JPS59130154U - magnetic reader - Google Patents
magnetic readerInfo
- Publication number
- JPS59130154U JPS59130154U JP2397283U JP2397283U JPS59130154U JP S59130154 U JPS59130154 U JP S59130154U JP 2397283 U JP2397283 U JP 2397283U JP 2397283 U JP2397283 U JP 2397283U JP S59130154 U JPS59130154 U JP S59130154U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- power supply
- operating power
- magnetic sensor
- sensor circuit
- 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
Landscapes
- Character Discrimination (AREA)
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
第１図は本考案の磁気読取り装置の一実施例の概略を示
すブロック図、第２図は第１図に示す磁気センサの回路
の一実施例を示す回路図、第３図は第１図に示す補償回
路の一実施例を示す回路図である。
１・・・・・・磁気センサ回路、２・・・・・・補償回
路、３・・・・・・増幅回路、４・・・・・・Ａ／Ｄ変
換回路、５・・・・・・ＣＰＵ、６・・・・・・処理回
路、７．８・・・・・・磁気変換素子（磁気抵抗素子）
、９・・・・・・基準電圧回路、１０〜１２・・・・・
・オペアンプ、Ｄ・・・・・・感温素子（ダイオード）
、Ｑ・・・・・・トランジスタ、Ｃ・・・・・・コンデ
ンサ。FIG. 1 is a block diagram schematically showing an embodiment of the magnetic reading device of the present invention, FIG. 2 is a circuit diagram showing an embodiment of the magnetic sensor circuit shown in FIG. 1, and FIG. FIG. 2 is a circuit diagram showing an embodiment of the compensation circuit shown in FIG. 1... Magnetic sensor circuit, 2... Compensation circuit, 3... Amplification circuit, 4... A/D conversion circuit, 5...・CPU, 6...processing circuit, 7.8...magnetic conversion element (magnetoresistive element)
, 9...Reference voltage circuit, 10-12...
・Operational amplifier, D... Temperature sensing element (diode)
, Q...Transistor, C...Capacitor.
Claims (1)
気の変化を電気信号に変換して出力する磁電変換素子か
らなる磁気センサ回路と、この磁気センサ回路の出力を
処理する処理回路とを具備してなる磁気読取り装置にお
いて； 前記磁気変換素子と同じ雰囲気中に配置され、かつ前記
雰囲気中の温度変化を所定の基準電圧に対する電気信号
の変化として出力する感温素子と、この変化出力にて前
記磁気センサ回路の動作電源電圧を変化させる補償回路
とを備えてなる磁気読取り装置。[Claims for Utility Model Registration] An operating power supply, a magnetic sensor circuit consisting of a magneto-electric conversion element that operates with the operating power supply voltage and converts magnetic changes into electrical signals and outputs them, and an output of the magnetic sensor circuit. In a magnetic reading device comprising: a processing circuit for processing; a temperature sensing element disposed in the same atmosphere as the magnetic transducer element and outputting a temperature change in the atmosphere as a change in an electric signal with respect to a predetermined reference voltage; and a compensation circuit that changes the operating power supply voltage of the magnetic sensor circuit based on the changed output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2397283U JPS59130154U (en) | 1983-02-21 | 1983-02-21 | magnetic reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2397283U JPS59130154U (en) | 1983-02-21 | 1983-02-21 | magnetic reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59130154U true JPS59130154U (en) | 1984-09-01 |
Family
ID=30155034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2397283U Pending JPS59130154U (en) | 1983-02-21 | 1983-02-21 | magnetic reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59130154U (en) |
-
1983
- 1983-02-21 JP JP2397283U patent/JPS59130154U/en active Pending
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