Dynamic magnetic information storage or retrieval – Record editing
Patent
1979-03-27
1982-12-28
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
Record editing
360 22, 360 27, 360 331, 360 741, G11B 2110, G11B 502, H04N 578, G11B 1548
Patent
active
043665101
ABSTRACT:
A magnetic recording and reproducing device including two video tape recording and reproducing portions each of which have tape systems including supply reels, rotatable head drum assemblies, a tape drive capstan, a take-up reel, and wherein said tapes can be driven in either the forward or reverse directions and normally are driven intermittently and alternately in the forward direction and subsequently alternately and intermittently in the reverse direction with means for providing a longitudinal control signal on said tapes in both the forward and reverse directions as well as means for recording slant video tracks alternately on the tapes during a time when a particular tape is stopped and with adjacent slant tracks on one tape being the odd fields, and the adjacent slant tracks on the other tape being even fields, and wherein between each recording in one direction is spaced a sufficient distance apart from the next recording so that intermittent recording can be placed therebetween when the direction of the tapes are reversed, and wherein the control tracks provide for synchronization of various functions of the machine.
REFERENCES:
patent: 3315031 (1967-04-01), Kadak
patent: 3639688 (1972-02-01), Nelson
patent: 3789138 (1974-01-01), Terada
patent: 3968518 (1976-07-01), Kihara et al.
patent: 4035843 (1977-07-01), Tanimura
patent: 4120007 (1978-10-01), Sato
patent: 4143405 (1979-03-01), Kubota
Hayashi Hiroyuki
Watanabe Yuji
Psitos Aristotelis M.
Sony Corporation
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