Track position correction for a helical scan magnetic playback

Details Track position correction for a helical scan magnetic playback Track position correction for a helical scan magnetic playback

1986-04-17

1988-01-12

Richardson, Robert L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 102, G11B 558

Patent

active

047195258

ABSTRACT:
A control circuit for a helical scan playback, in which a rotary head is moved transversely by a varying amount. The transverse movement can be either a multi-valued tracking position error correction signal or a saw-tooth waveform, effective during a location data strip, for compensating for the fast movement of the tape during a scan operation.

REFERENCES:
patent: 4438463 (1984-03-01), Sakamoto
patent: 4451860 (1984-05-01), Honjo et al.
patent: 4539604 (1985-09-01), Namiki
patent: 4550351 (1985-10-01), Hamalainen
patent: 4587580 (1986-05-01), Takayama et al.
patent: 4590523 (1986-05-01), Honjo et al.

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