Data recording device capable of restarting after an...

Details Data recording device capable of restarting after an... Data recording device capable of restarting after an...

2006-09-12

2006-09-12

Dinh, Tan (Department: 2627)

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

C369S030230

Reexamination Certificate

active

07106667

ABSTRACT:
When data recording is interrupted, a location at which data have been last recorded is accurately detected and a seamless restart of the recording is achieved even if reproducing errors occur due to scratches or the like on an optical disk. A pattern data that indicates a pit pattern of data to be recorded or having been recorded is compared to a pattern data that is reproduced within a predetermined range (window) of clock cycles, and when a match is obtained, a recording restart signal is output to restart the recording operation.

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