Optical disc recording method and apparatus, optical disc,...

Details Optical disc recording method and apparatus, optical disc,... Optical disc recording method and apparatus, optical disc,...

2005-12-27

2005-12-27

Huber, Paul W. (Department: 2653)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S047280

Reexamination Certificate

active

06980494

ABSTRACT:
An optical disc recording method, an optical disc recording apparatus, and an optical disc in which performances of the optical disc is maintained over a long period of time without generating abrupt changes in wobbling curve of grooves of the optical disc. A phase modulation signal S4is generated with abrupt changes in the waveform thereof at a phase transition point p being removed in accordance with a channel bit signal S3including address signal, and the groove is made wobble in accordance with said phase modulation signal S4.

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