Electric shutter device having a reciprocating shutter charging

Details Electric shutter device having a reciprocating shutter charging Electric shutter device having a reciprocating shutter charging

1982-04-02

1983-10-18

Mathews, Alan

354173, G03B 908

Patent

active

044102569

ABSTRACT:
In order to utilize the advantage of compactness of the current-attraction type solenoid devices and the advantage of two-solenoid electric shutter of being easily linked with other mechanisms, the electric shutter has such a structure that a reciprocating shutter charging member is not returned at the completion of the shutter charging operation but returned when the first and second solenoids are energized after the picture-taking operation is initiated, and that a resetting member is retract from the moving area of the moving members of the first and second solenoids in relation to said returning motion.

REFERENCES:
patent: 4106040 (1978-08-01), Ito et al.
patent: 4153360 (1979-05-01), Kodaira et al.
patent: 4199243 (1980-04-01), Nakano
patent: 4294527 (1981-10-01), Hashimoto et al.
patent: 4326786 (1982-04-01), Uchiyama et al.
patent: 4339189 (1982-07-01), Nakano

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