JPS6142402U

JPS6142402U - magnetoresistive sensor

Info

Publication number: JPS6142402U
Application number: JP12728384U
Authority: JP
Inventors: 宏須田
Original assignee: 日本電気株式会社
Priority date: 1984-08-22
Filing date: 1984-08-22
Publication date: 1986-03-19

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案の磁気抵抗センサの一実施例を示す平面
図、第２図は本考案の磁気抵抗センサの動作の説明図、
第３図は従来の磁気抵抗センサの構成の一袖を示す平面
薗、第４図は従来の磁気センサの惑磁回路の回路図であ
る。１，２．１’，２’，４１，４２，４３，４４・・・抵
抗体、５，６，５’，６’，２５，２６
・・・出力電極、７，８，２７，２８・・・給電
電極、９，１０・・・ガラス基板、１１，１１’，１２
，１２’，３１，３２，３３，３４・・・惑磁部、
１５，１６，３５，−３６・・・組抵抗体、１９
・・・被測定物体、２０・・・磁石、λ・・・磁極間隙
、Ａ，Ａ’，Ｂ，Ｂ’・・・中心線、Ｃ，Ｃ’
・・・出力信号、Ｐ・・・間隙。FIG. 1 is a plan view showing an embodiment of the magnetoresistive sensor of the present invention, FIG. 2 is an explanatory diagram of the operation of the magnetoresistive sensor of the present invention,
FIG. 3 is a plan view showing one side of the configuration of a conventional magnetoresistive sensor, and FIG. 4 is a circuit diagram of a magnetic circuit of the conventional magnetic sensor. 1, 2.1', 2', 41, 42, 43, 44...Resistor, 5, 6, 5', 6', 25, 26
...Output electrode, 7, 8, 27, 28...Power supply electrode, 9,10...Glass substrate, 11, 11', 12
, 12', 31, 32, 33, 34... magnetism section,
15, 16, 35, -36... resistor set, 19
...Object to be measured, 20...Magnet, λ...Magnetic pole gap, A, A', B, B'...Center line, C, C'
...output signal, P...gap.

Claims

[Claims for Utility Model Registration] A plurality of mutually parallel magnetically sensitive parts are connected in series, a first resistor made of ferromagnetic metal, and a plurality of mutually parallel magnetically sensitive parts perpendicular to the magnetically sensitive part. A second resistor made of a ferromagnetic metal is connected in series, and is electrically connected in series, and an output electrode is connected to the part where the second resistor is connected to the first resistor. , the other end of the first resistor and the second
A first resistor set is provided with a power supply electrode at the other end of the resistor, a third resistor made of a ferromagnetic metal is connected in series with a plurality of mutually parallel magnetically sensitive parts, and the magnetically sensitive part A plurality of mutually parallel magnetism parts orthogonal to each other are connected in series, and a fourth resistor made of a ferromagnetic metal is arranged in series and electrically connected in series, and the third resistor is connected to the An output electrode is connected to a portion connecting the fourth resistor, and the other end of the third resistor and the fourth resistor are connected to each other.
and a second resistor set having a power supply electrode provided at the other end of the resistor, and the first resistor set and the second resistor set are arranged at a predetermined interval. A magnetoresistive sensor featuring: