Motor-driven camera

Details Motor-driven camera Motor-driven camera

1996-07-05

1997-07-08

Mathews, A. A.

Photography

With film drive

Mechanical detail

396418, 396354, G03B 112, G03B 1912

Patent

active

056467117

ABSTRACT:
An SLR camera which uses a film cartridge having a spool includes first and second motors. The first motor performs a film advancing operation, in which the first motor rotates the spool to advance a film wound on the spool from the film cartridge, and a film rewinding operation, in which the first motor rotates the spool so as to rewind the film into the film cartridge. The second motor performs a film winding operation, in which the second motor rotates a film take-up spool provided in the camera to wind the film around the film take-up spool, a shutter charging operation, in which a shutter charge is performed, a mirror up operation, in which a quick-return mirror provided in the camera is moved up after a shutter release, and a mirror down operation, in which the quick-return mirror is moved down after the mirror up operation is completed.

REFERENCES:
patent: 4855772 (1989-08-01), Hashimoto et al.
patent: 4881092 (1989-11-01), Fukahori et al.
patent: 4954859 (1990-09-01), Kitazawa
patent: 5122820 (1992-06-01), Pagano et al.
patent: 5136314 (1992-08-01), Kazami et al.
patent: 5296887 (1994-03-01), Zander

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