Vehicle speed limit display device
First Claim
1. A speed limit display control device for a vehicle, comprising:
- an image obtaining device configured to obtain an image of a landscape in a direction in which the vehicle is traveling; and
an electronic control unit configured to (i) detect a speed limit indicated on a traffic sign in the landscape based on the image, (ii) display the speed limit when a distance between the vehicle and the traffic sign is a predetermined distance or less, (iii) not display the speed limit when the distance between the vehicle and the traffic sign is greater than the predetermined distance, and (iv) set the predetermined distance larger when the speed limit is higher than a predetermined speed, than when the speed limit is equal to or lower than the predetermined speed.
1 Assignment
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Accused Products
Abstract
A speed limit display device for a vehicle, includes an indicator configured to display information related to a speed limit of a road; an image obtaining device configured to capture an image of a landscape and obtain image data of the landscape; and an electronic control unit configured to detect the speed limit indicated on a traffic sign in the captured landscape, and display the speed limit on the indicator. The electronic control unit is configured to i) determine whether a predetermined condition is satisfied when the traffic sign is detected, the predetermined condition including a condition that a distance between the vehicle and the traffic sign be less than a predetermined distance, ii) display the detected speed limit when the predetermined condition is satisfied, and iii) not display the detected speed limit when the predetermined condition is not satisfied.
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Citations
6 Claims
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1. A speed limit display control device for a vehicle, comprising:
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an image obtaining device configured to obtain an image of a landscape in a direction in which the vehicle is traveling; and an electronic control unit configured to (i) detect a speed limit indicated on a traffic sign in the landscape based on the image, (ii) display the speed limit when a distance between the vehicle and the traffic sign is a predetermined distance or less, (iii) not display the speed limit when the distance between the vehicle and the traffic sign is greater than the predetermined distance, and (iv) set the predetermined distance larger when the speed limit is higher than a predetermined speed, than when the speed limit is equal to or lower than the predetermined speed. - View Dependent Claims (2, 3, 4, 5)
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6. A speed limit display control method for a vehicle, the method comprising:
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obtaining with a camera an image of a landscape in a direction in which the vehicle is traveling; detecting with an electronic control unit a speed limit indicated on a traffic sign in the landscape based on the image; display the speed limit when a distance between the vehicle and the traffic sign is a predetermined distance or less; not displaying the speed limit when the distance between the vehicle and the traffic sign is greater than the predetermined distance; and setting with the electronic control unit the predetermined distance larger when the speed limit is higher than a predetermined speed, than when the speed limit is equal to or lower than the predetermined speed.
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Specification