JPS5857767U - Potentiometer disconnection detection device - Google Patents
Potentiometer disconnection detection deviceInfo
- Publication number
- JPS5857767U JPS5857767U JP14894181U JP14894181U JPS5857767U JP S5857767 U JPS5857767 U JP S5857767U JP 14894181 U JP14894181 U JP 14894181U JP 14894181 U JP14894181 U JP 14894181U JP S5857767 U JPS5857767 U JP S5857767U
- Authority
- JP
- Japan
- Prior art keywords
- potentiometer
- voltage
- detection device
- disconnection detection
- supplied
- 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
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Testing Electric Properties And Detecting Electric Faults (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
図はこの考案の一実施例を示す回路構成図である。
図において、１はポテンショメータ、７は電圧ホロア、
１２は電圧比較回路、１３．１４は基準電圧を得るため
の分圧用抵抗である。The figure is a circuit configuration diagram showing an embodiment of this invention. In the figure, 1 is a potentiometer, 7 is a voltage follower,
12 is a voltage comparison circuit, and 13 and 14 are voltage dividing resistors for obtaining a reference voltage.
Claims (1)
得られる分圧電圧を電圧ホロアを介して電圧比較回路の
一方の入力端子へ供給し、上記電圧比較回路の他方の入
力端子へ供給される所定基準電圧と比較し、上記ポテン
ショメータが断線したとき上記電圧ホロアの出力電圧が
飽和値に達することを利用して、上記電圧比較回路の出
力から上記ポテンショメータの断線を検出するようにし
たことを特徴とするポテンショメータの断線検出装置。A divided voltage obtained from a movable terminal of a potentiometer to which a predetermined voltage is supplied is supplied to one input terminal of a voltage comparison circuit via a voltage follower, and a predetermined reference voltage is supplied to the other input terminal of the voltage comparison circuit. The potentiometer is characterized in that the disconnection of the potentiometer is detected from the output of the voltage comparison circuit by utilizing the fact that when the potentiometer is disconnected, the output voltage of the voltage follower reaches a saturation value. Disconnection detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14894181U JPS5857767U (en) | 1981-10-06 | 1981-10-06 | Potentiometer disconnection detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14894181U JPS5857767U (en) | 1981-10-06 | 1981-10-06 | Potentiometer disconnection detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5857767U true JPS5857767U (en) | 1983-04-19 |
Family
ID=29941736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14894181U Pending JPS5857767U (en) | 1981-10-06 | 1981-10-06 | Potentiometer disconnection detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5857767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010060351A (en) * | 2008-09-02 | 2010-03-18 | Yokogawa Electric Corp | Signal input circuit |
| US8946589B2 (en) | 2000-09-13 | 2015-02-03 | Hamamatsu Photonics K.K. | Method of cutting a substrate, method of cutting a wafer-like object, and method of manufacturing a semiconductor device |
-
1981
- 1981-10-06 JP JP14894181U patent/JPS5857767U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8946589B2 (en) | 2000-09-13 | 2015-02-03 | Hamamatsu Photonics K.K. | Method of cutting a substrate, method of cutting a wafer-like object, and method of manufacturing a semiconductor device |
| JP2010060351A (en) * | 2008-09-02 | 2010-03-18 | Yokogawa Electric Corp | Signal input circuit |
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