JP2009238226A5 - - Google Patents

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Publication number
JP2009238226A5
JP2009238226A5 JP2009073085A JP2009073085A JP2009238226A5 JP 2009238226 A5 JP2009238226 A5 JP 2009238226A5 JP 2009073085 A JP2009073085 A JP 2009073085A JP 2009073085 A JP2009073085 A JP 2009073085A JP 2009238226 A5 JP2009238226 A5 JP 2009238226A5
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JP
Japan
Prior art keywords
phase
excitation
phase difference
excitation signal
frequency
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
JP2009073085A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009238226A (ja
JP5620646B2 (ja
Filing date
Publication date
Priority claimed from US12/054,548 external-priority patent/US7994800B2/en
Application filed filed Critical
Publication of JP2009238226A publication Critical patent/JP2009238226A/ja
Publication of JP2009238226A5 publication Critical patent/JP2009238226A5/ja
Application granted granted Critical
Publication of JP5620646B2 publication Critical patent/JP5620646B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2009073085A 2008-03-25 2009-03-25 オンライン位相較正用システム及び方法 Expired - Fee Related JP5620646B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/054,548 US7994800B2 (en) 2008-03-25 2008-03-25 Systems and methods for online phase calibration
US12/054,548 2008-03-25

Publications (3)

Publication Number Publication Date
JP2009238226A JP2009238226A (ja) 2009-10-15
JP2009238226A5 true JP2009238226A5 (enExample) 2012-05-10
JP5620646B2 JP5620646B2 (ja) 2014-11-05

Family

ID=41077968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009073085A Expired - Fee Related JP5620646B2 (ja) 2008-03-25 2009-03-25 オンライン位相較正用システム及び方法

Country Status (3)

Country Link
US (2) US7994800B2 (enExample)
JP (1) JP5620646B2 (enExample)
FR (1) FR2929465A1 (enExample)

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US8385496B1 (en) * 2010-10-21 2013-02-26 Altera Corporation Apparatus and methods of receiver offset calibration
US8876460B2 (en) 2011-08-11 2014-11-04 General Electric Company Method and apparatus for measuring turbine shell clearance
FR2988176B1 (fr) * 2012-03-13 2014-11-21 Nanotec Solution Procede de mesure capacitive entre un objet et un plan d’electrodes par demodulation synchrone partielle
US9417048B2 (en) 2012-10-31 2016-08-16 General Electric Company Capacitive sensor device and method of manufacture
US9587511B2 (en) 2013-12-13 2017-03-07 General Electric Company Turbomachine cold clearance adjustment
GB2528882A (en) 2014-08-01 2016-02-10 Bae Systems Plc Turbine blade monitoring
GB2528880A (en) 2014-08-01 2016-02-10 Bae Systems Plc Foreign object debris detection system and method
EP2983290B1 (en) * 2014-08-07 2017-12-20 Nxp B.V. Circuit for detecting phase shift applied to an RF signal
JP6317455B2 (ja) 2014-08-29 2018-04-25 京セラ株式会社 センサ装置およびセンシング方法
US10495677B2 (en) * 2015-05-14 2019-12-03 General Electric Technology Gmbh Angle-based management of a power grid system
US10765109B1 (en) * 2017-09-29 2020-09-08 Florida A&M University Dielectric detector for pest infestations
US10382094B2 (en) * 2017-11-28 2019-08-13 International Business Machines Corporation Cable tracking by electromagnetic emission
US11082015B2 (en) * 2018-11-05 2021-08-03 Andrew Wireless Systems Gmbh Methods and apparatuses for reflection measurements
FR3145808B1 (fr) * 2023-02-13 2025-02-28 Schneider Electric Ind Sas Procédé et système de calibration de mesures de tension dans un système de mesure de grandeurs électriques
CN115902400B (zh) * 2023-02-15 2023-06-16 保定正恒电力科技有限公司 一种基于计量芯片的异地非同步角差的测量装置及方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0450543Y2 (enExample) 1985-08-30 1992-11-27
EP0234112B1 (en) * 1986-01-17 1992-03-04 Marconi Instruments Limited Six-port reflectometer test arrangement
US5070302A (en) 1989-09-05 1991-12-03 Eastman Kodak Company Capacitance probe for measuring a width of a clearance between parts
US5166626A (en) 1990-05-29 1992-11-24 General Electric Company Electrical capacitance clearanceometer
JPH06147812A (ja) * 1992-11-09 1994-05-27 Daikin Ind Ltd 回転体の位置検出装置
US5592113A (en) * 1995-03-28 1997-01-07 National Semiconductor Corp. Gradual frequency changing circuit
JPH08278336A (ja) * 1995-04-10 1996-10-22 Murata Mfg Co Ltd 静電センサ装置
US7332915B2 (en) 2004-09-28 2008-02-19 General Electric Company Sensor system and method of operating the same
JP4751601B2 (ja) * 2004-09-30 2011-08-17 住友大阪セメント株式会社 光変調器
US7180305B2 (en) 2004-12-14 2007-02-20 General Electric Company Sensor systems and methods of operation
US7722310B2 (en) 2004-12-17 2010-05-25 General Electric Company System and method for measuring clearance between two objects
US8591188B2 (en) 2005-04-26 2013-11-26 General Electric Company Displacement sensor system and method of operation
US7333913B2 (en) * 2005-06-27 2008-02-19 General Electric Company Clearance measurement system and method of operation
US7466143B2 (en) 2005-09-16 2008-12-16 General Electric Company Clearance measurement systems and methods of operation
US7215129B1 (en) 2006-03-30 2007-05-08 General Electric Company Multi tip clearance measurement system and method of operation
US7404331B2 (en) 2006-09-27 2008-07-29 General Electric Company Sensor assembly, transformers and methods of manufacture
US8022715B2 (en) * 2009-01-27 2011-09-20 General Electric Company Automated sensor specific calibration through sensor parameter download

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