Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1997-12-23
2000-06-27
Burgess, Glenton B.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 7706, 360 7712, 360119, G11B 558
Patent
active
060814012
ABSTRACT:
A read/write magnetic head includes a step offset formed in the gap of the head which accordingly generates recorded transitions in a recording medium which also contain a step offset in each successively recorded transition along the length of a track. On subsequent playback of the track by the same or similar step gap head, fine transverse mistracking of the head as it follows the track results in a corresponding echo signal being generated along with the main readout signal. The amplitude of the echo signal is indicative of the degree of fine mistracking while the location of the echo signal relative to the main signal is indicative of the direction of mistracking. Fine mistracking correction is provided by circuits which detect the amount and direction of mistracking and supply an error signal to a tracking servo to correct the mistracking.
REFERENCES:
patent: 2832839 (1958-04-01), Muffly
patent: 4055849 (1977-10-01), Hickok
patent: 4085430 (1978-04-01), Gerkema et al.
patent: 4149198 (1979-04-01), Behr et al.
patent: 4164764 (1979-08-01), Joannou
patent: 4502082 (1985-02-01), Ragle et al.
patent: 4633344 (1986-12-01), Jeffers
patent: 4953161 (1990-08-01), Toyama
patent: 5060092 (1991-10-01), van der Kop
patent: 5111348 (1992-05-01), Baba
patent: 5257148 (1993-10-01), Solhjell et al.
patent: 5388014 (1995-02-01), Brug et al.
patent: 5398145 (1995-03-01), Jeffers
patent: 5898534 (1999-04-01), Gray
Almeida George B.
Ampex Corporation
Burgess Glenton B.
Habermehl James L
Mesaros John G.
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