JPS6182103A - 帰還増幅型静電容量計 - Google Patents

帰還増幅型静電容量計

Info

Publication number
JPS6182103A
JPS6182103A JP59204233A JP20423384A JPS6182103A JP S6182103 A JPS6182103 A JP S6182103A JP 59204233 A JP59204233 A JP 59204233A JP 20423384 A JP20423384 A JP 20423384A JP S6182103 A JPS6182103 A JP S6182103A
Authority
JP
Japan
Prior art keywords
capacitance
output
sensor
feedback
voltage
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
Application number
JP59204233A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0448165B2 (en]
Inventor
Seigo Ando
安藤　静吾
Yoshihiro Kawase
川瀬　芳広
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP59204233A priority Critical patent/JPS6182103A/ja
Publication of JPS6182103A publication Critical patent/JPS6182103A/ja
Publication of JPH0448165B2 publication Critical patent/JPH0448165B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
JP59204233A 1984-09-29 1984-09-29 帰還増幅型静電容量計 Granted JPS6182103A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59204233A JPS6182103A (ja) 1984-09-29 1984-09-29 帰還増幅型静電容量計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59204233A JPS6182103A (ja) 1984-09-29 1984-09-29 帰還増幅型静電容量計

Publications (2)

Publication Number Publication Date
JPS6182103A true JPS6182103A (ja) 1986-04-25
JPH0448165B2 JPH0448165B2 (en]) 1992-08-06

Family

ID=16487048

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59204233A Granted JPS6182103A (ja) 1984-09-29 1984-09-29 帰還増幅型静電容量計

Country Status (1)

Country Link
JP (1) JPS6182103A (en])

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003075484A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd 静電容量検出回路及び静電容量検出方法
JP2003075487A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd インピーダンス検出装置及び静電容量検出装置
JP2003075482A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd インピーダンス検出方法、静電容量検出方法及びそのための装置
JP2003075486A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd インピーダンス検出回路及び静電容量検出回路とその方法
JP2003075481A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd インピーダンス検出回路及び静電容量検出回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5728088U (en]) * 1980-07-23 1982-02-13
JPS5759101A (en) * 1980-09-26 1982-04-09 Hiromi Ogasawara Noncontacting infinitesimal displacement gauge

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5728088U (en]) * 1980-07-23 1982-02-13
JPS5759101A (en) * 1980-09-26 1982-04-09 Hiromi Ogasawara Noncontacting infinitesimal displacement gauge

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003075484A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd 静電容量検出回路及び静電容量検出方法
JP2003075487A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd インピーダンス検出装置及び静電容量検出装置
JP2003075482A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd インピーダンス検出方法、静電容量検出方法及びそのための装置
JP2003075486A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd インピーダンス検出回路及び静電容量検出回路とその方法
JP2003075481A (ja) * 2001-09-06 2003-03-12 Sumitomo Metal Ind Ltd インピーダンス検出回路及び静電容量検出回路

Also Published As

Publication number Publication date
JPH0448165B2 (en]) 1992-08-06

Similar Documents

Publication Publication Date Title
JPS6253762B2 (en])
TW448302B (en) Static capacitance-to-voltage converter and converting method
US4924172A (en) Capacitive sensor and electronic circuit for non-contact distance measurement
US4093915A (en) Capacitance measuring system
KR20010039758A (ko) 센서 신호 처리 장치
US3619805A (en) Noncontacting displacement transducer including an oscillator with cable-connected inductive probe
US4059797A (en) A.C. capacitance measuring bridge
JPS6182103A (ja) 帰還増幅型静電容量計
US4165483A (en) Capacitive pick-off circuit
US4167697A (en) Capacitive pick-off circuit
JP2863342B2 (ja) 測定装置のための動作設定方法
JPH0448166B2 (en])
TW591235B (en) Electrical potential fixing apparatus and potential fixing method
JPH0382108A (ja) 光計器用変圧器
JPS58165002A (ja) 誘電体フイルムの厚さ計測装置
TWI226522B (en) Potential fixing apparatus, potential fixing method and capacity measuring apparatus
JPH0552466B2 (en])
JPS62156090A (ja) レ−ザ加工におけるギヤツプ量検出装置
JPS58155302A (ja) 静電容量式変位計
JP2862761B2 (ja) 静電容量式アルコール濃度測定装置
JPS60203864A (ja) 検出装置
RU2037770C1 (ru) Измерительный преобразователь неэлектрических величин
JPH0692996B2 (ja) 静電容量センサ回路
SU842395A1 (ru) Устройство дл бесконтактного контро-л диАМЕТРА пРОВОдА
SU1196775A1 (ru) Устройство дл измерени переменного напр жени