Apparatus to help prevent temporary blinding of drivers
First Claim
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1. Apparatus for informing a driver of a first vehicle that his headlights are blinding the driver of another vehicle comprising:
- a dynamic retroreflector mounted on the other vehicle and arranged such that light from the headlights of the first vehicle is reflected by the dynamic retroreflector to the eyes of the drive of the first vehicle.
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Abstract
Apparatus for informing a driver of a first vehicle that his headlights are blinding the driver of another vehicle, the apparatus including a dynamic retroreflector mounted on the other vehicle and arranged such that light from the headlights of the first vehicle is reflected by the dynamic retroreflector to the eyes of the driver of the first vehicle.
43 Citations
31 Claims
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1. Apparatus for informing a driver of a first vehicle that his headlights are blinding the driver of another vehicle comprising:
a dynamic retroreflector mounted on the other vehicle and arranged such that light from the headlights of the first vehicle is reflected by the dynamic retroreflector to the eyes of the drive of the first vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A road vehicle assembly including apparatus for informing a driver of an other vehicle that his headlights are blinding the driver of the road vehicle, the road vehicle assembly comprising:
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a chassis;
a drive train;
a dynamic retroreflector mounted on the chassis and arranged such that light from the headlights of said other vehicle is reflected by the dynamic retroreflector to the eyes of the driver of said other vehicle. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. Apparatus for informing a driver of a first vehicle that his headlights are blinding the driver of another vehicle, said apparatus comprising:
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a modulator-reflector mounted on the other vehicle and arranged to reflect light from the headlights of the first vehicle back towards the first vehicle in a modulated form. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
a modulated light sensor mounted on the first vehicle and being operative to distinguish light reflected from the headlights of the first vehicle by virtue of its modulated form and to provide an output indication of receipt of light reflected from the headlights of the first vehicle; and
an automatic headlight brightness controller responsive to the output indication for lowering the brightness of the headlights of the first vehicle.
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19. Apparatus according to claim 18 and wherein at least one of said modulated light sensor and said brightness controller are incorporated within a vehicle headlight.
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20. Apparatus according to claim 18 and wherein said modulated light sensor and said brightness controller are incorporated within a vehicle headlight.
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21. Apparatus according to claim 18 and wherein said modulator-reflector comprises a dynamic near-retroreflector.
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22. Apparatus according to claim 21 and wherein said modulator-reflector comprises a vibrating device.
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23. Apparatus according to claim 21 and wherein said modulator-reflector provides at lest one of color and amplitude modulation.
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24. Apparatus according to claim 21 and wherein said modulator-reflector provides both color and amplitude modulation.
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25. Apparatus according to claim 21 and wherein said modulator-reflector comprises a passive device.
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26. Apparatus according to claim 21 and wherein said modulator-reflector comprises an active device.
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27. Apparatus according to claim 18 and wherein said modulator-reflector comprises a vibrating device.
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28. Apparatus according to claim 18 and wherein said modulator-reflector provides at least one of color and amplitude modulation.
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29. Apparatus according to claim 18 and wherein said modulator-reflector provides both color and amplitude modulation.
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30. Apparatus according to claim 18 wherein said modulator-reflector comprises a passive device.
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31. Apparatus according to claim 18 and wherein said modulator-reflector comprises an active device.
Specification