understood and implemented, but the time delay and manual reset
provide some difficulty since off-the-shelf components such as laser
diode drivers do not have a time delay or manual reset feature. Often
times these two features are implemented in the form of an electronic
circuit made by the projector manufacturer.
As a point of interest, Pangolin’s Professional Audience Safety
System (PASS) incorporates differential receivers for both the color
signals and position signals, and also implements the time delay and
manual reset features, thus, this multi-purpose projector control board
can help to solve some of the most difficult problems in constructing a
projector.
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