Patent
1980-02-20
1982-02-02
Adams, Russell E.
354266, G03B 908, G03B 1738
Patent
active
043136613
ABSTRACT:
An electromagnetic shutter release device is described. The device includes an attracting spring coupled to the release operation initiating member to hold the armature. And at once when the biasing force of the retracting spring is lost in the course of the shutter releasing action, the armature is reset on the core quickly.
REFERENCES:
patent: 4132474 (1979-01-01), Ueda et al.
patent: 4133608 (1979-01-01), Tanaka
patent: 4160983 (1979-07-01), Inagaki et al.
Adams Russell E.
Canon Kabushiki Kaisha
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