Electricity: measuring and testing – Magnetic – Displacement
Patent
1995-06-14
1997-12-09
Snow, Walter E.
Electricity: measuring and testing
Magnetic
Displacement
32420725, 338 32R, G01B 714, G01P 342, G01D 5245, G01R 3306
Patent
active
056964439
ABSTRACT:
A magnetic reluctance sensor can obtain a stable output without causing a curve around the center of an output waveform of an MR output even if the gap between an MR element and an MR magnet is narrowed. A stable output is obtained without causing a curve in an output waveform even if the facing interval "g" between magnet means 2 and a magnetism-sensitive element 3 is decreased, by setting a magnetism-sensitive pattern width "d" of the magnetism-sensitive element 3 to a value 0.3 to 1.0 times larger than a magnetic pole width .lambda. of the magnet means 2.
REFERENCES:
patent: 4639807 (1987-01-01), Sekizawa et al.
patent: 4649342 (1987-03-01), Nakamura
patent: 4725776 (1988-02-01), Onodera et al.
patent: 5216363 (1993-06-01), Masaaki
Nakayama Akihito
Sakamoto Satoshi
Kananen Ronald P.
Snow Walter E.
Sony Corporation
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