Tracking apparatus for a magnetic recording and playback apparat

Details Tracking apparatus for a magnetic recording and playback apparat Tracking apparatus for a magnetic recording and playback apparat

1989-12-22

1992-08-11

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 5592

Patent

active

051385058

ABSTRACT:
A tracking apparatus for a magnetic recording and playback device of a helical scan system including at least one audio head and at least one video head provided on a rotating cylinder for enabling recording and playback of an audio signal and a video signal onto and from a magnetic tape which is driven by a capstan motor. The tracking apparatus includes a tracker for detecting an audio tracking error of the audio head for an audio track of the magnetic tape and for generating a tracking compensation signal corresponding to the amount of audio tracking error, and a controller responsive to the tracking compensation signal for controlling the rotary phase of the capstan motor in accordance therewith so that the audio head correctly tracks the audio track of the magnetic tape and is controlled independently of control of the video head for video tracking error.

REFERENCES:
patent: 4882635 (1989-11-01), Sanai

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