Optical reproducing method for optical medium with aligned...

Details Optical reproducing method for optical medium with aligned... Optical reproducing method for optical medium with aligned...

2006-07-04

2006-07-04

Neyzari, Ali (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S275400

Reexamination Certificate

active

07072277

ABSTRACT:
A recording method for an optical recording medium having grooves and lands alternately provided in a radial direction and information recording areas formed thereon, and at least one prepit region where a groove is not formed. In the prepit region, first and second information marks are disposed on a virtual extension of respectively a first boundary between one groove and one adjacent land and a second boundary between the one groove and an other adjacent land with the first and second information marks being disposed so as not to exist at opposing positions on both of the first and second boundaries of the one groove. The first and second information marks include synchronous information and address information and the prepit region includes a gap between the first and second information marks. The method includes providing the optical medium, and recording information by irradiating an optical spot on the optical medium.

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