Dynamic magnetic information storage or retrieval – Record editing
Patent
1983-12-21
1985-08-13
Faber, Alan
Dynamic magnetic information storage or retrieval
Record editing
360 103, 360 21, 360 84, 360 73, H04N 5783
Patent
active
045353670
ABSTRACT:
A reproduction device for a helical scanning type video tape recorder with a head section comprises upper and lower immovable cylinders and a head drum rotatably set between the cylinders. A magnetic tape slides along the peripheral surface of the head section. The head drum is rotated by a head drive section at a prescribed speed. The running speed of the magnetic tape is controlled by a capstan, which is mechanically connected to a capstan device section. Two exclusive special reproduction heads are mounted on the peripheral surface of the head drum. The special reproduction heads are mounted on the peripheral surface at different heights as viewed from the direction in which the rotary shaft of the head drum extends. The height difference is chosen to be smaller than the pitch of the respective adjacent tracks formed on the magnetic tape in accordance with the azimuth recording process.
REFERENCES:
patent: 3678186 (1972-07-01), Narita
patent: 4197562 (1980-04-01), Kikuya et al.
patent: 4241365 (1980-12-01), Koda
patent: 4246616 (1981-01-01), Hiraguri
patent: 4307417 (1981-12-01), Tokuyama
patent: 4317140 (1982-02-01), Warren
patent: 4328518 (1982-05-01), Kawata
Faber Alan
Tokyo Shibaura Denki Kabushiki Kaisha
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