Device for feeding magnetic head

Details Device for feeding magnetic head Device for feeding magnetic head

1983-03-29

1986-04-08

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, 360 75, 360 77, H02P 800

Patent

active

045815674

ABSTRACT:
A device for feeding a magnetic head used in a magnetic disc apparatus, wherein phase currents of the pulse motor are controlled by sensing the signals that are produced in proportion to off-track quantity of the head or by receiving signals that results from an error contained in the reproduced signals, in order to bring the head to a proper position.

REFERENCES:
patent: 4445153 (1984-04-01), Fujimoto et al.

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