DE69014658T2 - Verfahren und Vorrichtung zur Signalgewinnung. - Google Patents

Verfahren und Vorrichtung zur Signalgewinnung.

Info

Publication number
DE69014658T2
DE69014658T2 DE69014658T DE69014658T DE69014658T2 DE 69014658 T2 DE69014658 T2 DE 69014658T2 DE 69014658 T DE69014658 T DE 69014658T DE 69014658 T DE69014658 T DE 69014658T DE 69014658 T2 DE69014658 T2 DE 69014658T2
Authority
DE
Germany
Prior art keywords
signal acquisition
acquisition
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
DE69014658T
Other languages
English (en)
Other versions
DE69014658D1 (de
Inventor
Alan James Cook
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries 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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Application granted granted Critical
Publication of DE69014658D1 publication Critical patent/DE69014658D1/de
Publication of DE69014658T2 publication Critical patent/DE69014658T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/10—Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
    • G01L1/103—Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings optical excitation or measuring of vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69014658T 1989-01-06 1990-01-04 Verfahren und Vorrichtung zur Signalgewinnung. Expired - Fee Related DE69014658T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898900304A GB8900304D0 (en) 1989-01-06 1989-01-06 Signal extraction apparatus

Publications (2)

Publication Number Publication Date
DE69014658D1 DE69014658D1 (de) 1995-01-19
DE69014658T2 true DE69014658T2 (de) 1995-04-20

Family

ID=10649712

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69014658T Expired - Fee Related DE69014658T2 (de) 1989-01-06 1990-01-04 Verfahren und Vorrichtung zur Signalgewinnung.

Country Status (5)

Country Link
US (1) US5115128A (de)
EP (1) EP0381309B1 (de)
JP (1) JPH03197817A (de)
DE (1) DE69014658T2 (de)
GB (1) GB8900304D0 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689632B1 (fr) * 1992-04-02 1997-09-19 Thomson Csf Detecteur a fibre optique de contraintes.
GB9507977D0 (en) * 1995-04-19 1995-06-07 Gen Electric Co Plc Synchronous detector circuit arrangement
US6425408B1 (en) * 1995-08-02 2002-07-30 Marcus J. Engle Vacuum transfer system utilizing biased ball
FR2788490B1 (fr) * 1999-01-19 2001-03-30 Sparflex Procede d'orientation d'une bouteille comportant un motif en relief sur son col et dispositif de mise en oeuvre
US6855115B2 (en) * 2002-01-22 2005-02-15 Cardiomems, Inc. Implantable wireless sensor for pressure measurement within the heart
US7699059B2 (en) * 2002-01-22 2010-04-20 Cardiomems, Inc. Implantable wireless sensor
US7147604B1 (en) 2002-08-07 2006-12-12 Cardiomems, Inc. High Q factor sensor
US8026729B2 (en) 2003-09-16 2011-09-27 Cardiomems, Inc. System and apparatus for in-vivo assessment of relative position of an implant
WO2005027998A2 (en) * 2003-09-16 2005-03-31 Cardiomems, Inc. Implantable wireless sensor
US7245117B1 (en) * 2004-11-01 2007-07-17 Cardiomems, Inc. Communicating with implanted wireless sensor
US7647836B2 (en) * 2005-02-10 2010-01-19 Cardiomems, Inc. Hermetic chamber with electrical feedthroughs
US7662653B2 (en) * 2005-02-10 2010-02-16 Cardiomems, Inc. Method of manufacturing a hermetic chamber with electrical feedthroughs
US8021307B2 (en) 2005-03-03 2011-09-20 Cardiomems, Inc. Apparatus and method for sensor deployment and fixation
US8118749B2 (en) * 2005-03-03 2012-02-21 Cardiomems, Inc. Apparatus and method for sensor deployment and fixation
US7621036B2 (en) * 2005-06-21 2009-11-24 Cardiomems, Inc. Method of manufacturing implantable wireless sensor for in vivo pressure measurement
WO2007002185A2 (en) 2005-06-21 2007-01-04 Cardiomems, Inc. Method of manufacturing implantable wireless sensor for in vivo pressure measurement
EP1993436B1 (de) * 2006-03-14 2014-06-11 CardioMems, Inc. Kommunikation mit einem implantierten drahtlosen sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420130B (sv) * 1980-01-24 1981-09-14 Asea Ab Optiskt metdon for metning av kraft eller tryck
US4379226A (en) * 1981-02-02 1983-04-05 Siemens Corporation Method and sensor device for measuring a physical parameter utilizing an oscillatory, light modulation element
SE435967B (sv) * 1982-04-01 1984-10-29 Asea Ab Fiberoptiskt luminiscensmetdon
GB2121953B (en) * 1982-06-10 1985-09-04 Itt Ind Ltd Improvements in transducers
GB8530809D0 (en) * 1985-12-13 1986-01-22 Gen Electric Co Plc Sensor
US4933545A (en) * 1985-12-30 1990-06-12 Metricor, Inc. Optical pressure-sensing system using optical resonator cavity
GB2197069B (en) * 1986-11-03 1990-10-24 Stc Plc Sensor device

Also Published As

Publication number Publication date
US5115128A (en) 1992-05-19
JPH03197817A (ja) 1991-08-29
DE69014658D1 (de) 1995-01-19
EP0381309A2 (de) 1990-08-08
GB8900304D0 (en) 1989-03-08
EP0381309A3 (de) 1991-07-10
EP0381309B1 (de) 1994-12-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee