Lens drive for auto focus camera

Details Lens drive for auto focus camera Lens drive for auto focus camera

1984-02-21

1985-04-09

Adams, Russell E.

3541951, G03B 708

Patent

active

045098409

ABSTRACT:
A lens drive mechanism for an auto focus camera transmits a substantially uniform driving force to rotate a lens mechanism at a uniform rate from a drive member interconnecting a pair of shutter blade elements regardless of variations in the output of the camera battery supply which operate to impart variations in the speed at which the shutter blade connecting member is driven.

REFERENCES:
patent: 4167316 (1979-09-01), Johnson et al.
patent: 4192587 (1980-03-01), LaRocque et al.
patent: 4258988 (1981-03-01), Kitai et al.
patent: 4355872 (1982-10-01), Kitai et al.
patent: 4367935 (1983-01-01), Kuge et al.

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