JPS60106170U - Relative permittivity change detection device - Google Patents
Relative permittivity change detection deviceInfo
- Publication number
- JPS60106170U JPS60106170U JP20119083U JP20119083U JPS60106170U JP S60106170 U JPS60106170 U JP S60106170U JP 20119083 U JP20119083 U JP 20119083U JP 20119083 U JP20119083 U JP 20119083U JP S60106170 U JPS60106170 U JP S60106170U
- Authority
- JP
- Japan
- Prior art keywords
- inverting terminal
- terminal
- relative permittivity
- comparator
- detection device
- 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 Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の構成を明示する全体構成図、第２図は
本考案の一実施例の電気回路図、第３図はその波形図、
第４図は本考案の他の実施例の電気回路図である。
１・・・・・・発振器、２・・・・・・比較器、３，４
・・・・・・逆流阻止回路、５・・・・・・電極、６・
・・・・・波形変形回路、７・・・・・・出力回路。Figure 1 is an overall configuration diagram clearly showing the configuration of the present invention, Figure 2 is an electric circuit diagram of an embodiment of the present invention, Figure 3 is its waveform diagram,
FIG. 4 is an electrical circuit diagram of another embodiment of the present invention. 1...Oscillator, 2...Comparator, 3, 4
...Reverse current blocking circuit, 5... Electrode, 6.
... Waveform modification circuit, 7 ... Output circuit.
Claims (1)
端子別逆流阻止回路を介して接続し、かつ、前記反転端
子と非反転端子との一方に比誘電率の大きい被検出体に
影響されて前記比較器に入力される波形を変化させる電
極を接続し、前記反転端子と非反転端子との他方に、周
囲の雰囲気によって前記比較器の出力が反転するのを防
止するための、周囲の雰囲気に対応した前記反転端子と
非反転端子との一方の入力波形変化に対応して波形を変
化させる波形変形回路を接続し、更に、前記比較器にそ
の出力が反転したときに外部に出力を発生させる出力回
路を接続することを特徴とする比誘電率変化検出装置。The output terminal of the oscillator is connected to the inverting terminal and the non-inverting terminal of the comparator through a reverse current blocking circuit for each terminal, and one of the inverting terminal and the non-inverting terminal is connected to the detected object having a large relative dielectric constant. An electrode is connected to the other of the inverting terminal and the non-inverting terminal to prevent the output of the comparator from being inverted due to the surrounding atmosphere. A waveform modification circuit is connected to the comparator that changes the waveform in response to a change in the input waveform of one of the inverting terminal and the non-inverting terminal corresponding to the atmosphere of What is claimed is: 1. A device for detecting changes in relative dielectric constant, characterized by connecting an output circuit that generates a change in relative permittivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20119083U JPS60106170U (en) | 1983-12-23 | 1983-12-23 | Relative permittivity change detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20119083U JPS60106170U (en) | 1983-12-23 | 1983-12-23 | Relative permittivity change detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60106170U true JPS60106170U (en) | 1985-07-19 |
Family
ID=30762743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20119083U Pending JPS60106170U (en) | 1983-12-23 | 1983-12-23 | Relative permittivity change detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60106170U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57139668A (en) * | 1981-02-18 | 1982-08-28 | Lucas Industries Ltd | Dielectric constant indicator |
| JPS58167973A (en) * | 1982-03-11 | 1983-10-04 | ハネウエル・インコ−ポレ−テツド | Monitor circuit for capacitor |
-
1983
- 1983-12-23 JP JP20119083U patent/JPS60106170U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57139668A (en) * | 1981-02-18 | 1982-08-28 | Lucas Industries Ltd | Dielectric constant indicator |
| JPS58167973A (en) * | 1982-03-11 | 1983-10-04 | ハネウエル・インコ−ポレ−テツド | Monitor circuit for capacitor |
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