Control loop for motorized shutter operation
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United States of America Patent
Stats
-
Dec 21, 1993
Grant Date -
N/A
app pub date -
Mar 18, 1991
filing date -
Mar 18, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light system is disclosed for controlling the amount of light supplied from a high density light source to a target. A shutter is positioned between the light source and the target, and a motor is coupled to said shutter to control the position of said shutter. Either manual or automatic control of said shutter is provided by electronic means coupled to said motor.
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