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Class Information
Number: 396/396
Name: Photography > With film drive > Film movement limiting means > From film drive transmission member
Description: Subject matter wherein a mechanical driving mechanism controls the amount of film advancement to the desired increment without sensing film movement.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7330646 Camera film prewinding using D-shaped film perforations Feb. 12, 2008
6842584 Disengagement mechanism for film pre-loading and film pre-loading method Jan. 11, 2005
6636695 Dual action shutter release with thumbwheel brake and methods Oct. 21, 2003
6580878 Simplified shutter release assembly and camera having same Jun. 17, 2003
6400903 Remote camera relay controller method and apparatus Jun. 4, 2002
6360061 Camera with a device for locking the film feed Mar. 19, 2002
6263169 Manual-wind camera Jul. 17, 2001
6233406 Camera having film winding apparatus May. 15, 2001
6126333 Manual film winding device of a camera Oct. 3, 2000
6070014 Anti-backup pawl for manual film winder reinforced when film winder reverse rotated May. 30, 2000
6052532 One-time-use camera with anti-backup pawl engaging film spool to prevent reverse unwinding rotation of film winder Apr. 18, 2000
6049675 One-time-use camera with anti-backup pawl engaging film winder responsive to film loading Apr. 11, 2000
6038402 Method of disengaging anti-backup pawl from film winder to permit unexposed filmstrip to be prewound from film cartridge during manufacture of one-time-use camera Mar. 14, 2000
6016404 One-time-use camera with anti-backup pawl disengaged from film winder during film loading Jan. 18, 2000
5999745 One-time-use camera with anti-backup mechanism to prevent reverse unwinding rotation of film winder Dec. 7, 1999
5991553 Mechanism for preventing reversal of rotation Nov. 23, 1999
5991552 Metering/release/reset mechanism in camera Nov. 23, 1999
5956526 One-time-use camera with deflector for preventing anti-backup pawl from engaging film winder during camera assembly Sep. 21, 1999
5933669 Film winding mechanism with reduced space requirements Aug. 3, 1999
5875356 Lens-fitted photo film unit Feb. 23, 1999
5826120 One-way winder, film advance and camera Oct. 20, 1998
5812884 Closing light lock of film cartridge breaks anti-backup pawl for film winder wheel in one-time-use camera, to prevent unauthorized reuse Sep. 22, 1998
5773940 Power drive device Jun. 30, 1998
5765065 Single-use camera with reduced winding noise Jun. 9, 1998
5761542 One-time-use camera with film door which when opened to remove film cartridge breaks anti-backup pawl for film winder wheel Jun. 2, 1998
5737640 Combination metering cam and film transport thumbwheel Apr. 7, 1998
5737656 Pump camera Apr. 7, 1998
5723266 Method of processing silver halide photosensitive material Mar. 3, 1998
5724622 Film metering mechanism Mar. 3, 1998
5713056 Film feeding apparatus of camera Jan. 27, 1998
5701536 Camera with film metering responsive shutter release Dec. 23, 1997
5652933 Camera with locking device for securing film winder and frame counter after completed film use Jul. 29, 1997
5628040 Film transfer device used in a camera May. 6, 1997
5625431 Automatic film winding device for a camera Apr. 29, 1997
5614975 Film brake applied by exposure initiation Mar. 25, 1997
5576790 Anti-backup mechanism for preventing reverse rotation of film winder in camera Nov. 19, 1996
5365295 Film transporting system for photographic camera Nov. 15, 1994
5247323 Reloadable canister with replaceable film spool Sep. 21, 1993
5049908 Photographic camera and film Sep. 17, 1991
5005035 Camera operating mechanism Apr. 2, 1991
4945369 Film magazine for underwater cameras Jul. 31, 1990
4914462 Metering defeat mechanism Apr. 3, 1990
4716427 Camera means for regulating the exposure area of a frame of film Dec. 29, 1987
4711545 Film advance mechanism Dec. 8, 1987
4693579 Arrangement for winding cameras Sep. 15, 1987
4655573 Film winding error prevention apparatus Apr. 7, 1987
4611895 Metering roll film holders and multi-format camera Sep. 16, 1986
4436399 Apparatus for transporting or positioning of a strip-shaped light-sensitive material with reference to a picture window Mar. 13, 1984
4397535 Film threading apparatus Aug. 9, 1983
4332448 Film winding safety mechanism Jun. 1, 1982

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