Compact disk player

Details Compact disk player Compact disk player

1989-09-20

1992-06-16

Black, Thomas G.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 4411, G11B 700

Patent

active

051229994

ABSTRACT:
A compact disk player for playing back data recorded on a compact disk. The compact disk has a surface on which a lead-in area, a program area and a lead-out area are distinctly provided. The program area contains data to be played back to which an address is allocated. The compact disk player includes a pickup and a servo mechanism for controlling the position of the pickup. The compact disk player further includes a controller for servo-locking the pickup to a position where the reading of the data contained in the program area is interrupted and controlling the servo mechanism so that the pickup is positioned in a predetermined position allocated with a predetermined address for the sake of subsequent resumption of the data reading if an address of the servo-locked position is outside the program area.

REFERENCES:
patent: 4623993 (1986-11-01), Schlosser
patent: 4701897 (1987-10-01), Nakagawa
patent: 4841505 (1989-06-01), Aoyagi

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