G - Physics – 11 – B
Patent
G - Physics
11
B
352/32.2
G11B 7/00 (2006.01) G11B 7/0033 (2006.01) G11B 7/0037 (2006.01) G11B 7/0045 (2006.01) G11B 7/0055 (2006.01) G11B 7/24 (2006.01) G11B 11/105 (2006.01) G11B 19/00 (2006.01) G11B 19/02 (2006.01) G11B 19/20 (2006.01) G11B 23/03 (2006.01)
Patent
CA 2025724
The information processor uses a portable memory which is able to be overwritten by laser power modula- tion 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.
Andoh Hisashi
Ikuta Isao
Kato Yoshimi
Maeda Yoshihito
Minemura Hiroyuki
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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