Recording apparatus for video signal

Details Recording apparatus for video signal Recording apparatus for video signal

1986-02-25

1987-06-30

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 556

Patent

active

046775048

ABSTRACT:
A recording apparatus for a video signal in which first and second heads for recording and reproducing are attached through electrostrictive elements to a rotary drum with an angular spacing of substantially 180.degree. therebetween. When a video signal is recorded, a pilot signal recorded by the first head over a predetermined interval is reproduced by the second head while a pilot signal recorded by the second head and spaced apart by a predetermined number of recording tracks is reproduced by the first head. Reproduced levels of the pilot signals are compared so as to control a drive voltage for the electrostrictive elements and thus to adjust a step difference between the first and second heads in the recording mode.

REFERENCES:
patent: 4597023 (1986-06-01), Rijckaert

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