Patent ID: 6055382
Filing Date: 2000-04-25
Classification: G03B

Abstract:
An apparatus employing a film wherein predetermined data is recorded magnetically on a predetermined recording section arranged correspondingly on photographing frames of the film in response to photographing, comprising:a reader which reads a kind of film which is loaded in the apparatus;a magnetic head for detecting a magnetic signal recorded on the film;a feeder which feeds a film for the magnetic head;a magnetic signal reader which reads out and amplifies the signal output from the magnetic head; and,a controller which controls a comparing operation between an output from the magnetic signal reader and a predetermined threshold value, a judging operation which judges whether a magnetic signal is recorded or not on a film based on a result of a comparison performed in a first or second judgement procedures, and a selecting operation which selects the first judgement procedure or the second judgement procedure in response to a kind of a film.