Camera having multiple speed film drive

Details Camera having multiple speed film drive Camera having multiple speed film drive

1996-04-03

1998-06-09

Metjahic, Safet

Photography

Exposure data from film itself

396311, G03B 700, G03B 1724

Patent

active

057650586

ABSTRACT:
A camera having a multiple speed film driving mechanism that can accurately read film data on a film cartridge. The camera has a motor that drives a spool axis of the film cartridge, and a reading device that can read film data stored on a recording medium on the film cartridge. When the film cartridge is loaded into the camera, the reading device reads film data on the recording medium that is rotated together with the spool axis at a first speed. When film data reading is finished, the spool axis is rotated at a second speed to feed the film into the camera. A motor drive control circuit and CPU controls spool axis rotation at multiple speeds and directions.

REFERENCES:
patent: 4063139 (1977-12-01), Miller
patent: 4456201 (1984-06-01), Frias et al.
patent: 4969000 (1990-11-01), Ohara et al.
patent: 5307100 (1994-04-01), Kubo
patent: 5464167 (1995-11-01), Fujisawa et al.
patent: 5508767 (1996-04-01), Kazumi et al.
patent: 5530503 (1996-06-01), Takahashi et al.
patent: 5548359 (1996-08-01), Wakabayashi

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