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

07072279

ABSTRACT:
A recording apparatus for recording information to an optical recording medium having grooves and lands alternately provided in a radial direction, information recording areas being formed in both of the grooves and the lands, and at least one prepit region where no grooves is 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 a second boundary between the one groove and an other adjacent land, 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 apparatus includes an irradiation source for irradiating a light spot on the optical recording medium, and a controller for controlling an irradiation position of an optical spot from the irradiation source.

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