Auto/manual camera employing common lens focusing data

Details Auto/manual camera employing common lens focusing data Auto/manual camera employing common lens focusing data

1981-06-04

1983-02-22

Adams, Russell E.

G03B 310

Patent

active

043746136

ABSTRACT:
A photographic camera having both automatic and manual focusing modes of operation includes apparatus for establishing an electrical signal representative of lens focus position for lens focusing related purposes when in its automatic focusing mode of operation, is capable of generating this electrical signal for camera functions other than lens focusing by automatically positioning the lens from its initial manually focused position to a reference position and then back to its initial position, when the camera is operated in its manual focus control mode.

REFERENCES:
patent: 4196987 (1980-04-01), Erlichman
patent: 4219261 (1980-08-01), Rosner et al.
patent: 4227790 (1980-10-01), Shenk
patent: 4291965 (1981-09-01), Johnson et al.

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