Position detection device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12215988
APP PUB NO 20240133715A1
SERIAL NO

18404023

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A position detection device includes a magnet that generates a magnetic field to be detected, and a magnetic sensor. The magnetic sensor detects the magnetic field to be detected and generates a detection value corresponding to the position of the magnet. The magnetic field to be detected has a first direction that changes within a first plane, at a reference position in the first plane. The magnetic sensor includes four MR elements. Each of the MR elements includes a first magnetic layer having first magnetization that can change in direction within a second plane corresponding to the each of the MR elements. The first plane and the second plane intersect at a dihedral angle α other than 90°. A detection value depends on the direction of the first magnetization.

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Patent Owner(s)

Patent OwnerAddress
TDK CORPORATION2-5-1 NIHONBASHI CHUO-KU TOKYO 1036128 ?1036128

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cai, Yongfu Tokyo, JP 41 23
Uchida, Keisuke Tokyo, JP 122 703

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