Optics: image projectors – Selective data retrieval – Film strip
Patent
1989-11-07
1991-06-04
Cuchlinski, Jr., William A.
Optics: image projectors
Selective data retrieval
Film strip
G03B 2312
Patent
active
050209000
ABSTRACT:
A film feeding apparatus which feeds a film wound on a supply reel to a take-up means and rewinds the film on the supply reel, comprising: a driving shaft for removably receiving and holding the supply reel on which the film is wound and for rotating the reel; a driving means for rotating the driving shaft in a normal or reverse direction; a judging means for judging a rewinding direction of the film wound on the reel held by the driving shaft; and a control means for controlling the driving means to change a rotational direction of the driving shaft in response to the rewinding direction judged by the judging means, when the film is rewound.
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Higuchi Hirokazu
Okitsu Katsuhiko
Sashida Minoru
Yanagi Masaaki
Canon Kabushiki Kaisha
Cuchlinski Jr. William A.
Dowling William C.
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