Dynamic magnetic information storage or retrieval – Record editing
Patent
1981-09-23
1984-08-21
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
Record editing
360 141, G11B 2702
Patent
active
044673701
ABSTRACT:
A PCM recorder includes an A/D converter for converting an analog signal to a digital signal, an interleave unit for pseudo-randomizing the digital signal by rearranging on time base, a video tape recorder for recording the pseudo-randomized digital signal on a video tape, and a control circuit for controlling the interleave unit and the video tape recorder in a synchronized manner. Since the video tape recorder and the interleave unit are synchronously controlled, discontinuity of data at the joint of recording can be prevented even if recording is paused and restarted.
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patent: 4121262 (1978-10-01), Ushio et al.
patent: 4204227 (1980-05-01), Gurley
patent: 4303988 (1981-12-01), Tsaboka et al.
patent: 4327382 (1982-04-01), Tanaka
patent: 4345272 (1982-08-01), Shirota
patent: 4363049 (1982-12-01), Ohtsuki et al.
patent: 4392162 (1983-07-01), Yamamoto
Popular Electronics: Sep. 1979, pp. 39-44, Rodgers et al., "A Close Look at Digital Audio".
"The Use of Microcomputers and Microprocessors in Modern VTR Control", Geise SMPTE, Dec. 1979, vol. 88.
"Distributed Processing in Editing Systems", Geise, Bosch, Techn. Berichte, May 25, 1979.
Hoshino Takashi
Tanaka Hiromichi
Hitachi , Ltd.
Psitos Aristotelis M.
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