Magnetic-resistor sensor and a magnetic encoder using such a sensor

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United States of America Patent

PATENT NO 4954803
SERIAL NO

07324391

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Abstract

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A magnetic-resistor sensor is provided with two or more comb-like patterns of different pitches formed on a single base plate and each comb-like pattern is adapted for use in combination with a magnetic scale of a corresponding information pitch so that one magnetic-resistor sensor could span magnetic scales of different information pitches. Such a universal magnetic-resistor sensor is used for a magnetic encoder having a magnetic scale in which a magnetic information pattern and a reference position pattern are formed in the same single track, thereby conserving space on the magnetic scale.

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Patent Owner(s)

Patent OwnerAddress
YAMAHA CORPORATION10-1 NAKAZAWA-CHO CHUO-KU HAMAMATSU-SHI SHIZUOKA 4308650 ?4308650

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayashi, Yoshinori Shizuoka, JP 227 5144
Iijima, Kenzaburou Shizuoka, JP 26 304

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