Camera with electromagnetically operated shutter

Details Camera with electromagnetically operated shutter Camera with electromagnetically operated shutter

1982-05-03

1983-10-18

Perkey, William B.

354 59, 354230, 354234, G03B 708, G03B 900

Patent

active

044102496

ABSTRACT:
A camera having an electromagnetically operated shutter in which a plurality of shutter blades arranged to perform a combined function as a diaphragm are driven to gradually open the shutter from a fully closed state in effecting an exposure. Prior to effecting an exposure, the shutter blades change from a deeply overlapped state to a shallowly overlapped state.

REFERENCES:
patent: 4032941 (1977-06-01), Douglas et al.
patent: 4338014 (1982-07-01), Yoshida et al.
patent: 4348092 (1982-09-01), Hirohata et al.

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