Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent
1994-12-13
1997-02-18
Nelms, David C.
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
341 50, 341 51, 360 40, 360 49, 369 59, G11B 509
Patent
active
056047258
ABSTRACT:
A coding method for an information recording/reproduction apparatus and a recording medium, comprising the step of setting a second code bit of a second track adjacent to a first code bit of a first track in the direction perpendicular to a track to "0" or "nonmark" when the first code bit of the first track is "1" or "record mark.", wherein a first coding rule for obtaining a first code bit on an odd track and a second coding rule for obtaining a second code bit on an even track are used and a second bit adjacent to a first bit in the direction perpendicular to a track is set to "0" or "nonmark" by the second coding rule when the first code bit is "1" or "record mark".
REFERENCES:
patent: 5274510 (1993-12-01), Sugita
patent: 5333126 (1994-07-01), Fukuda
patent: 5418657 (1995-05-01), Machado
patent: 5473591 (1995-12-01), Abe
Mai Son
Nelms David C.
Sharp Kabushiki Kaisha
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