Method of recording optical information with selective correctio

Details Method of recording optical information with selective correctio Method of recording optical information with selective correctio

1993-03-23

1995-05-02

Epps, Georgia Y.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369100, G11B 1100, G11B 700

Patent

active

054126266

ABSTRACT:
In a method of recording optical information, one of correcting ways for correcting the pulse waveform of the input signal to be recorded is selected depending on change in relative velocity between the optical information recording medium and the laser beam spot; and thereafter the laser beam output power is modulated in a range between an erasing level and a recording level in accordance with the corrected pulse waveform of the modulated input signal. Then a digital input signal corrected by modulation in pulse width is overwritten onto an optical information recording medium with a single laser beam spot by forming recording marks corresponding to the input pulse signal.

REFERENCES:
patent: 5003527 (1991-03-01), Matsumoto et al.
patent: 5109373 (1992-04-01), Ohno et al.

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