Magnetic head drive circuit including capacitors for storing cha

Details Magnetic head drive circuit including capacitors for storing cha Magnetic head drive circuit including capacitors for storing cha

1995-01-10

1995-09-05

Nguyen, Hoa T.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Thermomagnetic recording or transducers

360 66, 360114, 369 13, G11B 500

Patent

active

054484227

ABSTRACT:
A drive circuit apparatus for driving a magnetic head includes a magnetic core, a coil wound around the magnetic core, and a unit for supplying current to the coil. The supplying unit includes first and second capacitors and a charging unit such that the second capacitor is charged while the current is supplied to the coil by a charge stored in the first capacitor.

REFERENCES:
patent: 4326133 (1982-04-01), Tasma
patent: 4472755 (1984-09-01), Praeg
patent: 4716490 (1987-12-01), Alexamian
patent: 5199010 (1993-03-01), Adachi et al.
patent: 5229902 (1993-07-01), Zucker et al.
patent: 5233577 (1993-08-01), Bakx et al.
patent: 5278818 (1994-01-01), Zucker et al.

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