Automatic focus/exposure operation apparatus for camera

Details Automatic focus/exposure operation apparatus for camera Automatic focus/exposure operation apparatus for camera

1989-08-16

1991-01-15

Adams, Russell E.

35419511, 354266, 354412, G03B 300, G03B 118, G03B 1738

Patent

active

049857240

ABSTRACT:
Apparatus for performing an automatic focus/exposure operation for a camera includes a drive member driven by a motor, a distance member for driving a lens focusing mechanism during a lens focusing operation in correspondence with movement of the drive member in a first direction, a retaining pawl for engaging the distance member means to prevent reverse movement of the distance member means upon completion of the lens focusing operation, and a blade opening/closing mechanism for opening blades during an exposure operation when the drive member moves in a second direction which is opposite to the first direction of the focusing operation, the blade opening/closing mechanism shifting the exposure operation quickly upon completion of the lens focusing operation.

REFERENCES:
patent: 4426145 (1984-01-01), Hashimoto
patent: 4803506 (1989-02-01), Diehl et al.

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