Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1993-10-29
1995-09-05
Epps, Georgia Y.
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359267, 359603, 359614, G02F 1153
Patent
active
054483972
ABSTRACT:
An automatic electrochromic rearview mirror for automotive vehicles, the mirror being particularly adapted for use as an outside rearview mirror and incorporating improved means enabling the mirror to survive, over a relatively long useful life, extreme environmental conditions, such as extreme heat and/or cold, ultraviolet light exposure, alternate wetting, freezing and thawing conditions, exposure to salt spray and other corrosive conditions as well as high pressure sprays such as may be encountered in car wash facilities. Mirrors embodying the present invention may be manufactured and assembled with a minimum of breakage of glass components and/or rupture of sealing components during the manufacturing and assembly operations, and also incorporate improved means for increasing the efficiency of heating elements which may be utilized for defrosting purposes.
REFERENCES:
patent: 5151824 (1992-09-01), O'Farrell
Epps Georgia Y.
Gentex Corporation
McKinnon Malcolm R.
Robbins Thomas
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