Information processor and disk memory used in the same

Details Information processor and disk memory used in the same Information processor and disk memory used in the same

1991-08-05

1993-12-28

Pascal, Robert J.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

3692755, 369291, G11B 1304

Patent

active

052746127

ABSTRACT:
The information processor uses a portable memory which is able to be overwritten by laser power modulation system. The memory includes a disk type recording medium incorporated rotatably in 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 this case.

REFERENCES:
patent: 4433410 (1984-02-01), Siryj et al.
patent: 4592042 (1986-05-01), Lemelson
patent: 5077726 (1991-12-01), Dodds et al.
"Prototype Magneto-Optical Disk Drive", Uber et al, SPIE vol. 899, Optical Storage Technology and Applications, 1988, pp. 34-38.
"Web-Based Optical Disk Assemblies", Wheeler, et al., Proceedings of SPIE-The International Society for Optical Engineering, vol. 420, 1983, pp. 39-52.

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