Information recording/reproducing apparatus and information...

Details Information recording/reproducing apparatus and information... Information recording/reproducing apparatus and information...

2008-07-29

2008-07-29

Patel, Gautam R (Department: 2627)

Dynamic information storage or retrieval

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

Control of information signal processing channel

C369S059230

Reexamination Certificate

active

10701080

ABSTRACT:
An information recording/reproducing apparatus and information reproducing method records information data, regardless of an external disturbance. According to a demodulated timing pulse, a synchronization signal and address data representative of an address is demodulated from a readout signal. An error correction process carried out on the address data obtains corrected address data. A determination is made if the corrected address data is a correct address. When the synchronization signal has a period equal to a predetermined period, a synchronization process is executed to place the demodulated timing pulse in synchronism with the synchronization signal, wherein, when the corrected address data is determined as a correct address, then the re-synchronization process is put into stand-by until the corrected address data is determined as an incorrect address. When the synchronization signal is temporarily influenced by an external disturbance, information data recording is completed without a re-synchronization process and interrupting recording operation.

REFERENCES:
patent: 6172952 (2001-01-01), Inokuchi et al.
patent: 6459667 (2002-10-01), Iijima et al.
patent: 6522831 (2003-02-01), Tanaka et al.
patent: 6577569 (2003-06-01), Yamamoto et al.

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