Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1997-02-13
1998-11-17
Hellner, Mark
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359275, G02F 115
Patent
active
058384839
ABSTRACT:
A photochromic device is provided which allows the user to leave the device in a high transmissive state even when exposed to a source of radiation and to control the degree of darkening achieved while exposed to the source of radiation.
REFERENCES:
patent: 5073012 (1991-12-01), Lynam
patent: 5140955 (1992-08-01), Varaprasad et al.
patent: 5277986 (1994-01-01), Cronin et al.
patent: 5384653 (1995-01-01), Benson et al.
patent: 5604626 (1997-02-01), Teowee et al.
Agrawal Anoop
Allemand Pierre-Marc
Cronin John P.
Teowee Gimtong
Tonazzi Juan Carlos Lopez
Donnelly Corporation
Hellner Mark
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