Anti-dazzle system for vehicles

Details Anti-dazzle system for vehicles Anti-dazzle system for vehicles

1995-04-10

1996-01-23

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 36, G02F 1135, G02F 113

Patent

active

054869382

ABSTRACT:
In front of the driver there is arranged a screen (20) with a variable transmission coefficient. The headlamps (10, 11) of the vehicle send out periodic pulses of short duration with respect to the period. The transmission coefficient of the screen (20, 23, 24) varies in such a way that it is transparent during the duration of the light pulses and that the screen is substantially less transparent between these pulses.

REFERENCES:
patent: H686 (1989-10-01), Mullins
patent: 3245315 (1966-04-01), Marks et al.
patent: 4085426 (1978-04-01), Aigrain et al.
patent: 4286308 (1981-08-01), Wolff
patent: 4692798 (1987-09-01), Seko et al.
patent: 4818011 (1989-04-01), Cherian
patent: 4944575 (1990-07-01), Aigrain et al.
patent: 4981340 (1991-01-01), Kurematsu et al.

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