Programmable servo pattern generator

Details Programmable servo pattern generator Programmable servo pattern generator

1984-02-27

1986-04-22

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 78, G11B 5012

Patent

active

045846197

ABSTRACT:
A programmable servo pattern generator for use in a magnetic disc drive servowriter system. The servo pattern generator of the present invention stores a multiplicity of different servo patterns in a convenient user-oriented format, and it provides high frequency pulse trains of NRZ data representing the different servo patterns. These different servo patterns are derived from the pattern generator of the invention as required and in the particular formats to be written into the magnetic disc drives of the same or different manufacturers.

REFERENCES:
patent: 4371902 (1983-02-01), Baxter et al.
patent: 4414589 (1983-11-01), Oliver et al.
patent: 4480277 (1984-10-01), Hara et al.
IBM Technical Disclosure Bulletin, vol. 20, No. 11A, Apr. 1978, pp. 4616-4618, Servo Track Writer, Mulholland et al.
IBM Technical Disclosure Bulletin, vol. 21, No. 9, Feb. 1979, p. 3772, Stand-Alone Disk Facility Formatting Performed by a Control Unit, W. H. Hausen.

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