Camera and method for setting a used-state display

Details Camera and method for setting a used-state display Camera and method for setting a used-state display

1997-02-13

1998-09-29

Blankenship, Howard B.

Photography

With film drive

Having significant electronic circuit detail

396515, 396538, G03B 118

Patent

active

058157557

ABSTRACT:
A camera is loadable with a film cartridge having a rotary spool connected with a film and a display member rotatable with the rotary spool for displaying a used state of the film. The camera includes: a driver which generates a driving force for rotation of the rotary spool; a transmission device which is operable to execute transmission of the driving force from the driver to the rotary spool; and a controller which controls the transmission device to execute the transmission of the driving force to rotate the rotary spool for rewinding of the film into the film cartridge, and to suspend the transmission of the driving force to allow the rewound film to freely loosen, and to execute the transmission of the driving force to rotate the rotary spool until the display member reaches a position to display a specified used state of the film.

REFERENCES:
patent: 5347334 (1994-09-01), Smart et al.
patent: 5457510 (1995-10-01), Yamazaki et al.
patent: 5612760 (1997-03-01), Okuno

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