Magnetic reproducing apparatus

Details Magnetic reproducing apparatus Magnetic reproducing apparatus

1983-08-22

1986-11-18

Faber, Alan

Dynamic magnetic information storage or retrieval

Record editing

360 64, 360 362, 358312, 358339, H04N 5783, H04N 595

Patent

active

046239405

ABSTRACT:
A magnetic reproducing apparatus which has a pair of main rotatable heads having different azimuth angles and a pair of auxiliary rotatable heads having different azimuth angles. When a magnetic tape is played back while it runs at a speed different from that at which it runs during a recording mode, playback output signals from the main and auxiliary rotatable heads are switched over to replace a reduction in the outputs from the main rotatable heads with the outputs from the auxiliary rotatable heads to produce a combined playback output signal. The combined playback output signal is passed through a variable delay line having a delay time varied by an output from a detector circuit which detects variations in horizontal synchronous signal intervals of the combined playback output signal. This varied delay time of the variable delay line can eliminate any skew distortions which would appear on a displayed image on the screen due to the variations in horizontal synchronous signal intervals of the combined playback output signal.

REFERENCES:
patent: 3763317 (1973-10-01), Coleman
patent: 4074307 (1978-02-01), Dischert
patent: 4118738 (1978-10-01), Ornstein
patent: 4197562 (1980-04-01), Kikuya et al.
patent: 4228460 (1980-10-01), Rotter
patent: 4291344 (1981-09-01), Kimura
patent: 4313129 (1982-01-01), Fukui
patent: 4426666 (1984-01-01), Kobayashi
patent: 4456932 (1984-06-01), Honjo

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