Apparatus provided with a film frame judgement device

Details Apparatus provided with a film frame judgement device Apparatus provided with a film frame judgement device

1998-03-26

1998-11-17

Perkey, W. B.

Photography

With data recording

Magnetically on film or film cassette

360 1, 360 25, G03B 1724, G11B 500

Patent

active

058390081

ABSTRACT:
A camera includes a feeder for feeding a film having magnetic recording portions, a reader for magnetically scanning magnetic recording portions to generate scan signals, and a judger for judging whether or not a magnetic recording portion has been recorded with magnetic data by comparing scan signals with a threshold value, and a warning device for generating a warning when judgment of the judger is impossible. This apparatus can ensure more accurate judgment as to whether a signal picked up from each recording portion is a magnetic signal.

REFERENCES:
patent: 5598236 (1997-01-01), Ueda et al.
patent: 5727240 (1998-03-01), Mizumoto et al.

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