Tracking control system using intermittently recorded pilot sign

Details Tracking control system using intermittently recorded pilot sign Tracking control system using intermittently recorded pilot sign

1981-09-10

1985-10-01

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 27, 360 77, 369 43, G11B 2110, G11B 2102

Patent

active

045449660

ABSTRACT:
A control signal recording and reproducing system for exactly tracking a record track in a helical scan type VTR or the like is disclosed.
Intermittent pilot signals are recorded with the frequency spectra thereof being interleaved between adjacent tracks. In a reproducing operation, the main track pilot signals and the adjacent track pilot signals are separated by a comb type filter, and using a time position of the main pilot signals as a reference, the adjacent track pilot signals are separated in time to the front adjacent track pilot signal and the rear adjacent track pilot signal to detect the direction of a tracking error.

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patent: 4297733 (1981-10-01), Sanderson
patent: 4303953 (1981-12-01), Sanderson
Matsushita Denki Sangyo K.K., "Magnetic Reproducer", Apr. 14, 1979, p. 14E104, JP No. 54 21809.
Neues aus der Technik, vol. 1978, No. 6, Dec. 1978, Wurzburg (DE), "Spurfolgesystem".
Funkschau, vol. 51, No. 16, Aug. 1979, Munich (DE), "Video 2000--ein neues Bildaufzeichnungssystem", pp. 72-76.
Sony K.K., "Recorder-Reproducer for Picture Signal", May 24, 1978, p. 2366E78, JP No. 43 33108.
Nippon Victor K.K., "Tracking Control System in Information Signal Recorder-Reproducer", p. 107E151, JP No. 54 115114.
Matsushita Denki Sangyo K.K., "Tracking Control Device of Magnetic Picture Recording Reproducer", p. 77E127, JP No. 54 686614.

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