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

07072278

ABSTRACT:
A recording apparatus for recording information to an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction and arranged on a boundary line of the respective tracks. The first and second prepit portions each have address information prepits arranged at every two-track pitch in the radial direction, and the address information prepit of the first and second prepit portions are arranged with one track displaced in the radial direction. A gap portion lies between first and second prepit portions. 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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