Patent
1981-10-29
1984-01-03
Mathews, A. A.
3542341, G03B 1738
Patent
active
044239424
ABSTRACT:
In a camera including an electromagnetic release device for releasing a shutter mechanism for the purpose of exposure in response to the moving operation of a release member over a predetermined stroke, a mechanical release device for releasing the shutter mechanism for the purpose of exposure in response to the moving operation of the release member over a stroke exceeding the predetermined stroke, and a limiting device for limiting the movement of the release member within the range of the predetermined stroke in response to the electromagnetic release mode selecting operation of a mode selecting member and for releasing the limitation in response to the mechanical release mode selecting operation of the mode selecting member, there is provided means for impeding the operation of the change-over device for the selection of the mechanical release mode when the electromagnetic release mode is selected, releasing means operable to release the impediment by the impeding means, and means for operatively associating the release of the limitation by the limiting device with the operation of the releasing means.
REFERENCES:
patent: 4118724 (1978-10-01), Ueda et al.
patent: 4313660 (1982-02-01), Nakano et al.
Daitoku Koichi
Furuya Mikihito
Mathews A. A.
Nippon Kogaku K.K.
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