JPH0293774U - - Google Patents
Info
- Publication number
- JPH0293774U JPH0293774U JP95789U JP95789U JPH0293774U JP H0293774 U JPH0293774 U JP H0293774U JP 95789 U JP95789 U JP 95789U JP 95789 U JP95789 U JP 95789U JP H0293774 U JPH0293774 U JP H0293774U
- Authority
- JP
- Japan
- Prior art keywords
- magnetoresistive elements
- magnetic detector
- differential amplifier
- midpoint voltage
- detector
- 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 8
Landscapes
- Measuring Magnetic Variables (AREA)
Description
第１図は本考案の一実施例を示す磁気検出器の
構成図、第２図は同等価回路図、第３図は同中点
電位差信号と差動アンプの出力を示す図、第４図
は、同他の実施例を示す磁気検出器の構成図、第
５図は従来の磁気検出器の構成図、第６図は磁気
検出器の回路構成図、第７図は従来の磁気検出器
の中点電位差信号と差動アンプの出力を示す図、
第８図はプラス・マイナスの両電源で動作させた
場合の中点電位差信号と差動アンプ出力信号の出
力を示す図である。
１ａ，１ｂ，１ｃ，１ｄ……磁気抵抗素子（Ｍ
Ｒ素子）、２……差動アンプ、３，６，１３……
入出力信号、４，１１……中点電位差信号、６，
７，１２……差動アンプ出力信号、８……抵抗、
１０……可変抵抗。
Fig. 1 is a configuration diagram of a magnetic detector showing an embodiment of the present invention, Fig. 2 is an equivalent circuit diagram, Fig. 3 is a diagram showing the midpoint potential difference signal and the output of the differential amplifier, Fig. 4 is a block diagram of a magnetic detector showing another embodiment, FIG. 5 is a block diagram of a conventional magnetic detector, FIG. 6 is a circuit diagram of a magnetic detector, and FIG. 7 is a conventional magnetic detector. A diagram showing the midpoint potential difference signal and the output of the differential amplifier,
FIG. 8 is a diagram showing the output of the midpoint potential difference signal and the differential amplifier output signal when operated with both positive and negative power supplies. 1a, 1b, 1c, 1d... Magnetoresistive element (M
R element), 2... Differential amplifier, 3, 6, 13...
Input/output signal, 4, 11...midpoint potential difference signal, 6,
7, 12... Differential amplifier output signal, 8... Resistor,
10...Variable resistance.
補正 平１．２．２２
図面の簡単な説明を次のように補正する。
明細書第８頁９行目に「８……抵抗」とあるを
「８，８′……抵抗」と補正する。Amendment 1.2.22 Hei 1. The brief description of the drawing is amended as follows. On page 8, line 9 of the specification, "8...resistance" is corrected to "8, 8'...resistance."
Claims (1)
組の磁気抵抗素子を並列に接続してなる磁気検出
器において、一方の組の磁気抵抗素子の中点電圧
と他方の組の磁気抵抗素子の中点電圧と異ならせ
たことを特徴とする磁気検出器。 Two sets of magnetoresistive elements connected in series are provided.
A magnetic detector comprising a set of magnetoresistive elements connected in parallel, characterized in that the midpoint voltage of one set of magnetoresistive elements is different from the midpoint voltage of the other set of magnetoresistive elements. Detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP95789U JPH0293774U (en) | 1989-01-09 | 1989-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP95789U JPH0293774U (en) | 1989-01-09 | 1989-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0293774U true JPH0293774U (en) | 1990-07-25 |
Family
ID=31200428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP95789U Pending JPH0293774U (en) | 1989-01-09 | 1989-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0293774U (en) |
-
1989
- 1989-01-09 JP JP95789U patent/JPH0293774U/ja active Pending