Apparatus for recording information in and/or reproducing...

Details Apparatus for recording information in and/or reproducing... Apparatus for recording information in and/or reproducing...

2006-12-12

2006-12-12

Dinh, Tan (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Electrical track structure

C369S013380, C369S126000

Reexamination Certificate

active

07149180

ABSTRACT:
A dielectric recording medium in a disc form is provided with: a center hole; an inner area; a recording area; and an outer area, arranged concentrically from the inside in this order. The inner area, the recording area, and the outer area contain a uniform and flat dielectric material and are polarized with the polarization direction of the recording area opposite to that of the inner area and the outer area in their initial condition. The recording area in which data is recorded has tracks and spaces, each of which is between two of the tracks, and is provided with areas in which control information about the recording/reproducing is recorded, in the track and the space.

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