Magnetic recording system for camera using film with magnetic re

Details Magnetic recording system for camera using film with magnetic re Magnetic recording system for camera using film with magnetic re

1993-06-22

1994-08-02

Gellner, Michael L.

354214, G03B 1724, G03B 100

Patent

active

053350294

ABSTRACT:
In a magnetic recording apparatus for a camera using a film having a magnetic recording portion, a magnetic recording device records photographic data on the magnetic recording portion while the film is wound after a photographic operation corresponding to one frame is completed. An electrically erasable nonvolatile storage device stores the photographic data after the photographic operation corresponding to one frame is completed. A magnetic reproducing device reproduces the photographic data recorded on the magnetic recording portion while the film is rewound. A determining device determines whether the photographic data reproduced by the magnetic reproducing device coincides with the photographic data stored in the storage device. When the determining device determines that the two photographic data do not coincide with each other, a re-recording device causes the magnetic recording device to re-record the photographic data stored in the storage device on the magnetic recording portion. An erasing device erases the magnetically recorded data when the determining device determines that the two photographic data do not coincide with each other.

REFERENCES:
patent: 5130728 (1992-07-01), Goto et al.
patent: 5184161 (1993-02-01), Egawa
patent: 5187511 (1993-02-01), Amano
patent: 5204708 (1993-04-01), Whitfield et al.
patent: 5220367 (1993-06-01), Matsuyama

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