G - Physics – 11 – B
Patent
G - Physics
11
B
352/21.3
G11B 5/56 (2006.01) G11B 5/592 (2006.01) G11B 21/10 (2006.01)
Patent
CA 1241439
ABSTRACT OF THE DISCLOSURE 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° 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.
502502
Kori Teruhiko
Yamazaki Minoru
Gowling Lafleur Henderson Llp
Sony Corporation
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