Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Patent
1994-05-17
1997-06-24
Dinh, Tan
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Radiation beam modification of or by storage medium
386126, G11B 700, H04N 576
Patent
active
056423454
ABSTRACT:
A recording apparatus includes a recording medium, a frequency modulator for conducting frequency modulation on a digital-modulated signal to generate a recording signal, and a recording unit for recording the recording signal on the recording medium.
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I. Kuroyanagi, editor, Digital Communication Circuit, pp. 246-248, published in 1990 by Sangyo Tosho (in Japanese), no month available.
Satoh, et al., Signal Characteristics of High Definition Video Discs, 1990, vol. 44, No. 10, pp. 1376-1382.
Kurebayashi Masaaki
Miyamoto Makoto
Noro Yoshihiko
Suzuki Naomi
Tokushuku Nobuhiro
Dinh Tan
Hitachi , Ltd.
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