Device and method for electromagnetically activating the shutter

Details Device and method for electromagnetically activating the shutter Device and method for electromagnetically activating the shutter

1991-07-25

1992-10-27

Gellner, Michael L.

3542341, 3542711, G03B 7097

Patent

active

051593823

ABSTRACT:
A device and method for electromagnetically activating the shutter of a camera to provide different aperture openings comprises:

REFERENCES:
patent: 3517599 (1970-06-01), Sapp, Jr. et al.
patent: 4332450 (1982-06-01), Griffith
patent: 4344687 (1982-08-01), Cloutier
patent: 4361387 (1982-11-01), Cloutier
patent: 4466725 (1984-08-01), Hirohata
patent: 4564278 (1986-01-01), Ohmura

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