Automatic actuation of device according to UV intensity
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United States of America Patent
Stats
-
Mar 29, 2005
Grant Date -
Jun 10, 2004
app pub date -
Jun 4, 2003
filing date -
Nov 21, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device automatically actuated according to UV intensity includes a UV detector generating an electric signal indicative of a UV intensity of a light received thereby; a comparator in communication with the UV detector, receiving the electric signal to compare the UV intensity with a first threshold value, and asserting an actuating signal when the UV intensity is in a predetermined correlation with the first threshold value; and an actuated object in communication with the comparator, actuated to change a state thereof in response to the actuating signal. The actuated object can be an anti-glare rearview mirror, a sunshade curtain, a headlamp, or a transmittance-adjustable window of a vehicle. The actuated object can be a sunshade curtain or a transmittance-adjustable window of a building.
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