Camera provided with a rear surface switch

Details Camera provided with a rear surface switch Camera provided with a rear surface switch

1996-04-22

1998-04-28

Mathews, A. A.

Photography

Camera detail

Film restraining means or pressure plate

396535, 396543, G03B 1700

Patent

active

057458138

ABSTRACT:
A camera provided with a rear surface switch includes a pressure plate. The pressure plate maintains film in a flattened alignment within a film exposure region of the camera. An external cover encloses a rear of the pressure plate. A switch includes a movable operational member that protrudes from the cover. An electrical conductive member is attached to the rear of the pressure plate. An electrical signal is output in accordance with the movement of the operational member. The operational force resulting from the movement of the operational member is supported by the pressure plate.

REFERENCES:
patent: 4444482 (1984-04-01), Kobayashi
patent: 5448334 (1995-09-01), Kaihara et al.
patent: 5473401 (1995-12-01), Tsunefuji

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