Systems and components for enhancing rear vision from a vehicle
First Claim
1. An electronic imaging system for a vehicle comprising:
- a support structure for mounting to a vehicle;
a lens mounted to said support structure;
a plurality of LEDs mounted to said support structure behind said lens, said LEDs being selectively activated in response to an activation signal such that radiation is emitted from said lens;
a camera mounted to said support structure behind said lens for capturing images in a rearward direction from the support structure for display to a vehicle operator; and
a narrowband filter positioned in front of said camera for blocking light in a waveband corresponding to the light emitted from said LEDs.
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Abstract
A vehicle system is disclosed that includes a vehicle lamp assembly including a plurality of LEDs that emit white light so as to function as an illuminator light. The lamp assembly also may include a plurality of LEDs that emit colored light, such as red or red-orange, so as to function as a signal light. Alternatively or additionally, the lamp assembly may include a camera of a vehicle imaging system. The lamp assembly may serve as a center high mounted stop light or as a tail light. The system also includes a controller that rapidly pulses the LEDs on and off at a rate that is imperceivable by the human eye. The pulsing intervals of the LEDs may be related to the readout intervals of the camera sensor array. In this manner, the LEDs may be pulsed on during camera readout so as to increase their intensity while the camera is capturing an image, or may be pulsed off during camera readout to prevent feedback glare from interfering with image capture by a highly sensitive image sensor array of the camera.
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Citations
23 Claims
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1. An electronic imaging system for a vehicle comprising:
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a support structure for mounting to a vehicle;
a lens mounted to said support structure;
a plurality of LEDs mounted to said support structure behind said lens, said LEDs being selectively activated in response to an activation signal such that radiation is emitted from said lens;
a camera mounted to said support structure behind said lens for capturing images in a rearward direction from the support structure for display to a vehicle operator; and
a narrowband filter positioned in front of said camera for blocking light in a waveband corresponding to the light emitted from said LEDs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A vehicle light module for mounting to the rear of a vehicle, the light module
at least one light source selectively activated in response to an activation signal such that radiation is emitted from the light module; -
a camera for capturing images for display of the images to a vehicle operator; and
means for reducing light emitted from said light source that may be captured by said camera, wherein said means includes a narrowband filter positioned in front of said camera for blocking light in a waveband corresponding to the light emitted from said light source. - View Dependent Claims (10, 11, 12)
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13. A lighting and electronic imaging system for a vehicle comprising:
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a light source for mounting to the vehicle;
a camera for mounting to the vehicle for capturing images for display of the images to a vehicle operator during periodic intervals; and
a controller coupled to said camera and to said light source, wherein during periodic intervals when said camera is not capturing images, said controller reads the image previously captured by said camera, and during periodic intervals when said camera is capturing images, said controller prevents activation of said tight source. - View Dependent Claims (14, 15, 16, 17)
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18. A vehicle imaging system comprising:
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a camera for capturing an image at periodic intervals;
a radiation source for emitting radiation to which said camera is sensitive within the field of view of said camera; and
a controller coupled to said camera and said radiation source for reading the image captured by said camera and for activating said radiation source at periodic intervals coinciding with those intervals at which said camera is capturing an image. - View Dependent Claims (19, 20, 21, 22)
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23. A vehicle light module for mounting to the rear of a vehicle, the light module comprising:
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at least one light source selectively activated in response to an activation signal such that radiation is emitted from the light module;
a camera for capturing images for display of the images to a vehicle operator;
a baffle extending between said camera and said light source to prevent light from said light source from reaching said camera; and
a narrowband filter positioned in front of said camera for blocking light in a waveband corresponding to the light emitted from said light source.
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Specification