Optical disk memory and information processing apparatus

Details Optical disk memory and information processing apparatus Optical disk memory and information processing apparatus

1991-09-05

1995-12-12

Epps, Georgia Y.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369 14, 369273, G11B 700

Patent

active

054756561

ABSTRACT:
The information processor uses a portable memory formed on a transparent substrate which is able to be overwritten by laser power modulation system. The memory includes a disk type recording medium rotatably incorporated within a thin case, and carries out write/read/erase by means of a first magnetic field application device, a second magnetic field application device, and an optical head radiating light through the case which has at least a transparent light-incident portion. The case includes therein a rotation means for rotating the recording medium within the case, thereby enabling even further reduction in size of the information processor.

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Wheeler J. W. "Web-based optical disk assemblies," proceeding of SPIE, pp. 39-52, vol. 420, 1983.
Uber, R. E. and M. H. Kryder, "Prototype Magneto-Optical Disk Drive," Proceedings of SPIE, pp. 34-38, vol. 899, 1988.

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