Information recording carrier

Dynamic information storage or retrieval – Storage medium structure – Optical track structure

Reexamination Certificate

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C369S275100, C369S275200

Reexamination Certificate

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10251791

ABSTRACT:
Plural grooves or lands formed in an information recording carrier include at least a wobbling region and data is recorded wobblingly in this wobbling region by phase shift modulation while recorded digitally with a single or multiple waves as a channel bit.

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Nikkei Electronics, “Groove Recording,”Nikkei Business Publications, No. 796, pp. 51-52, Fig. 2, (May 21, 2001).

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