Electricity: measuring and testing – Magnetic – Displacement
Patent
1991-08-07
1994-04-12
Snow, Walter E.
Electricity: measuring and testing
Magnetic
Displacement
32420724, 32420725, 324174, G01R 3300, G01B 714
Patent
active
053028937
ABSTRACT:
A coated magnetic recording member for use in a magnetic encoder includes a non-magnetic substrate and a magnetic recording medium carried on the non-magnetic substrate. The magnetic recording medium of a magnetic film formed of a magnetic coating material which contains magnetic barium-ferrite powder. A magnetic encoder includes the magnetic recording member on which magnetic recording is conducted, and a magnetic sensor disposed in opposed relation to the magnetic recording medium.
REFERENCES:
patent: 3969644 (1975-02-01), Nowak
patent: 3986206 (1976-10-01), Fayling
patent: 4319188 (1982-03-01), Ito et al.
Hitachi Metals Ltd.
Snow Walter E.
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