Camera capable of reading film information

Details Camera capable of reading film information Camera capable of reading film information

1995-06-07

1996-09-03

Hayes, Monroe H.

354275, G03B 700

Patent

active

055528430

ABSTRACT:
The present invention is applicable to a camera capable of reading in film specific information recorded by means of a bar code. This film specific information is inscribed upon a display portion which rotates together with the forwarding of a film stored within a cartridge. The camera includes: a photointerruptor which optically reads the bar code on the bar code display portion as the bar code display portion rotates together with the forwarding of the film, and which outputs as an electrical signal of the result thus read; a comparator which compares the output signal from the photointerruptor with a threshold level; a calculation device for calculating a standard value for setting the threshold level based upon the output signal from the photointerruptor; a reference value control device which controls the threshold level according to the standard value; and a determination device which determines the film specific information based upon the output of the comparator.

REFERENCES:
patent: 5025274 (1991-06-01), Pagano
patent: 5032854 (1991-07-01), Smart et al.
patent: 5258789 (1993-11-01), Labaziewicz
patent: 5321455 (1994-06-01), Cocca

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