Camera shutter release device

Details Camera shutter release device Camera shutter release device

1978-04-07

1980-09-16

Hix, L. T.

354238, 354239, 354266, G03B 708, G03B 1740

Patent

active

042226457

ABSTRACT:
In a shutter release device adapted for use with a photograpic camera, especially of the compact or miniature type, delay means are selectively actuated in accordance with a set or anticipated shutter speed for delaying or retarding the initiation of actual shutter opening. The shutter opening is commenced after a lapse of time from the manual operation of the shutter release button to the operation of the shutter release member, when the scene brightness is so low that a blurred picture is anticipated. The shutter is actuated immediately after operation of the release member when the scene brightness is high enough. The delay means may be a mechanical governor of an electric delay circuit responsive to shutter speed setting or detection of scene brightness.

REFERENCES:
patent: T961005 (1977-08-01), Deffenbaugh
patent: 3049983 (1962-08-01), Schulze
patent: 3733991 (1973-05-01), Kobayashi et al.
patent: 3820131 (1974-06-01), Tanaka
patent: 3945026 (1976-03-01), Hayami
patent: 3978496 (1976-08-01), Matsumoto
patent: 4001843 (1977-01-01), Ellin
patent: 4021825 (1977-05-01), McCann et al.
patent: 4107705 (1978-08-01), Hashimoto et al.

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