Data recording and playback apparatus using a helical scan syste

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head

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360 7713, G11B 5584

Patent

active

057371466

ABSTRACT:
Recording areas for tracking on which specific servo patterns are recorded are provided preceding data tracks on which data is to be recorded on a recording tape scanned by a helical scan system. The data tracks and recording areas for tracking are recorded at different azimuths. At the time of a playback operation, etc., the specific patterns in the recording areas for tracking are played back by the helical scan system and tracking is performed by using the playback timing.

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K. Inagaki, "Design Considerations for the D-2 NTSC Composite DVTR", ITEJ Technical Report, vol. 11, No. 24, pp. 13-18, VR '87-30 (Oct. 1987) (in Japanese).

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