Method and apparatus for magnetic recording and regeneration

Details Method and apparatus for magnetic recording and regeneration Method and apparatus for magnetic recording and regeneration

1997-02-27

1998-06-16

Metjahic, Safet

Photography

With data recording

Magnetically on film or film cassette

396311, G03B 1724

Patent

active

057686424

ABSTRACT:
At first, the film in a film cartridge is wound up. Next, the film is rewound into the film cartridge, and a perforation indicating a reference position of each frame is detected. Then, predetermined information corresponding to the detected perforation is recorded in the magnetic layer. In another embodiment, when the perforation provided closest to the forward end of the film is detected, the film is rewound a required length. Then the magnetic recording is performed after the rewinding is completed. In another embodiment, two detectors for detecting a perforation is provided. One detector is apart from the other by a multiple of a distance between frames. Every time one detector detects a perforation, magnetic recording/regenerating is carried out.

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