Method for accessing a control track by positioning an optical h

Details Method for accessing a control track by positioning an optical h Method for accessing a control track by positioning an optical h

1990-09-17

1991-10-15

Richardson, Robert L.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 58, G11B 700

Patent

active

050580922

ABSTRACT:
An optical head is first positioned at an initial position and is then moved along a radius of an optical disk. The optical head is moved by a predetermined distance corresponding to a distance from the initial position to a center of width of the control track. The optical head is stopped accurately at the center of the control track.

REFERENCES:
patent: 4106058 (1978-08-01), Romeas et al.
patent: 4498146 (1985-02-01), Martinez
patent: 4769802 (1988-09-01), Tatsuguchi
patent: 4835757 (1989-05-01), Abiko
ISO 5" Write Once Optical Disk Standard, ISO/TC97 SC23N/79, 1987.
West German Patent Office Action, dated Apr. 13, 1989, and an English Translation.
Videodisc Systems Theory & Applications, Prentice-Hall, Inc., Mar. 23, 1987, Jordan Isailovic, pp. 210-213.

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