Phase compensation apparatus for an optical information recordin

Details Phase compensation apparatus for an optical information recordin Phase compensation apparatus for an optical information recordin

1985-01-18

1987-12-01

McElheny, Jr., Donald

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

369 49, G11B 700

Patent

active

047109092

ABSTRACT:
An optical system for recording and reproducing optical information. A line of synchronization pits for tracking and an information recording area are disposed alternately in advance. At the time of recording, a tracking signal is detected from the line of synchronization pits and while tracking in the information recording area by utilizing this signal, the information signal is recorded in the information recording area. Tracking control in tracking in the information recording area is stabilized by holding the tracking signal which is detected from the synchronization signal and by compensating for an electrical phase delay caused by the holding.

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