Apparatus for recording and reproducing video signals at selecta

Details Apparatus for recording and reproducing video signals at selecta Apparatus for recording and reproducing video signals at selecta

1979-10-10

1981-10-06

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record editing

360 64, H04N 578, G11B 1544

Patent

active

042938805

ABSTRACT:
A video signal recording and reproducing apparatus comprises at least two pairs of video heads respectively mounted at different positions on diametrically opposite sides of a rotary member rotating at a predetermined speed and recording and reproducing video signals on and from parallel tracks disposed obliquely relative to the tape longitudinal direction of a tape, a switching circuit for selectively rendering at least one pair of video heads among the at least two pairs of video heads operative substantially in responsive correspondence with each of at least two recording and reproducing modes, and a tape driving system for driving the tape at different speeds in conformance with each of said recording and reproducing modes. The pairs of video heads operating in correspondence with each mode have their track widths respectively determined for forming tracks contiguously without gaps therebetween on the tape traveling at a speed conforming to the mode.

REFERENCES:
patent: 3838451 (1974-09-01), Mino
patent: 3925816 (1975-12-01), Kihara
patent: 3959819 (1976-05-01), Kubo
patent: 3968518 (1976-07-01), Kihara et al.
patent: 4035843 (1977-07-01), Tanimura
patent: 4040101 (1977-08-01), Zoellner et al.
patent: 4079426 (1978-03-01), Umeda et al.
patent: 4197562 (1980-04-01), Kikuya et al.

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