Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent
1985-07-22
1988-01-12
Richardson, Robert L.
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Mechanism control by the control signal
369 33, G11B 700
Patent
active
047196114
ABSTRACT:
A control circuit for an optical information recording apparatus having a recording device for optically recording information on a recording track of a recording medium, a recording positioning detection device detects the recording start position mark cut on the recording track when a recording start is commanded. Then, recording is started and continued for a predetermined number of tracks. When it is desired to interrupt the recording in mid course, a recording interruption is commanded and the recording is interrupted only when the first recording start position marks after the recording interruption command, has been detected.
REFERENCES:
patent: 4460931 (1984-07-01), Takeuchi
patent: 4573084 (1986-02-01), Iida
patent: 4641294 (1987-02-01), Yoshimaru
Miura Yoshio
Suzuki Motoyuki
Hitachi , Ltd.
Richardson Robert L.
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