Apparatus for detecting vibration by comparing the phase relatio

Details Apparatus for detecting vibration by comparing the phase relatio Apparatus for detecting vibration by comparing the phase relatio

1982-04-12

1985-03-05

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250209, 354402, G03B 300, H01J 4014

Patent

active

045033250

ABSTRACT:
A vibration detection apparatus detects the vibration of an optical system such as a camera by dividing the incoming rays of light and causing pairs of photosensors to receive the divided rays of light and then comparing the shifts in the phases of the signals output from the pairs of photosensors.

REFERENCES:
patent: 4071297 (1978-01-01), Leitz et al.
patent: 4185191 (1980-01-01), Stauffer

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