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Patent Searching and Data


Title:
FILM REWINDING DEVICE FOR CAMERA
Document Type and Number:
Japanese Patent JP3151251
Kind Code:
B2
Abstract:

PURPOSE: To provide a camera in which the remaining quantity of tongue is accurately controlled even in the case of rewinding film having no perforation.
CONSTITUTION: This device is provided with a film pulse generating means 1 which generates a pulse based on the rotation of a film feeding roller, a film pulse counting means 2 which adds or subtracts the film pulse obtained by the means 1 in specified timing, and a film end face detecting means (photointerrupter) 3 which detects the end face of the film in the specified timing in the case of rewinding the film based on output from the means 2.


Inventors:
Koji Suzuki
Application Number:
JP30501491A
Publication Date:
April 03, 2001
Filing Date:
November 20, 1991
Export Citation:
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Assignee:
Olympus Optical Co., Ltd.
International Classes:
G03B1/00; G03B17/00; G03B17/28; (IPC1-7): G03B17/00; G03B17/28
Domestic Patent References:
JP5883828A
JP5868732A
JP2118623A
JP1287647A
JP377931A
JP61167626U
Attorney, Agent or Firm:
Susumu Ito