G - Physics – 11 – B
Patent
G - Physics
11
B
352/20, 352/29.0
G11B 5/02 (2006.01) G01R 33/02 (2006.01) G11B 5/33 (2006.01)
Patent
CA 1202716
Abstract of the Disclosure A capacitance element includes as an interelectrode substance a magnetic body for detecting a magnetic field formed by a magnetic recording medium. A tuned circuit includes the capacitance element as a tuning element and receives a signal from a high-frequency oscillator. The magnetic characteristics of the magnetic body change with changes in the magnetic field formed by the magnetic recording medium. The high-frequency signal output from the tuned circuit changes with changes in the magnetic characteristics of the magnetic body. A detecting circuit detects the changes in the high- frequency signal output so as to reproduce signals recorded on the magnetic recording medium.
426256
Akiyama Junichi
Chiba Shu
Sawazaki Norikazu
Ridout & Maybee Llp
Tokyo Shibaura Denki Kabushiki Kaisha
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