Photography – Camera detail – With mechanical switch detail
Patent
1997-04-28
1998-11-17
Blankenship, Howard B.
Photography
Camera detail
With mechanical switch detail
200284, G03B 1700
Patent
active
058390103
ABSTRACT:
A release switch is directly activated by a self-timer button, and a shutter release button first activates a photometric switch, then the release switch. The self-timer operation is carried out in response to the activation of only the release switch, a photometric operation is carried out in response to the activation of only the photometric switch, and a shutter release operation is carried out in response to the sequential activation of both the photometric switch and the release switch.
REFERENCES:
patent: 4112447 (1978-09-01), Iwata
patent: 4324472 (1982-04-01), Terada et al.
patent: 5539492 (1996-07-01), Higaki
Arai Akihiro
Kamijo Yutaka
Asahi Kogaku Kabushiki Kaisha
Blankenship Howard B.
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