Light projector having a controllable intensity of illumination
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United States of America Patent
Stats
-
Aug 18, 1987
Grant Date -
N/A
app pub date -
Feb 14, 1986
filing date -
Mar 19, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The light projector provided with a system for setting the intensity of illumination for a cavity which is being filmed by means of a video camera, and from which the picture is shown on a monitor screen. The video signal from the camera is supplied as an actual value to a comparator which, as a function of the signal and of an adjustable reference value, drives a servo-motor connected to its output side, which adjusts the intensity of illumination within the cavity by means of a shutter situated in the beam path of the light projector.
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Family
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Cited Art Landscape
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