Magnetic transducer for high density recording or writing
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United States of America Patent
Stats
-
Nov 11, 1986
Grant Date -
N/A
app pub date -
Jun 29, 1984
filing date -
Jul 13, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transducer for writing data on a magnetic carrier includes a magnetic circuit having a writing pole piece (PPI.sub.2), realized in thin magnetic layers of anisotropic magnetic material. A conductor (CMPI) for controlling the writing is coupled magnetically with the pole piece and acts upon the pole piece for writing a datum by reversing the magnetization. A second control is magnetically coupled with the pole piece (PPI.sub.2), but does not act upon the pole piece except in the case of non-writing by diminishing the effective action of the conductor control.
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