Rotation monitor disturbance neutralization system

Details Rotation monitor disturbance neutralization system Rotation monitor disturbance neutralization system

1996-04-29

1997-03-11

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250205, G01D 534

Patent

active

056103948

ABSTRACT:
A rotating surface optical sensing system having a radiation source controlled by a controlled current generator to emit electromagnetic radiation toward the rotating surface from which it can be directed to a radiation detector to provide corresponding signals to a threshold detector. The controlled current generator uses the threshold detector indications as to whether these signals are beyond a threshold value if validated by a rotation determiner noting rotations of the rotating surface to set the current for the radiation source.

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