Information recording apparatus and optimum recording laser...

Details Information recording apparatus and optimum recording laser... Information recording apparatus and optimum recording laser...

2007-09-18

2007-09-18

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

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

Mechanism control by the control signal

C369S047530, C369S047540

Reexamination Certificate

active

10914307

ABSTRACT:
An information recording apparatus records the record data onto an information recording medium, which is provided with wobbled tracks and on which pre-format address information is recorded. The information recording apparatus is provided with: an optical pickup; a detector for detecting a push-pull signal on the basis of an output of the optical pickup; a timing generator for generating a timing signal by detecting the pre-format address information and by detecting a slot unit smaller than a data management unit of the pre-format address information on the basis of a cycle of the push-pull signal; and a system controller for detecting an optimum recording laser power by recording or reproducing a test signal on the tracks while changing a recording laser power on the basis of the timing signal.

REFERENCES:
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patent: 2002-74667 (2002-03-01), None
patent: 2002-352517 (2002-12-01), None

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