JPH0235460U - - Google Patents
Info
- Publication number
- JPH0235460U JPH0235460U JP11379488U JP11379488U JPH0235460U JP H0235460 U JPH0235460 U JP H0235460U JP 11379488 U JP11379488 U JP 11379488U JP 11379488 U JP11379488 U JP 11379488U JP H0235460 U JPH0235460 U JP H0235460U
- Authority
- JP
- Japan
- Prior art keywords
- hall element
- temperature compensation
- polarity
- brush
- utility
- 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 3
Description
第１図は本考案に係る温度補償回路をクリツプ
・オン電流計に適用した場合の実施例の接続図、
第２図は本考案に係る温度補償回路の温度補償係
数を決めるための接続図、第３図はホール素子を
用いたクリツプ・オン電流計の従来の接続図であ
る。
１５……差動増幅器、２０……ホール素子、３
１……可変抵抗器。
FIG. 1 is a connection diagram of an embodiment in which the temperature compensation circuit according to the present invention is applied to a clip-on ammeter.
FIG. 2 is a connection diagram for determining the temperature compensation coefficient of the temperature compensation circuit according to the present invention, and FIG. 3 is a conventional connection diagram of a clip-on ammeter using a Hall element. 15... Differential amplifier, 20... Hall element, 3
1...Variable resistor.
Claims (1)
化に伴う前記ホール素子の入力抵抗の変化分を検
出する可変抵抗器、及び前記ホール素子の出力電
圧から前記可変抵抗器の刷子より得られる電圧を
差引く手段を備えてなるホール素子の温度補償回
路。 (2) 前記ホール素子の駆動電流の極性及び前記
差引いた電圧の極性を夫々反転させて可変抵抗器
の刷子の位置を調整することにより温度補償係数
を決定するように構成したことを特徴とする実用
新案登録請求の範囲第(1)項記載のホール素子の
温度補償回路。[Claims for Utility Model Registration] (1) A variable resistor that is connected between current terminals of a Hall element and detects a change in the input resistance of the Hall element due to a temperature change, and A Hall element temperature compensation circuit comprising means for subtracting the voltage obtained from the resistor brush. (2) The temperature compensation coefficient is determined by reversing the polarity of the drive current of the Hall element and the polarity of the subtracted voltage, respectively, and adjusting the position of the brush of the variable resistor. A temperature compensation circuit for a Hall element according to claim (1) of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11379488U JPH0235460U (en) | 1988-08-30 | 1988-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11379488U JPH0235460U (en) | 1988-08-30 | 1988-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235460U true JPH0235460U (en) | 1990-03-07 |
Family
ID=31353950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11379488U Pending JPH0235460U (en) | 1988-08-30 | 1988-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235460U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5348601U (en) * | 1976-09-29 | 1978-04-25 | ||
| JPS5437268U (en) * | 1977-08-12 | 1979-03-10 | ||
| JPS5790176A (en) * | 1980-11-26 | 1982-06-04 | Toshiba Corp | In-phase voltage removing circuit for hall element |
| JPS60104263A (en) * | 1983-08-22 | 1985-06-08 | ボ−グ・ワ−ナ−・コ−ポレ−シヨン | Detector measuring parameter |
-
1988
- 1988-08-30 JP JP11379488U patent/JPH0235460U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5348601U (en) * | 1976-09-29 | 1978-04-25 | ||
| JPS5437268U (en) * | 1977-08-12 | 1979-03-10 | ||
| JPS5790176A (en) * | 1980-11-26 | 1982-06-04 | Toshiba Corp | In-phase voltage removing circuit for hall element |
| JPS60104263A (en) * | 1983-08-22 | 1985-06-08 | ボ−グ・ワ−ナ−・コ−ポレ−シヨン | Detector measuring parameter |
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