Optical information recording apparatus

Details Optical information recording apparatus Optical information recording apparatus

1988-02-19

1990-06-26

Stephan, Steven L.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369106, G11B 700

Patent

active

049378090

ABSTRACT:
An optical recording apparatus of the type employing a read/write laser adapts the recording light beam to various linear speeds of the recording disk by jointly controlling both the beam power and the duty ratio of the recording signal in accordance with the radial position of the beam spot on the disk.

REFERENCES:
patent: 4419750 (1983-12-01), Howe
patent: 4577329 (1986-03-01), Yoshikawa et al.

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