Camera having electromagnetic drive source

Details Camera having electromagnetic drive source Camera having electromagnetic drive source

1980-03-20

1982-02-02

Hartary, Joseph W.

354234, 354246, 354268, G03B 908, G03B 1912

Patent

active

043136583

ABSTRACT:
Disclosed is a single lens reflex camera having an electrically driven focal plane shutter. A locking arrangement locks the shutter curtains in their start positions before shutter release to prevent unintentional actuation of an exposure due to faulty operation of switches, shock, or the like. Upon completion of the upward movement of the quick return mirror, the locking mechanism is disabled.

REFERENCES:
patent: 4096503 (1978-06-01), Sato
patent: 4202617 (1980-05-01), Urano

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