Light, especially tail light, for a motor vehicle
First Claim
Patent Images
1. A light arrangement for a vehicle, said light arrangement comprising:
- a light source (1) mounted in a reflector (2);
a light disk (3) connected to a front end of said reflector (2) in front of said light source (1), at least one emitter (5) emitting a light signal (6) disposed on a first edge of said light disc (3) and at least one receiver (8) for receiving said light signal (6) for detecting a degree of soiling of said light arrangement disposed on a second edge of said light disc (3), wherein said at least one emitter (5) and said at least one receiver (8) are located at oppositely arranged edges (4, 7) of said light disk (3);
wherein said light signal (6) travels through said light disk (3) by total reflection to be received by said at least one receiver (8).
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Abstract
A light arrangement for a vehicle has a light source mounted in a reflector. A light disc is connected to the front end of the reflector in front of the light source. At least one emitter emitting a light signal and at least one receiver receiving the light signal are provided for detecting the degree of soiling of the light arrangement. The light signal travels through the light disc by total reflection to be then received by the receiver.
13 Citations
7 Claims
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1. A light arrangement for a vehicle, said light arrangement comprising:
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a light source (1) mounted in a reflector (2);
a light disk (3) connected to a front end of said reflector (2) in front of said light source (1), at least one emitter (5) emitting a light signal (6) disposed on a first edge of said light disc (3) and at least one receiver (8) for receiving said light signal (6) for detecting a degree of soiling of said light arrangement disposed on a second edge of said light disc (3), wherein said at least one emitter (5) and said at least one receiver (8) are located at oppositely arranged edges (4, 7) of said light disk (3);
wherein said light signal (6) travels through said light disk (3) by total reflection to be received by said at least one receiver (8). - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification