Magnetic reading device with alternating magnetic biasing means

Details Magnetic reading device with alternating magnetic biasing means Magnetic reading device with alternating magnetic biasing means

1995-03-10

1996-10-22

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Head

Read only detector using light for reading magnetically...

360 59, 369 13, G11B 1110, G11B 502

Patent

active

055683363

ABSTRACT:
This magnetic medium reading device comprises means for the induction of an AC magnetic excitation field in the reading zone of the magnetic head. It can be applied notably to magneto-optical reading heads. Applications: reading of magnetic media (magnetic tapes and disks).

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patent: 3701133 (1972-10-01), Smaller et al.
patent: 4618901 (1986-10-01), Hatakeyama et al.
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IBM TDB "Optical Readout For Magnetic Memory", Barrekette et al., vol. 6, No. 4 Sep. 1963 pp. 145-146.
IBM TDB "Magneto-Optical Read-Out System", Albert et al., vol. 14 No. 7 Dec. 1971 p. 2160.

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