Tracking error detecting device for disc-type video signal recor

Details Tracking error detecting device for disc-type video signal recor Tracking error detecting device for disc-type video signal recor

1983-02-16

1985-09-17

Cardillo, Jr., Raymond F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

369 43, 360 77, G11B 2110, H04N 578

Patent

active

045424152

ABSTRACT:
A tracking information detecting device for recording a video signal together with a pilot signal on one track of a magnetic disc and detecting tracking information at the time of reproduction. In this device, the pilot signal has a predetermined frequency at least ten times that of the horizontal synchronizing signal. The pilot signal is recorded in such a manner that its phase is displaced with respect to the horizontal synchronizing signal at every track. The horizontal synchronizing signal is displaced at every track at the time of reproduction of the recorded video signal, and the phase difference between the horizontal synchronizing signal and the pilot signal is detected as the tracking information.

REFERENCES:
patent: 3829892 (1974-08-01), Nagahiro et al.
patent: 4056832 (1977-11-01), de Boer et al.
patent: 4079412 (1978-03-01), Kosaka
patent: 4123788 (1978-10-01), Kruger
patent: 4213148 (1980-07-01), Clemens
patent: 4416002 (1983-11-01), Oguino et al.

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