JPH01148807U - - Google Patents
Info
- Publication number
- JPH01148807U JPH01148807U JP1988044742U JP4474288U JPH01148807U JP H01148807 U JPH01148807 U JP H01148807U JP 1988044742 U JP1988044742 U JP 1988044742U JP 4474288 U JP4474288 U JP 4474288U JP H01148807 U JPH01148807 U JP H01148807U
- Authority
- JP
- Japan
- Prior art keywords
- value
- operational amplifier
- resistor
- terminal
- fixed
- 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
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の実施例を示す回路構成図、第
２図は電流／電圧変換器の特性を示す特性図、第
３図は割算器の特性を示す特性図、第４図及び第
５図は従来技術を示す回路構成図である。
図面中、Ｐ１，Ｐ２，…，Ｐｍ−１，Ｐｍはポ
テンシヨメータ、Ｉ／Ｖ１，Ｉ／Ｖ２，…，Ｉ／
Ｖｍ−１，Ｉ／Ｖｍは電流／電圧変換器、Ｄ１，
Ｄ２，…，Ｄｍ−１，Ｄｍは割算器、ＣＰＵは中
央処理装置である。
Fig. 1 is a circuit configuration diagram showing an embodiment of the present invention, Fig. 2 is a characteristic diagram showing the characteristics of the current/voltage converter, Fig. 3 is a characteristic diagram showing the characteristics of the divider, Figs. FIG. 5 is a circuit configuration diagram showing a conventional technique. In the drawing, P 1 , P 2 , ..., P m-1 , P m are potentiometers, I/V1, I/V2, ..., I/
Vm-1, I/Vm is a current/voltage converter, D 1 ,
D2 ,..., Dm -1 , Dm are dividers, and CPU is a central processing unit.
Claims (1)
備え、一方の固定端子に電源電圧が供給されると
ともに他方の固定端子と摺動片とが電気的に接続
されたポテンシヨメータと、 非反転入力端子が接地されたオペアンプと、オ
ペアンプの反転入力端子に接続された入力抵抗と
、一端がオペアンプの反転入力端子に他端がオペ
アンプの出力端子に接続された外付抵抗とでなり
、ポテンシヨメータで得たポテンシヨメータ信号
が入力抵抗を介して入力されてポテンシヨメータ
信号の値に応じた電圧信号を出力する電流／電圧
変換器と、 前記電圧信号の値を除数値として取り込むとと
もに前記電源電圧の値を被除数値として取り込ん
で割算演算を行なつてこの演算結果を演算信号と
して出力する割算器と、 前記演算信号を受けてこの値を基に位置検出及
び断線検出をする処理装置とで構成したことを特
徴とする断線検出機能付位置検出装置。[Claims for Utility Model Registration] A fixed resistor and a sliding piece having fixed terminals at both ends are provided, and a power supply voltage is supplied to one fixed terminal, and the other fixed terminal and the sliding piece are electrically connected. an operational amplifier with its non-inverting input terminal connected to ground, an input resistor connected to the inverting input terminal of the operational amplifier, and an external resistor connected to the inverting input terminal of the operational amplifier at one end and the output terminal of the operational amplifier at the other end. a current/voltage converter that is connected to a resistor, receives a potentiometer signal obtained from the potentiometer via an input resistor, and outputs a voltage signal according to the value of the potentiometer signal; a divider that takes in a value as a divisor value, takes in the value of the power supply voltage as a dividend value, performs a division operation, and outputs the operation result as an operation signal; 1. A position detection device with a wire breakage detection function, comprising a processing device for position detection and wire breakage detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044742U JPH01148807U (en) | 1988-04-04 | 1988-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988044742U JPH01148807U (en) | 1988-04-04 | 1988-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01148807U true JPH01148807U (en) | 1989-10-16 |
Family
ID=31271090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988044742U Pending JPH01148807U (en) | 1988-04-04 | 1988-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01148807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05157506A (en) * | 1991-12-04 | 1993-06-22 | Nippondenso Co Ltd | Throttle position sensor |
| JP2015206650A (en) * | 2014-04-18 | 2015-11-19 | リンナイ株式会社 | Resistance detection signal generation circuit for variable resistors |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731617B2 (en) * | 1976-06-18 | 1982-07-06 | ||
| JPS6124613B2 (en) * | 1981-06-23 | 1986-06-11 | Sharp Kk |
-
1988
- 1988-04-04 JP JP1988044742U patent/JPH01148807U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731617B2 (en) * | 1976-06-18 | 1982-07-06 | ||
| JPS6124613B2 (en) * | 1981-06-23 | 1986-06-11 | Sharp Kk |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05157506A (en) * | 1991-12-04 | 1993-06-22 | Nippondenso Co Ltd | Throttle position sensor |
| JP2015206650A (en) * | 2014-04-18 | 2015-11-19 | リンナイ株式会社 | Resistance detection signal generation circuit for variable resistors |
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