Geometry for optical data storage

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Electrical modification or sensing of storage medium

Reexamination Certificate

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C369S112240, C369S100000

Reexamination Certificate

active

07016292

ABSTRACT:
An optical data storage device includes an optically readable disk that has a body extending in a radial direction from a central axis. The body has a side and an elongated portion that extends along the side. The elongated portion includes a first side surface and a second side surface. A plurality of optically readable discontinuities may be located on each of the first side surface and the second side surface of the elongated portion.

REFERENCES:
patent: 4310916 (1982-01-01), Dil
patent: 4674070 (1987-06-01), Tajima et al.
patent: 5894465 (1999-04-01), Ja
patent: 6111827 (2000-08-01), Miike
Professor Kelin J. Kuhn, “Audio Compact Disk—An Introduction” EE 498, http://www.ee.washington.edu/conselec/CE/kuhn/cdaudio/95×6.htm, May 16, 2003.

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