Apparatus for detecting rotation of motor for camera

Details Apparatus for detecting rotation of motor for camera Apparatus for detecting rotation of motor for camera

1995-03-08

1996-03-12

Blankenship, Howard B.

354485, G03B 118

Patent

active

054990718

ABSTRACT:
An apparatus for detecting the rotation of a motor for a camera comprises an encoder rotatable in synchronism with the driving of a motor for driving a driven portion in the camera, a photointerrupter for detecting slits formed in the encoder and outputting pulse signals, and a circuit board having disposed thereon a control element to which the pulse signals from the photointerrupter are input, the photointerrupter being installed on the circuit board.

REFERENCES:
patent: 4873542 (1989-10-01), Nakayama
patent: 4999656 (1991-03-01), Shimizu et al.

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