Motor drive device

Details Motor drive device Motor drive device

1982-05-26

1984-07-10

Perkey, William B.

354214, 354268, G03B 118

Patent

active

044589999

ABSTRACT:
In the disclosed system a camera includes an electro-magnetic release circuit which when operated starts an exposure. A motor-drive includes a drive circuit for winding and rewinding film. The electro-magnetic release circuit is disabled during the film rewind operation to prevent the effect of accidental release.

REFERENCES:
patent: 4126877 (1978-11-01), Ohtaki et al.
patent: 4304481 (1981-12-01), Ichiyanagi
patent: 4306794 (1981-12-01), Fukahori et al.
patent: 4340289 (1982-07-01), Maida
patent: 4379629 (1983-04-01), Daitoku

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