DE69430847T2 - Konstantstromgespeister zweidrahtwandler - Google Patents

Konstantstromgespeister zweidrahtwandler

Info

Publication number
DE69430847T2
DE69430847T2 DE69430847T DE69430847T DE69430847T2 DE 69430847 T2 DE69430847 T2 DE 69430847T2 DE 69430847 T DE69430847 T DE 69430847T DE 69430847 T DE69430847 T DE 69430847T DE 69430847 T2 DE69430847 T2 DE 69430847T2
Authority
DE
Germany
Prior art keywords
stage
power supplied
constant power
transducer
acceleration signal
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.)
Expired - Fee Related
Application number
DE69430847T
Other languages
English (en)
Other versions
DE69430847D1 (de
Inventor
Don Li
Lam Campbell
Todd Busch
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.)
Bently Nevada Inc
Original Assignee
Bently Nevada Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22308248&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69430847(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bently Nevada Inc filed Critical Bently Nevada Inc
Publication of DE69430847D1 publication Critical patent/DE69430847D1/de
Application granted granted Critical
Publication of DE69430847T2 publication Critical patent/DE69430847T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H03F3/347—DC amplifiers in which all stages are DC-coupled with semiconductor devices only in integrated circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Amplifiers (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE69430847T 1993-08-11 1994-08-09 Konstantstromgespeister zweidrahtwandler Expired - Fee Related DE69430847T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/105,873 US5477735A (en) 1993-08-11 1993-08-11 Two-wire constant current powered transducer
PCT/US1994/009098 WO1995005584A2 (en) 1993-08-11 1994-08-09 Two-wire constant current powered transducer

Publications (2)

Publication Number Publication Date
DE69430847D1 DE69430847D1 (de) 2002-07-25
DE69430847T2 true DE69430847T2 (de) 2002-11-28

Family

ID=22308248

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69430847T Expired - Fee Related DE69430847T2 (de) 1993-08-11 1994-08-09 Konstantstromgespeister zweidrahtwandler

Country Status (7)

Country Link
US (2) US5477735A (de)
EP (1) EP0720728B1 (de)
JP (1) JP3305325B2 (de)
AT (1) ATE219611T1 (de)
AU (1) AU7669694A (de)
DE (1) DE69430847T2 (de)
WO (1) WO1995005584A2 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6425293B1 (en) 1999-03-13 2002-07-30 Textron Systems Corporation Sensor plug
US6694285B1 (en) 1999-03-13 2004-02-17 Textron System Corporation Method and apparatus for monitoring rotating machinery
US6510397B1 (en) 1999-03-13 2003-01-21 Textron Systems Corporation Method and apparatus for self-diagnosis of a sensor
US6546814B1 (en) 1999-03-13 2003-04-15 Textron Systems Corporation Method and apparatus for estimating torque in rotating machinery
WO2007114870A2 (en) * 2005-12-13 2007-10-11 Tk Holdings Inc. Electronics Signal processing system and method
CA2389519A1 (en) 1999-12-22 2001-06-28 Wabash Technology Corporation Vehicle axle end wheel speed sensor
US6276213B1 (en) * 1999-12-23 2001-08-21 Maars, Incorporated Signal conditioner for a vibration sensor
DE10102791B4 (de) * 2001-01-22 2004-04-15 Ifm Electronic Gmbh Elektrischer Meßumformer
US7120427B1 (en) * 2001-03-19 2006-10-10 Cisco Systems Wireless Networking (Australia) Pty Limited CMOS wireless transceiver with programmable characteristics
US6556077B2 (en) * 2001-03-20 2003-04-29 Texas Instruments Incorporated Instrumentation amplifier with improved AC common mode rejection performance
US6504409B1 (en) * 2001-04-17 2003-01-07 K-Tek Corporation Controller for generating a periodic signal with an adjustable duty cycle
US6853227B2 (en) 2001-04-17 2005-02-08 K-Tek Corporation Controller for generating a periodic signal with an adjustable duty cycle
US6803757B2 (en) 2001-10-02 2004-10-12 Bentley Nevada, Llc Multi-coil eddy current proximity probe system
WO2005008776A2 (en) * 2003-07-16 2005-01-27 Koninklijke Philips Electronics N.V. Input stage resistant against negative voltage swings
US7570068B2 (en) * 2003-09-19 2009-08-04 Tk Holdings, Inc. Signal processing system and method
US7664612B2 (en) * 2003-09-19 2010-02-16 T K Holdings, Inc. Signal processing system and method
US7564249B2 (en) * 2003-12-21 2009-07-21 Tk Holdings, Inc. Signal processing system and method
US6998913B2 (en) * 2004-06-14 2006-02-14 Brookhaven Science Associates, Llc Method and apparatus for linear low-frequency feedback in monolithic low-noise charge amplifiers
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US8444124B2 (en) * 2007-08-15 2013-05-21 Honda Motor Co., Ltd. Engine natural vibration frequency detection method, active vibration isolation support device control method, engine natural vibration frequency detection apparatus, active vibration isolation support device control apparatus, active vibration isolation support device, and vibration frequency detection apparatus for vibrating body
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US8051712B2 (en) * 2008-10-15 2011-11-08 General Electric Company Electronic stator end winding accelerometer sensor
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Ｒｆ 전력 송신, 변조 및 증폭 시스템들 및 방법들
WO2012167111A2 (en) 2011-06-02 2012-12-06 Parkervision, Inc. Antenna control
TWI447556B (zh) * 2011-06-14 2014-08-01 Novatek Microelectronics Corp 快速反應電流源
US8576011B2 (en) * 2011-06-29 2013-11-05 Qualcomm Incorporated Amplifier with high power supply noise rejection
CH706309A1 (de) * 2012-03-26 2013-09-30 Kistler Holding Ag Elektronische Schaltung.
RU2536097C1 (ru) * 2013-06-04 2014-12-20 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" Измеритель вибрации
EP3047348A4 (de) 2013-09-17 2016-09-07 Parkervision Inc Verfahren, vorrichtung und system für die darstellung einer datenträgerzeitfunktion
CZ2016415A3 (cs) * 2016-07-07 2017-08-09 ViDiTech spol. s r.o. Zařízení pro snímání vibrací
RU175143U1 (ru) * 2017-01-31 2017-11-23 Акционерное общество "Вибро-прибор" Пьезоэлектрический измерительный преобразователь виброскорости
CZ308713B6 (cs) * 2017-03-08 2021-03-17 ViDiTech spol. s r.o. Zařízení pro snímání vibrací
RU2693928C1 (ru) * 2018-08-21 2019-07-05 Общество с ограниченной ответственностью "Научно-Технический Центр "Завод Балансировочных Машин" Устройство для передачи аналоговых сигналов от датчиков по двухпроводной линии
RU2688257C1 (ru) * 2018-08-21 2019-05-21 Общество с ограниченной ответственностью "Научно-Технический Центр "Завод Балансировочных Машин" Устройство для передачи сигналов от многокомпонентного датчика вибрации с встроенной электроникой
US11309855B2 (en) 2020-02-10 2022-04-19 Meggitt (Orange County), Inc. Charge amplifier circuit for high-temperature piezoelectric transducers
KR102446647B1 (ko) * 2020-11-12 2022-09-23 (주)케이에스피 정수기의 수위 감지 장치 및 수위 감지 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860481A (en) * 1973-01-29 1975-01-14 Westinghouse Electric Corp Metal impact monitor
US4328441A (en) * 1980-01-31 1982-05-04 Minnesota Mining And Manufacturing Company Output circuit for piezoelectric polymer pressure sensor
US4350959A (en) * 1980-04-14 1982-09-21 The United States Of America As Represented By The Secretary Of The Navy Feedback signal amplifier
US4479093A (en) * 1981-12-03 1984-10-23 Inventab Audio Kb Amplifier having high common mode rejection
US4612620A (en) * 1983-06-06 1986-09-16 Ird Mechanalysis, Inc. Apparatus for collecting scheduled maintenance data
JPS62272705A (ja) * 1986-05-21 1987-11-26 Yamaha Corp 増幅回路
US4843344A (en) * 1986-10-09 1989-06-27 Monroe Electronics, Inc. High voltage amplifier
US4885707A (en) * 1987-02-19 1989-12-05 Dli Corporation Vibration data collecting and processing apparatus and method
US4994693A (en) * 1989-11-30 1991-02-19 Northern Telecom Limited Second order active filters

Also Published As

Publication number Publication date
AU7669694A (en) 1995-03-14
JPH09505392A (ja) 1997-05-27
EP0720728A4 (de) 1997-04-09
DE69430847D1 (de) 2002-07-25
US5792956A (en) 1998-08-11
EP0720728A1 (de) 1996-07-10
EP0720728B1 (de) 2002-06-19
ATE219611T1 (de) 2002-07-15
JP3305325B2 (ja) 2002-07-22
WO1995005584A3 (en) 1995-03-30
US5477735A (en) 1995-12-26
WO1995005584A2 (en) 1995-02-23

Similar Documents

Publication Publication Date Title
DE69430847T2 (de) Konstantstromgespeister zweidrahtwandler
DE3888919D1 (de) Ultraschallwandler und Stromschleifensender.
EP0377948A3 (de) Optische Verstärkervorrichtung
ES2046554T5 (es) Metodo para controlar una transmision mecanica automatica incluyendo deteccion de errores y tolerancia de señal del captador de velocidad.
DE69429698T2 (de) Optischer Verstärker
ATE75355T1 (de) Optischer empfaenger.
GB2245121B (en) Telemetry
MY104133A (en) Circuit for conversion.
EP0240618A3 (de) Leistungspufferschaltung
ES2132080T3 (es) Aparato para la conversion fotoelectrica.
EP0400819A3 (de) Betriebsverstärker mit niedrigem Vorspannungsstrom und hoher Anstiegsgeschwindigkeit
KR860007637A (ko) 바이모프 헤드의 바이모프 구동장치
KR840002170A (ko) 무선조종용 모우터구동을 위한 선형집적회로
MX9602957A (es) Etapa de salida de un amplificador operacional adecuado para montarse sobre un substrato y metodo de amplificacion con el mismo.
KR930017292A (ko) 신호처리회로
KR970009193A (ko) 영상출력장치의 동기신호분리회로
GB1480389A (en) Amplifier circuits
JPS57181236A (en) Waveform amplification detecting system
ES2043695T3 (es) Dispositivo de conexion para un regulador electronico analogico.
JPS56169443A (en) Detecting circuit for input signal interruption
GB8912462D0 (en) Processing circuit for optical combustion monitor
KR920005460A (ko) 증폭회로
GB1465595A (en) Fast null balance circuit
JPS56154682A (en) Pulse light detecting circuit
JPS6471334A (en) Optical receiver

Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee