Recording medium and recording and reproducing apparatus employi

Details Recording medium and recording and reproducing apparatus employi Recording medium and recording and reproducing apparatus employi

1989-06-19

1993-02-09

Psitos, Aristotelis

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

3692753, 3692754, G11B 700

Patent

active

051857324

ABSTRACT:
According to the invention, control data of a predetermined number of bits are pre-recorded on the recording track of a recording medium in the form of burst-like changes of the recording track's width to provide for recording control and reproducing control based on the control data.

REFERENCES:
patent: 3962720 (1976-06-01), Braat
patent: 4523304 (1985-06-01), Satoh et al.
patent: 4691310 (1987-09-01), Wine
Patent Abstracts of Japan, vol. 12, No. 240, [P-727][3087], Jul. 8, 1988.
Patent Abstracts of Japan, vol. 8, No. 92, [P-271][1529], Apr. 27, 1984.
JP-A-59 005449 (Matsushita Denki Sangyo K.K.), Jan. 12, 1984.
Patent Abstracts of Japan, vol. 11, No. 230 [P-599][2677], Jul. 28, 1987.
Patent Abstracts of Japan, vol. 13, No. 50 [P-823][3398], Feb. 6, 1989.

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