Film feeding system of a camera

Details Film feeding system of a camera Film feeding system of a camera

1988-06-08

1990-11-13

Perkey, W. B.

354214, 354217, G03B 118, G03B 166

Patent

active

RE0334367

ABSTRACT:
A film advancing system of a camera in which a roll of film inside a film cartridge is first wound to a spool and then the film is rewound into the cartridge one frame from another after each photographic operation is provided. The system includes a reversibly rotatable motor the drivement and rotational direction of which are automatically controlled depending upon various conditions of the camera to implement required advancement of the film.

REFERENCES:
patent: 3135182 (1984-07-01), Hintze
patent: 3917395 (1975-11-01), Ogawa
patent: 3981022 (1976-09-01), Iwashita
patent: 4003063 (1977-01-01), Takahashi et al.
patent: 4251148 (1981-02-01), Stemme et al.
patent: 4272168 (1981-06-01), Maitani et al.
patent: 4274726 (1981-06-01), Yoneyama et al.
patent: 4310233 (1982-01-01), Okuyama et al.
patent: 4342509 (1982-08-01), Wakabayashi et al.
patent: 4367026 (1983-01-01), Terada et al.
patent: 4504131 (1985-03-01), Kimura

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