Variable attenuated transmittance device control system

Details Variable attenuated transmittance device control system Variable attenuated transmittance device control system

2009-03-30

2010-11-16

Dinh, Jack (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S900000

Reexamination Certificate

active

07835060

ABSTRACT:
Some embodiments include an automotive variable attenuated transmittance device having a predetermined minimum transmittance. Such devices can include a suspended particle device, liquid crystal device, polymer dispersed liquid crystal device, or electrochromic device. Some embodiments also include a manual and/or automatic control system for varying transmittance according to any of a variety of data including, without limitation, position, orientation, transmitted power, and/or the position of an occupant's head.

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patent: 6643050 (2003-11-01), Rukavina et al.
patent: 6972888 (2005-12-01), Poll et al.

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