JPS6339621U - - Google Patents
Info
- Publication number
- JPS6339621U JPS6339621U JP13276386U JP13276386U JPS6339621U JP S6339621 U JPS6339621 U JP S6339621U JP 13276386 U JP13276386 U JP 13276386U JP 13276386 U JP13276386 U JP 13276386U JP S6339621 U JPS6339621 U JP S6339621U
- Authority
- JP
- Japan
- Prior art keywords
- series
- connection circuits
- series connection
- magnetic sensor
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Magnetic Variables (AREA)
Description
第1図はこの考案の実施例の構成を示す平面図
、第2図はこの考案の実施例の構成を示す回路図
、第3図はこの考案の他の実施例の要部の構成を
示す平面図、第4図は磁気センサを含む磁気検出
系の全体構成を示す模式図、第5図は従来提案さ
れている磁気センサの構成を示す平面図、第6図
は磁気センサにおける磁気抵抗素子の配列の一例
を示す図、第7図は第5図の回路図、第8図は従
来提案されている磁気センサの全検出系の構成を
示す回路図、第9図A,B,Cは磁気センサ各部
の信号波形図である。
11……磁気ドラム、12……磁気センサ、1
3……増幅器、14……波形整形回路、a,b,
c,d,e,f……電極、R11〜R18,R2
1〜R28……磁気抵抗素子。
Figure 1 is a plan view showing the configuration of an embodiment of this invention, Figure 2 is a circuit diagram showing the configuration of an embodiment of this invention, and Figure 3 is a diagram showing the configuration of main parts of another embodiment of this invention. A plan view, FIG. 4 is a schematic diagram showing the overall configuration of a magnetic detection system including a magnetic sensor, FIG. 5 is a plan view showing the configuration of a conventionally proposed magnetic sensor, and FIG. 6 is a magnetoresistive element in the magnetic sensor. 7 is a circuit diagram of FIG. 5, FIG. 8 is a circuit diagram showing the configuration of the entire detection system of a conventionally proposed magnetic sensor, and FIGS. 9A, B, and C are It is a signal waveform diagram of each part of a magnetic sensor. 11... Magnetic drum, 12... Magnetic sensor, 1
3...Amplifier, 14...Waveform shaping circuit, a, b,
c, d, e, f... electrode, R 11 to R 18 , R 2
1 to R28 ... Magnetoresistive element.
Claims (1)
び第2の直列接続回路が形成され、これら第1及
び第2の直列接続回路が互に並列に接続され、前
記第1及び第2の直列接続回路の磁気抵抗素子間
接続点からそれぞれ第1及び第2の電気信号が取
り出されるブリツジ回路で構成され、このブリツ
ジ回路が移動可能な磁気媒体に対向して配され、
前記磁気抵抗素子により前記磁気媒体が形成する
磁界を検出する磁気センサにおいて、前記第1及
び第2の直列接続回路には、それぞれ修正用抵抗
が直列に挿入接続され、これらの修正用抵抗には
切り離し可能なバイパス線が並列に接続されてな
ることを特徴とする磁気センサ。 A plurality of magnetoresistive elements are connected in series to form first and second series connection circuits, these first and second series connection circuits are connected in parallel to each other, and the first and second series connection circuits are connected in series. comprising a bridge circuit from which first and second electric signals are respectively taken out from connection points between the magnetoresistive elements of the connection circuit, and this bridge circuit is disposed facing a movable magnetic medium;
In the magnetic sensor that detects the magnetic field formed by the magnetic medium using the magnetoresistive element, correction resistors are inserted and connected in series to each of the first and second series connection circuits, and these correction resistors include A magnetic sensor characterized by detachable bypass wires connected in parallel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13276386U JPS6339621U (en) | 1986-09-01 | 1986-09-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13276386U JPS6339621U (en) | 1986-09-01 | 1986-09-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6339621U true JPS6339621U (en) | 1988-03-15 |
Family
ID=31032456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13276386U Pending JPS6339621U (en) | 1986-09-01 | 1986-09-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6339621U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011007569A (en) * | 2009-06-24 | 2011-01-13 | Alps Electric Co Ltd | Magnetic detection device and method of testing the same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60218025A (en) * | 1984-04-13 | 1985-10-31 | Inoue Japax Res Inc | Magnetic head circuit for magnetic encoder |
-
1986
- 1986-09-01 JP JP13276386U patent/JPS6339621U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60218025A (en) * | 1984-04-13 | 1985-10-31 | Inoue Japax Res Inc | Magnetic head circuit for magnetic encoder |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011007569A (en) * | 2009-06-24 | 2011-01-13 | Alps Electric Co Ltd | Magnetic detection device and method of testing the same |
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