Automatic film rewinding device

Details Automatic film rewinding device Automatic film rewinding device

1984-11-28

1986-04-01

Adams, Russell E.

354214, 354217, G03B 724, G03B 1736

Patent

active

045794324

ABSTRACT:
An automatic film rewinding device in which erroneous rewinding is positively prevented. The film cartridge carries an identifying code indicative of the number of frames of films to be exposed. A number-of-wound-frame dial carries a code dial with which the number of wound frames can be detected. When the detected number of frames contained in a cartridge and the number of wound frames has a predetermined relationship, the motor driving the rewind mechanism is actuated. The motor is stopped when it is detected that the film has been completely rewound into the cartridge.

REFERENCES:
patent: 4299466 (1981-11-01), Harvey
patent: 4461560 (1984-07-01), Yoshino et al.
patent: 4482226 (1984-11-01), Tamamura

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