Autotracking for a helical scan magnetic tape recorder

Details Autotracking for a helical scan magnetic tape recorder Autotracking for a helical scan magnetic tape recorder

1992-02-14

1994-02-22

Koczo, Michael

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7312, H04N 5795

Patent

active

052893235

ABSTRACT:
In a helical scan magnetic tape recorder, a rotary magnetic head scanner includes odd and even azimuth data reproduce heads and odd and even azimuth sense heads on the head wheel to effect automatic tracking. The odd and even azimuth sense heads establish a tracking error signal when reproduced signal envelopes are not equal. The error signal is used to control a capstan servo to maintain correct data head-to-track positioning.

REFERENCES:
patent: 4120008 (1978-10-01), Metzger et al.
patent: 4163262 (1979-07-01), Kaemmerer
patent: 4348699 (1982-09-01), Tsuchiya et al.
patent: 4581662 (1986-04-01), Sato
patent: 4647992 (1987-03-01), Vinal
patent: 4905093 (1990-02-01), Satoh
patent: 5182681 (1993-01-01), Yamazaki

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