US Patent No: 5,899,591

Number of patents in Portfolio can not be more than 2000

Film transporting system for camera using three different transport speeds

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Importance

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Abstract

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A film transporting system for a camera, includes a fork to engage with a film feed spool of a film cartridge, for extruding and rewinding a film, a film take-up spool, a film transporting motor, a first gear train for connecting the film transporting motor and the fork when the film transporting motor rotates in a first direction, a second gear train for connecting the film transporting motor and the fork when the film transporting motor rotates in a second direction, and a third gear train for connecting the film transporting motor and the film take-up spool when the film transporting motor rotates in the first rotational direction, wherein the first, second and third gear trains are arranged in such a manner that 'V1', 'V2' and 'V3' have a relationship of 'V1

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CANON KABUSHIKI KAISHATOKYO55348

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoshima, Chikara Zama, JP 98 660

Cited Art Landscape

Patent Info (Count) # Cites Year
 
EASTMAN KODAK COMPANY (2)
4,834,306 Film cassette 150 1988
4,977,419 Self-clocking encoding/decoding film information exchange system using dedicated magnetic tracks on film 89 1988
 
CANON KABUSHIKI KAISHA (1)
5,160,953 Camera system 12 1991
 
NIKON CORPORATION (1)
5,136,314 Film feeding apparatus in a camera 13 1991

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
CANON KABUSHIKI KAISHA (3)
6,798,093 Dual coil permanent magnet motor having inner annular member 7 2001
6,642,687 Stepping-motor driving device and lens driving device using the same 7 2001
6,800,970 Motor and optical apparatus using the same 23 2003
 
FUJI XEROX CO., LTD. (1)
7,899,387 Drive switching mechanism and image forming apparatus including same 1 2007