Lens-fitted film unit having a shutter mechanism adapted for dat

Details Lens-fitted film unit having a shutter mechanism adapted for dat Lens-fitted film unit having a shutter mechanism adapted for dat

1997-07-09

1999-11-02

Metjahic, Safet

Photography

With data recording

Optical

396471, G03B 910, G03B 1724

Patent

active

059786086

ABSTRACT:
A lens-fitted film unit has a date recording module which is disposed between an exposure unit and a front cover to project a calendar date onto the front emulsion layer of a film. The front cover is formed with an elevated platform which spatially encircle at least a taking lens, a lighting window and the date recording module as viewed from the front side of the film unit. The date recording module has a module base plate, a transmission type of liquid crystal display is mounted on the module base plate so as to position behind the lighting window formed in the front cover, and a battery attached to the back of the module base plate so as to position within a shadow of the module base plate. A single shutter blade is adapted to control light passage for both image formation and data recordation. Alternatively, two shutter blades are used which interact in a controlled manner.

REFERENCES:
patent: 4001850 (1977-01-01), Fujita
patent: 4165932 (1979-08-01), Asano et al.
patent: 5339125 (1994-08-01), Fridman et al.
patent: 5721993 (1998-02-01), Ito et al.

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