Photographic system accessory for small format film sheets

Details Photographic system accessory for small format film sheets Photographic system accessory for small format film sheets

1978-05-02

1980-10-14

Hix, L. T.

354159, 354210, 354212, 354276, G03B 1702, G03B 1726, G03B 1752, G03B 1906

Patent

active

042277892

ABSTRACT:
An accessory for use in an instant camera designed for standard film packs and by which the same camera can be used to expose and process self-processing film sheet assemblies of reduced image format size prepackaged in corresponding sized film packs. The accessory is in the nature of a U-shaped housing having exterior planar dimensions to complement the interior planar dimensions of a well in the camera for receiving a standard film pack. The U-shaped configuration of the housing defines a recess to receive and position the modified film pack of reduced size. The accessory carries movement transmitting relays by which actuation of a camera mounted switch is energized by insertion of the modified film pack and by which movement of a camera carried pick is transmitted to an accessory pick for initial ejecting movement of an exposed film sheet from the modified pack. The accessory pick is actuated preferably by a camera pick movement amplifier to accommodate the reduced exterior dimensions of the reduced format film sheet. Also, a viewfinder mask is provided as an adjunct to the accessory so that a viewed image will be collated with the reduced image format of film sheets in the modified film pack.

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patent: 3936850 (1976-02-01), Goto
patent: 4068244 (1978-01-01), Douglas

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