VTR Tape drive system

Details VTR Tape drive system VTR Tape drive system

1978-06-12

1980-07-08

Moffitt, James W.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 70, 318696, G11B 1518

Patent

active

042120390

ABSTRACT:
The present invention is a novel tape drive system in a magnetic recording and reproducing device for recording a video signal intermittently by a rotary magnetic head and recording an audio signal continuously over a wide range of predetermined tape speeds. In a high speed range a conventional brushless DC motor drives the tape. In a low speed range the same motor is driven by additional pulses. The lowest speed in the high speed range is higher than the highest speed in the low speed range.

REFERENCES:
patent: 3510577 (1970-05-01), Amass
patent: 3588334 (1971-06-01), Camras
patent: 3636252 (1972-01-01), Kowal
patent: 3668492 (1972-06-01), Konishi
patent: 3777063 (1973-12-01), Meacham
patent: 3826966 (1974-07-01), Nagasaka
patent: 3849795 (1974-11-01), Koda
patent: 3931639 (1976-01-01), Arter
patent: 3959818 (1976-05-01), Iketaki
patent: 3967179 (1976-06-01), Loyzim
patent: 3978521 (1976-08-01), Langer
patent: 4001885 (1977-01-01), Ikushima
"Circuits, Devices and Systems", by R. J. Smith, .COPYRGT.1966, John Wiley and Sons, Inc., pp. 558-561.

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