JPS58153369U - Measuring device using bridge - Google Patents
Measuring device using bridgeInfo
- Publication number
- JPS58153369U JPS58153369U JP4855882U JP4855882U JPS58153369U JP S58153369 U JPS58153369 U JP S58153369U JP 4855882 U JP4855882 U JP 4855882U JP 4855882 U JP4855882 U JP 4855882U JP S58153369 U JPS58153369 U JP S58153369U
- Authority
- JP
- Japan
- Prior art keywords
- bridge
- measuring device
- arm
- bridge circuit
- admittance
- 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.)
- Granted
Links
Landscapes
- Measurement Of Resistance Or Impedance (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図は従来の静電容量測定用のアドミタンスブリッジ
回路、第２図は従来の静電容量測定用の差動トランス方
式のアドミタンスブリッジ回路、第３図はこの考案の一
例を示す回路図、第４図ａ。
ｂは零点誤差のある場合とない場合を示す波形図である
。
Ｙｏ・・・基準アドミタンス、Ｙ・・・測定アドミタン
、ス、１０・・・第１アーム、１１・・・第２アーム
、１２・・・スイッチ手段、１３・・・ブリッジ回路、
１４・・・タイミング信号発生器、１５・・・発振器、
１６．１９・・・増幅器、１７・・・位相調整器、１８
・・・位相感応検出器、２０・・・同期整流器、２１・
・・平滑回路。Figure 1 is a conventional admittance bridge circuit for capacitance measurement, Figure 2 is a conventional differential transformer type admittance bridge circuit for capacitance measurement, and Figure 3 is a circuit diagram showing an example of this invention. Figure 4a. b is a waveform diagram showing cases with and without zero point error. Yo... Reference admittance, Y... Measurement admittance, Su, 10... First arm, 11... Second arm, 12... Switch means, 13... Bridge circuit,
14... Timing signal generator, 15... Oscillator,
16.19...Amplifier, 17...Phase adjuster, 18
... Phase sensitive detector, 20 ... Synchronous rectifier, 21.
...Smoothing circuit.
Claims (1)
びこの第１アームに並列に接続される第２アームを有し
、被測定物を測定する交流アドミタンスブリッジ回路に
おいて、第１アームと第２アー２ノ、の接続を一定周期
で交互に切換えるスイッチ手段と、上記ブリッジ回路の
出力を上記周期で正負反転させ、その平均値を出力する
手段とからなるブリッジによる測定装置。In an AC admittance bridge circuit for measuring an object to be measured, the circuit has a first arm in which the object to be measured and a reference admittance are connected in series, and a second arm connected in parallel to the first arm. 2. A measuring device using a bridge, comprising a switch means for alternately switching the connection of the bridge circuit 2 at a constant cycle, and a means for inverting the output of the bridge circuit at the cycle and outputting an average value thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4855882U JPS58153369U (en) | 1982-03-31 | 1982-03-31 | Measuring device using bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4855882U JPS58153369U (en) | 1982-03-31 | 1982-03-31 | Measuring device using bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58153369U true JPS58153369U (en) | 1983-10-13 |
| JPH0351748Y2 JPH0351748Y2 (en) | 1991-11-07 |
Family
ID=30059467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4855882U Granted JPS58153369U (en) | 1982-03-31 | 1982-03-31 | Measuring device using bridge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58153369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005530162A (en) * | 2002-06-13 | 2005-10-06 | マイクロリス コーポレイション | Improved electronic interface for use with double electrode capacitive diaphragm gauges |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1257983A2 (en) * | 2000-02-10 | 2002-11-20 | Jon Shore | Apparatus, systems and methods for wirelessly transacting financial transfers, electronically recordable authorization transfers, and other information transfers |
-
1982
- 1982-03-31 JP JP4855882U patent/JPS58153369U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005530162A (en) * | 2002-06-13 | 2005-10-06 | マイクロリス コーポレイション | Improved electronic interface for use with double electrode capacitive diaphragm gauges |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351748Y2 (en) | 1991-11-07 |
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