JPS61205081U - - Google Patents
Info
- Publication number
- JPS61205081U JPS61205081U JP8896985U JP8896985U JPS61205081U JP S61205081 U JPS61205081 U JP S61205081U JP 8896985 U JP8896985 U JP 8896985U JP 8896985 U JP8896985 U JP 8896985U JP S61205081 U JPS61205081 U JP S61205081U
- Authority
- JP
- Japan
- Prior art keywords
- analog
- digital conversion
- voltage
- circuit
- sensor
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Description
第１図はこの考案に係る可変抵抗式センサの抵
抗値検出回路の一実施例を示す回路図、第２図は
同じく他の実施例を示す回路図、第３図は従来の
可変抵抗式センサの抵抗値検出回路の一例を示す
回路図、第４図は同じく従来の他の例を示す回路
図である。
１１は可変抵抗式センサ、１２は検出抵抗器、
１３は負荷抵抗器、１４は電圧源、１５はアナロ
グ・デジタル変換回路、１６，１７はスイツチ、
１８は基準電圧発生器、１９は電流源。
Fig. 1 is a circuit diagram showing one embodiment of the resistance value detection circuit of a variable resistance sensor according to this invention, Fig. 2 is a circuit diagram showing another embodiment, and Fig. 3 is a circuit diagram of a conventional variable resistance sensor. FIG. 4 is a circuit diagram showing an example of a resistance value detection circuit, and FIG. 4 is a circuit diagram showing another conventional example. 11 is a variable resistance type sensor, 12 is a detection resistor,
13 is a load resistor, 14 is a voltage source, 15 is an analog-to-digital conversion circuit, 16 and 17 are switches,
18 is a reference voltage generator, and 19 is a current source.
Claims (1)
列回路を、負荷抵抗器１３を介して電圧源１４に
接続するか、又は直接電流源１９に接続すると共
に、前記検出抵抗器１２の両端に発生する電圧信
号と基準電圧発生器１８からの基準電圧とをアナ
ログ・デジタル変換回路１５に供給し、該アナロ
グ・デジタル変換回路による前記電圧信号に対応
するアナログ・デジタル変換値に基づいて前記セ
ンサ１１の抵抗値を検出してなることを特徴とす
る可変抵抗式センサの抵抗値検出回路。 A series circuit of a variable resistance type sensor 11 and a detection resistor 12 is connected to a voltage source 14 via a load resistor 13 or directly to a current source 19, and a voltage is generated across the detection resistor 12. The voltage signal and the reference voltage from the reference voltage generator 18 are supplied to the analog-to-digital conversion circuit 15, and the sensor 11 is converted based on the analog-to-digital conversion value corresponding to the voltage signal by the analog-to-digital conversion circuit. A resistance value detection circuit for a variable resistance sensor characterized by detecting a resistance value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8896985U JPS61205081U (en) | 1985-06-14 | 1985-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8896985U JPS61205081U (en) | 1985-06-14 | 1985-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61205081U true JPS61205081U (en) | 1986-12-24 |
Family
ID=30642621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8896985U Pending JPS61205081U (en) | 1985-06-14 | 1985-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61205081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011151856A1 (en) * | 2010-05-31 | 2011-12-08 | 株式会社アドバンテスト | Measurement device and measurement method |
| JP2018046584A (en) * | 2017-12-26 | 2018-03-22 | ルネサスエレクトロニクス株式会社 | Analog-digital conversion circuit and electronic apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100768A (en) * | 1983-11-08 | 1985-06-04 | Seiichi Miyazaki | Three-wire type conductor resistance compensation system |
-
1985
- 1985-06-14 JP JP8896985U patent/JPS61205081U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100768A (en) * | 1983-11-08 | 1985-06-04 | Seiichi Miyazaki | Three-wire type conductor resistance compensation system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011151856A1 (en) * | 2010-05-31 | 2011-12-08 | 株式会社アドバンテスト | Measurement device and measurement method |
| JPWO2011151856A1 (en) * | 2010-05-31 | 2013-07-25 | 株式会社アドバンテスト | Measuring apparatus and measuring method |
| US9140734B2 (en) | 2010-05-31 | 2015-09-22 | Advantest Corporation | Measuring apparatus and measuring method |
| JP2018046584A (en) * | 2017-12-26 | 2018-03-22 | ルネサスエレクトロニクス株式会社 | Analog-digital conversion circuit and electronic apparatus |