Low cost auto focus system improvement

Details Low cost auto focus system improvement Low cost auto focus system improvement

1981-08-18

1983-03-22

Perkey, William B.

354226, 354233, 354264, G03B 1300, G03B 908, G03B 922

Patent

active

043773303

ABSTRACT:
A mechanism for use in a camera employing a low cost auto focus system wherein the light from the remote scene is reflected from a moveable mirror to the auto focus circuitry to produce an output indicative of the correct focus position and thereafter the shutter mechanism of the camera is moved into position behind the taking lens and the mirror is moved out of position to allow the shutter to thereafter control the travel of light from the taking lens to the film.

REFERENCES:
patent: 3713371 (1973-01-01), Kurihara et al.
patent: 4309603 (1982-01-01), Stauffer
U.S. appln. Ser. No. 213,438, filed Dec. 5, 1980 in the name of Norman L. Stauffer entitled Detector Balance Apparatus and Method.

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