Film transporting system for photographic camera

Details Film transporting system for photographic camera Film transporting system for photographic camera

1993-06-08

1994-11-15

Gellner, Michael L.

354484, 354207, 354218, 354212, G03B 118, G03B 726, G03B 1902, G03B 160

Patent

active

053652959

ABSTRACT:
A film transporting system for a photographic camera is adapted to advance a film roll loaded in the camera by one frame upon replacement of a source battery. A film transporter including an electric motor, or the like, is actuated to selectively perform film advance or film rewinding. A film travel detector detects that the film roll has been advanced by a predetermined amount and applies a signal to the film transporter. Operation of the film transporter is stopped by this signal. Upon replacement of the source battery, the film transporter advances the film roll by one frame, and thereupon the film transporter is stopped under control of the film travel detector. Accordingly, upon replacement of the source battery, the film roll is advanced by one frame in readiness for a next photograph.

REFERENCES:
patent: 4174888 (1979-11-01), Hunn et al.
patent: 4816862 (1989-03-01), Taniguchi et al.
patent: 4864332 (1989-09-01), Harvey
patent: 5027150 (1991-06-01), Inoue et al.
patent: 5136314 (1992-08-01), Kazami et al.
U.S. Application S. N. 08/071,706, filed Jun. 4, 1993 entitled Film Transporting System For Photographic Camera.
U.S. Application S. N. 08/071,703, filed Jun. 4, 1993, entitled Input System For Photographic Camera.
U.S. Application S. N. 08/081,526, filed Jun. 23, 1993, entitled Source Voltage Monitor For A Photographic Camera.
U.S. Application S. N. 08/089,883, filed Jul. 12, 1993, entitled Display Arrangement For Charging Condition In Strobing Circuit Of Photographic Camera With Built-In Strobe-Flash Device.

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