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Camera using film having magnetic recording portion
U.S. Patent Number: 5343264
Abstract: This invention relates to a camera using a film having a magnetic recording portion, which has magnetic heads for recording/reading data on/from a magnetic recording portion formed on part of a photosensitive film, which magnetic heads can be urged/withdrawn against/from the film. In this camera, data representing the number of times that a film feed operation or a photographic operation is performed is stored in a storage unit, and necessity to clean the magnetic heads is determined on the basis of the data. If it is determined that cleaning must be performed, a warning unit performs a warning display or inhibits a photographic operation.
Inventors: Itoh; Junichi (Tokyo, JP), Dai; Masahiro (Tokyo, JP), Watanabe; Yoji (Tokyo, JP)
Assignee: Olympus Optical Co., Ltd. (Tokyo, JP)
Application Number: 08/080,227
Issued: 1994-08-30
Expired: 2006-08-30
Classes: 396/263 ; 396/284; 396/319
Field of search: 354/76,105,106,217,218,275,471-475,289.1 360/128,137
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