Walking beam latch and lens disc actuator arrangement

Details Walking beam latch and lens disc actuator arrangement Walking beam latch and lens disc actuator arrangement

1979-03-05

1981-01-06

Wintercorn, Richard A.

354266, G03B 300, G03B 1730

Patent

active

042433096

ABSTRACT:
A fully automatic and integrated focusing and exposure control system for a photographic camera includes a combination latch and actuator mechanism that operates to normally latch a shutter blade arrangement in its scene light blocking position and to unlatch the shutter blade arrangement in anticipation of an exposure cycle. The combination latch and actuator mechanism also operates during the unlatching of the shutter blades to actuate the focusing apparatus so as to automatically focus the camera objective lens in synchronism with the shutter blade being unlatched.

REFERENCES:
patent: 2229939 (1941-01-01), Service
patent: 3056053 (1962-09-01), Fink
patent: 3179216 (1965-04-01), Tetro
patent: 3220269 (1965-11-01), Gennaro
patent: 3925797 (1975-12-01), Ettischer
patent: 4103993 (1978-08-01), Winkler
patent: 4167316 (1979-09-01), Johnson

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