Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1990-08-10
1992-06-16
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
250214AL, G01J 120
Patent
active
051226472
ABSTRACT:
A mirror system for use on a vehicle includes one or more remotely actuated mirrors that may be mounted on the interior or exterior of the vehicle. Each mirror has a continuously variable reflective element such as a solid-state electrochromic device or an electrochemichromic cell. A first user actuated input device provides a comfort level-setting control that allows the driver to select a reflectance level for one or more mirrors at a comfortable level. A "panic button" overrides the first input device and lowers the reflectance level of one or more mirrors when an excessive glare condition is experienced. The lower reflectance level may be cancelled manually by a second actuation of the "panic button" or is automatically cancelled after a predetermined period of time to resume the normal comfort level of reflectance.
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Schott bulletin pp. 11-17, No. 1/1983-English.
Lynam Niall R.
Roberts Dale M.
Donnelly Corporation
Nelms David C.
Shami K.
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