Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent
1997-09-30
1999-11-16
De Cady, Albert
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Mechanism control by the control signal
369 59, G11B 700
Patent
active
059869860
ABSTRACT:
A window signal generating circuit generates a window 1 signal in synchronization with a reference counter and generates a window 2 signal by inverting the window 1 signal. If a detected synchronizing signal detected by a synchronizing signal detecting circuit is synchronized with a window 1 signal, a resynchronizing signal output circuit outputs a resynchronizing signal in synchronization with the window 1 signal. If a window 1 signal and a synchronizing signal are not synchronous, that is, if a window 2 signal is at a high level and a synchronizing signal is detected, another reference counter is synchronized with the synchronizing signal, and if a synchronous state continues by a predetermined frequency or more, the reference counter is synchronized with the timing of another reference counter. A synchronizing signal can be promptly fetched by the above processing.
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Shigenobu Masahiro
Todo Hirofumi
Cady Albert De
Sony Corporation
Ton David
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