Camera with film sensor for closing cassette when filmstrip woun

Details Camera with film sensor for closing cassette when filmstrip woun Camera with film sensor for closing cassette when filmstrip woun

1995-03-21

1997-02-11

Gray, David M.

Photography

Having camera indicator

Film condition indicator

396513, 396538, G03B 100

Patent

active

056026099

ABSTRACT:
A camera for use with a film cassette having a light lock to be closed when a filmstrip is wound completely into the cassette and to be open when the filmstrip is outside the cassette, is characterized in that a closing part biased to close the light lock is supported for movement to be positioned against the filmstrip to be restrained by the filmstrip from closing the light lock when the filmstrip is outside the cassette and to be positioned across a particular space formerly occupied by the filmstrip to close the light lock when the filmstrip is wound completely into the cassette.

REFERENCES:
patent: 3651747 (1972-03-01), Kimura
patent: 5083721 (1992-01-01), Okutsu et al.
patent: 5231438 (1993-07-01), Smart
patent: 5319406 (1994-06-01), Takatori
patent: 5363166 (1994-11-01), Takahashi et al.

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