent #
US 10,509,972 B2
Filed 04/09/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with front and rear camera integration | ||
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Patent #
US 10,515,279 B2
Filed 08/30/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle data recording system | ||
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Patent #
US 10,523,904 B2
Filed 04/10/2019
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Method of synchronizing multiple vehicular cameras with an ECU | ||
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Patent #
US 10,560,610 B2
Filed 12/28/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Coaxial cable with bidirectional data transmission | ||
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Patent #
US 10,567,705 B2
Filed 06/06/2014
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system using image data transmission and power supply via a coaxial cable | ||
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Patent #
US 10,567,633 B2
Filed 05/02/2019
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Parking assist system | ||
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Patent #
US 10,569,804 B2
Filed 01/15/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Method for displaying video images for a vehicular vision system | ||
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Patent #
US 10,574,885 B2
Filed 08/20/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system with trailering assist function | ||
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Patent #
US 10,586,119 B2
Filed 10/01/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular rear backup vision system with video display | ||
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Patent #
US 10,589,678 B1
Filed 11/25/2019
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with accelerated object confirmation | ||
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Patent #
US 10,609,335 B2
Filed 03/22/2013
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Video processor module for vehicle | ||
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Patent #
US 10,611,306 B2
Filed 08/09/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Imaging system for vehicle | ||
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Patent #
US 10,616,507 B2
Filed 06/18/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driver assistance system for vehicle | ||
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Patent #
US 10,623,704 B2
Filed 03/09/2015
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Current Assignee
Donnelly Corporation
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Original Assignee
Donnelly Corporation
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| Vision system for vehicle | ||
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Patent #
US 10,640,040 B2
Filed 09/10/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Forward sensing system for vehicle | ||
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Patent #
US 10,670,713 B2
Filed 10/22/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular vision system using smart eye glasses | ||
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Patent #
US 10,671,868 B2
Filed 10/02/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular driving assist system using forward-viewing camera | ||
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Patent #
US 10,683,008 B2
Filed 07/15/2019
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular driver assist system | ||
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Patent #
US 10,685,243 B2
Filed 08/20/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle control system with traffic driving control | ||
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Patent #
US 10,688,993 B2
Filed 06/04/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicle vision system with collision mitigation | ||
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Patent #
US 10,692,380 B2
Filed 11/20/2017
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular parking assist system that determines a parking space based in part on previously parked spaces | ||
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Patent #
US 10,718,624 B2
Filed 03/04/2019
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular imaging system with blockage determination and misalignment correction | ||
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Patent #
US 10,726,578 B2
Filed 05/14/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Driver assistant system using influence mapping for conflict avoidance path determination | ||
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Patent #
US 10,733,892 B2
Filed 10/29/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system with traffic lane detection | ||
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Patent #
US 10,735,695 B2
Filed 10/28/2019
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Vehicular control system with temperature input | ||
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Patent #
US 10,744,940 B2
Filed 06/25/2018
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Current Assignee
Magna Electronics Incorporated
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Original Assignee
Magna Electronics Incorporated
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| Imaging system for vehicle | ||
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US 10,766,417 B2
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17 Claims
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1. An automatic lighting device comprising:
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an illuminance detector for detecting an external illuminance around a vehicle; a light controller for turning on/off a vehicular light to illuminate an outside of the vehicle, wherein the light controller turns on the vehicular light when the external illuminance is not more than an illuminance threshold; a driver'"'"'s characteristics detector for acquiring information about a driver'"'"'s physical characteristics; and a threshold setting element for setting the illuminance threshold in accordance with the driver'"'"'s physical characteristics. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for controlling a vehicular light to illuminate an outside of a vehicle, the method comprising:
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detecting an external illuminance around a vehicle; turning on the vehicular light when the external illuminance is not more than an illuminance threshold; acquiring information about a driver'"'"'s physical characteristics; and setting the illuminance threshold in accordance with the driver'"'"'s physical characteristics. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An automatic lighting device comprising:
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an illuminance detector for detecting an external illuminance around a vehicle; a light controller for turning an exterior light of the vehicle on when the exterior illuminance is below a specified threshold; a driver'"'"'s characteristic detector for acquiring information about a driver'"'"'s physical characteristic; and a threshold setting element for setting the specified threshold based on the driver'"'"'s physical characteristic. - View Dependent Claims (16, 17)
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1 Specification
This application is based on Japanese Patent Application No. 2006-130268 filed on May 9, 2006, the contents of which are incorporated herein by reference in its entirety.
1. Field of the Invention
The present invention relates to an automatic lighting device which automatically turns on/off a vehicular light in accordance with an external illuminance. The present invention also relates to a method for automatically turning on/off a vehicular light in accordance with an external illuminance.
2. Description of the Related Art
Conventionally, an automatic lighting device (also called a light control system) which detects an illuminance surrounding a vehicle with a sensor and controls vehicular lights in accordance with a detecting illuminance is known (for example, JP-A-2003-291718). For example, in an automatic lighting device in the prior art, an illuminance sensor detects an external illuminance around a vehicle, and an ECU (Electronic Control Unit) turns on vehicular lights including head lamps and tail lamps when the external illuminance is not more than a certain illuminance threshold, and turns off the vehicular lights when the external illuminance is more than the illuminance threshold. In this way, the automatic lighting device turns on the vehicular lights automatically to help a driver when the vehicle enters a tunnel, and when it is getting dark at evening, for example.
A person having a light iris color normally does not need to turn on the vehicular lights until late night because he has an excellent night vision. A person having a dark iris color needs to turn on the vehicular lights even at early twilight because he has a less-excellent night vision.
However, the automatic lighting device in the prior art automatically turns on/off the vehicular lights at a certain external illuminance. Therefore, a timing of turning on/off the vehicular lights at twilight when the surrounding gradually becomes dark is not optimized for driver'"'"'s physical characteristics such as night vision.
In view of the foregoing problems, it is an object of the present invention to provide an automatic lighting device which can automatically turn on/off vehicular lights at an appropriate timing in accordance with driver'"'"'s physical characteristics. It is another object of the invention to provide a method for automatically turning on/off vehicular lights at an appropriate timing in accordance with driver'"'"'s physical characteristics.
According to an aspect of the present invention, an automatic lighting device includes an illuminance detector for detecting an external illuminance around a vehicle, a light controller for turning on/off a vehicular light, a driver'"'"'s characteristics detector for acquiring information about driver'"'"'s physical characteristics, and a threshold setting element for setting the illuminance threshold in accordance with the driver'"'"'s physical characteristics. The controller turns on the light when the external illuminance is not more than the illuminance threshold.
In the automatic lighting device, the driver'"'"'s characteristics detector acquires the information about the driver'"'"'s physical characteristics, and threshold setting element sets the illuminance threshold in accordance with the information about the driver'"'"'s physical characteristics acquired with the driver'"'"'s characteristics detector. The light controller turns on the vehicular lights when the external illuminance detected with the illuminance detector is not more than the illumination threshold set in accordance with the information about the driver'"'"'s physical characteristics. Therefore, the automatic lighting device can turn on the vehicular lights at an appreciate timing in accordance with the driver'"'"'s physical characteristics.
According to another aspect of the present invention, a method for controlling a vehicular light includes detecting an external illuminance around a vehicle, turning on the vehicular light when the external illuminance is not more than an illuminance threshold, acquiring information about driver'"'"'s physical characteristics, and setting the illuminance threshold in accordance with the driver'"'"'s physical characteristics.
According to the method, the vehicular lights can be automatically turned on in accordance with the driver'"'"'s physical characteristics.
Additional objects and advantages of the present invention will be more readily apparent from the following detailed description of preferred embodiment when taken together with the accompanying drawings. In the drawings:
An automatic lighting device 1 according to an embodiment of the invention is described below with the accompanying drawings.
The automatic lighting device 1 includes vehicular lights 10, an illuminance sensor 11, an automatic lighting switch 12, an eye camera 19 and an ECU 20, as shown in
The vehicle lights 10 are lamps provided in the vehicle including headlamps provided at front part of the vehicle, and/or tail lamps provided at a rear part of the vehicle.
The illuminance sensor 11 is a sensor device arranged in the vicinity of an windshield in a vehicle compartment, and functions as an illuminance detector.
The automatic lighting switch 12 arranged in the vicinity of a driver'"'"'s seat is a dial switch that is operated by a driver to change a mode of the automatic lighting device 1, and functions as a threshold setting operation element. As shown in
Specifically, by setting the switch 12a at one of positions of ON and A to I, an automatic lighting mode is turned on, and the vehicular lights 10 are automatically tuned on/off. When the switch 12a is set at the position of ON, the mode becomes an automatic setting mode. In the automatic setting mode, an illuminance threshold T is automatically set in accordance with a driver'"'"'s iris color (e.g., black, dark brown, brown, light brown, green, blue, light blue, dark gray and light gray) detected with the eye camera 19. The illuminance threshold T is a threshold for a decision whether the external illuminance is a level to automatically turn on the vehicular lights 10 or not. When the switch 12a is set at one of positions of A to I, the mode becomes a manual setting mode in which the illuminance threshold T is set in accordance with a switch location.
When the switch 12a is set at the position of OFF, the automatic lighting mode is turned off, and the vehicular lights 10 are not automatically turned on/off. Therefore, the driver needs to turn on/off by a manual operation of a vehicular light switch (not shown).
The eye camera 19 arranged at a front upper part of the driver'"'"'s seat is a device that detects the driver'"'"'s iris color and outputs a detecting result as a signal, and functions as a driver'"'"'s characteristics detector, an iris color detector, and a camera. The eye camera 19 includes an imaging part 19a and a color detecting part 19b. The imaging part 19a is composed of, for example, a CCD element, and images a picture of driver'"'"'s eyes. The color detecting part 19b detects the iris color in accordance with the iris picture imaged with the imaging part 19a, and outputs the detecting result as a signal.
The ECU 20 includes a CPU 21 as a central processor which executes a various arithmetic processing, a ROM 22 for storing a control program, and a RAM 23 for storing various data. The ECU 20 functions as a control circuit for controlling turning on/off the vehicular lights 10. As shown in
A flow of an illuminance threshold setting process executed by the CPU 21 in the ECU 20 is described with referring to flow charts in
In the flow charts in
Next, in Step S3, it is decided whether the iris is black or not. When the iris is black (S3: Yes), the illuminance threshold T is set to a predetermined value Ta (S13), and the routine ends. When the iris is not black (S3: No), it goes to Step S4, and it is decided whether the iris is dark brown or not. When the iris is dark brown (S4: Yes), the illuminance threshold T is set to a predetermined value Tb (S15), and the routine ends. When the iris is not dark brown (S4: No), it goes to Step S5, and it is decided whether the iris is brown or not. When the iris is brown (S5: Yes), the illuminance threshold T is set to a predetermined value Tc (S17), and the routine ends. When the iris is not brown (S5: No), it goes to Step S6, and it is decided whether the iris is light brown or not. When the iris is light brown (S6: Yes), the illuminance threshold T is set to a predetermined value Td (S19), and the routine ends. When the iris is not light brown (S6: No), it goes to Step S7, and it is decided whether the iris is green or not. When the iris is green (S7: Yes), the illuminance threshold T is set to a predetermined value Te (S21), and the routine ends.
When the iris is not green (S7: No), it goes to Step S8, and it is decided whether the iris is blue or not. When the iris is blue (S8: Yes), the illuminance threshold T is set to a predetermined value Tf (S23), and the routine ends. When the iris is not blue (S8: No), it goes to Step S9, and it is decided whether the iris is light blue or not. When the iris is light blue (S9: Yes), the illuminance threshold T is set to a predetermined value Tg (S25), and the routine ends. When the iris is not light blue (S9: No), it goes to Step S10, and it is decided whether the iris is dark gray or not. When the iris is dark gray (S10: Yes), the illuminance threshold T is set to a predetermined value Th (S27), and the routine ends. When the iris is not dark gray (S10: No), it goes to Step S1, and it is decided whether the iris is light gray or not. When the iris is light gray (S11: Yes), the illuminance threshold T is set to a predetermined value Ti (S29), and the routine ends. When the iris is not light gray (S11: No), it goes to Step S13. The illuminance threshold T is set to the predetermined value Ta, and the routine ends.
When the switch location is not at the position of ON in Step S1 (S1: No), it goes to Step S12, and it is decided whether the switch indicates the position of A or not. When the switch indicates the position of A (S12: Yes), the illuminance threshold T is set to the predetermined value Ta (S13), and the routine ends. When the switch does not indicate the position of A (S12: No), it goes to Step S14, and it is decided whether the switch indicates the position of B or not. When the switch indicates the position of B (S14: Yes), the illuminance threshold T is set to the predetermined value Tb (S15), and the routine ends. When the switch does not indicate the position of B (S14: No), it goes to Step S16, and it is decided whether the switch indicates the position of C or not. When the switch indicates the position of C (S16: Yes), the illuminance threshold T is set to the predetermined value Tc (S17), and the routine ends. When the switch does not indicate the position of C (S16: No), it goes to Step S18, and it is decided whether the switch indicates the position of D or not. When the switch indicates the position of D (S18: Yes), the illuminance threshold T is set to the predetermined value Td (S19), and the routine ends. When the switch does not indicate the position of D (S18: No), it goes to Step S20, and it is decided whether the switch indicates a position of E or not. When the switch indicates the position of E (S20: Yes), the illuminance threshold T is set to the predetermined value Te (S21), and the routine ends.
When the switch does not indicate the position of E (S20: No), it goes to Step S22, and it is decided whether the switch indicates the position of F or not. When the switch indicates the position of F (S22: Yes), the illuminance threshold T is set to the predetermined value Tf (S23), and the routine ends. When the switch does not indicate the position of F (S22: No), it goes to Step S24, and it is decided whether the switch indicates the position of G or not. When the switch indicates the position of G (S24: Yes), the illuminance threshold T is set to the predetermined value Tg (S24), and the routine ends. When the switch does not indicate the position of G (S24: No), it goes to Step S26, and it is decided whether the switch indicates the position of H or not. When the switch indicates the position of H (S26: Yes), the illuminance threshold T is set to the predetermined value Th (S27), and the routine ends. When the switch does not indicate the position of H (S26: No), it goes to Step S28, and it is decided whether the switch indicates the position of I or not. When the switch indicates the position of I (S28: Yes), the illuminance threshold T is set to the predetermined value Ti (S29), and the routine ends. When the switch does not indicate the position of I (S29: No), the routine ends.
In the embodiment, a relationship of the predetermined values Ta to Ti is set to Ta>Tb>Tc>Td>Te>Tf>Tg>Th>Ti.
Next, a flow of an automatic turning on/off process of the vehicular lights 10 is described with referring to a flow chart in
In the flow chart in
A relationship between a value of the illuminance threshold at twilight and a timing of turning on the vehicular lights 10 is described with referring to a graph in
Therefore, in the automatic setting mode, that is, when the switch location of the automatic lighting switch 12 is at the position of ON, the timing of turning on becomes the earliest when the driver'"'"'s iris color is black, gradually becomes late in order of dark brown, brown, light brown, green, blue, light blue, and dark gray, and becomes the latest when the driver'"'"'s iris color is light gray. On the other hand, in the manual setting mode, i.e., when the switch location of the automatic lighting switch 12 is at one of positions of A to I, the timing of turning on becomes the earliest when the switch location is at the position of A, gradually becomes late in order of B, C, D, E, F, G and H, and becomes the latest when the switch location is at the position of I.
As described above, when the switch location of the automatic lighting switch 12 is at the position of ON, the eye camera 19 as the iris color detector detects the iris color as the information about the driver'"'"'s physical characteristics, and the CPU 21 as the threshold setting element sets the illuminance threshold T in accordance with the iris color detected with the eye camera 19. Therefore, the automatic lighting device 1 according to the embodiment can turn on the vehicular lights 10 at an appropriate timing in accordance with the iris color that is closely related to a night vision. Especially, the illuminance threshold T is set in such manner that the threshold is low when the iris color is light, and the threshold is high when the iris color is dark. Therefore, when the driver has a light iris color and an excellent night vision, the automatic lighting device does not turn on the vehicular lights 10 until late night. On the other hand, when the driver has a dark iris color and a less-excellent night vision, the automatic lighting device turn on the vehicular light 10 at early twilight.
Furthermore, by changing the switch location of the automatic lighting switch 12 as the threshold setting operation element at one of positions of A to I, the illuminance threshold T is set by the driver'"'"'s manual operation. Therefore, the vehicular lights 10 can be turned on according to a driver'"'"'s preference at twilight, for example.
When the vehicular lights 10 is turned on by the driver'"'"'s manual operation, the illuminance sensor 11 may detect the external illuminance and CPU 21 may optimize the illuminance threshold T in accordance with the external illuminance detected with the illuminance sensor 11.
As shown in
When the switch is not located at a position of OFF, i.e., when the switch location is at one of positions of ON and A to I in Step S41 (S41: No), and when the vehicular lights 10 are not tuned on by the manual operation in Step 42 (S42: No), the routine ends.
As shown in
In Step S51, when the switch location is not at position of ON (S51: No), it goes to Step S59, and it is decided whether the switch location is at one of position of A to I. When the switch location is at one of A to I (S59: Yes), a process after Step S55 is executed. When the optimal value a is not stored in the RAM 23 (S52: No), and when the optimal value a is not more than the illuminance threshold T (S53: No), the process after Step S55 is executed.
When the switch location is not at any positions of A to I, i.e., when the switch location is at the position of OFF (S59: No), it returns to Step S51.
According to the modification, when the switch location is at the position of ON (in the automatic setting mode), in the illuminance threshold optimizing process, the illuminance threshold T is optimized with the optimal value a which is the average of the external illuminance L when the vehicular lights 10 are turned on by the manual operation. Therefore, the vehicular lights 10 can be turned on/off at appropriate timing in accordance with the driver'"'"'s preference.
Furthermore, in the above-described embodiment, the driver'"'"'s iris color is detected with the eye camera 19 as the information about the driver'"'"'s physical characteristics, and the illuminance threshold T is changed in accordance with the iris color. Alternatively, a portion of the driver'"'"'s body (e.g., face, upper body and entire body) may be imaged with the CCD camera, information about the driver'"'"'s physical characteristics (e.g., age and with or without glasses) is acquired based on the image of the CCD camera, and the illuminance threshold T is set in accordance with the driver'"'"'s physical characteristics. For example, when the driver is identified with an elderly person, the illuminance threshold T may be set to be higher than the usual. According to the setting, when the driver is the elderly person, the vehicular lights 10 are tuned on at earlier timing than the usual at twilight. Therefore, the elderly person having a less-excellent night vision can be prevented from a traffic accident. In addition, when the driver wears glasses, the illuminance threshold T may be set to be higher than the usual. According to the setting, when the driver wears the glasses, the vehicular lights 10 are tuned on at earlier timing than when driver does not wear glasses. Therefore, a person wearing glasses and having a less-excellent night vision can be prevented from a traffic accident.
Such changes and modifications are to be understood as being within the scope of the present invention as defined by the appended claims.
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- Resources
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Current AssigneeDENSO Corporation
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Original AssigneeDENSO Corporation
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InventorsKatoh, Toshiyuki
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Primary Examiner(s)Mehmood, Jennifer
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APPLICATION
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Time in patent office992 Days
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Field of Search362/464, 362487-490, 362/253, 362/276, 362/317, 362/372, 362/4, 362/5, 362/8, 362 16- 18, 180/272, 340/937, 340/942, 340/933, 34099514-99517, 340/438, 340/573.1, 340/576, 340 581- 583, 340/426.24, 340/426.25
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US Class Current340/576
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CPC Class CodesB60Q 1/1423 Automatic dimming circuits,...B60Q 2300/23 Driver's line of sightB60Q 2300/314 Ambient lightB60Q 2300/45 Special conditions, e.g. pe...
1 Family Member
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Automatic Lighting Device And Method For Controlling Light
- US 7,639,149 B2
- Issued 12/29/2009
- Current Assignee DENSO Corporation
- Original Assignee DENSO Corporation