Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Patent
1993-07-20
1995-01-10
Dzierzynski, Paul M.
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
369 59, 369 13, G11B 1110
Patent
active
053813960
ABSTRACT:
A process for recording information on a magneto-optical recording medium according to a (2, 7) RLL modulated signal includes a step of setting an optical power of a laser beam to a high level state in response to a logic value "1" and a step of alternately switching the optical power of the laser beam between the high level state and a low level state in correspondence to a logic value "0" except for the bit that is immediately adjacent to the bit of the logic value "1."
REFERENCES:
patent: 5144601 (1992-09-01), Maeda et al.
Maeda Miyozo
Matsumoto Koji
Namba Yoshiyuki
Shono Keiji
Tanaka Tsutomu
Dzierzynski Paul M.
Fujitsu Limited
Wong Don
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