DK462084A - Krafttransducer - Google Patents

Krafttransducer Download PDF

Info

Publication number
DK462084A
DK462084A DK462084A DK462084A DK462084A DK 462084 A DK462084 A DK 462084A DK 462084 A DK462084 A DK 462084A DK 462084 A DK462084 A DK 462084A DK 462084 A DK462084 A DK 462084A
Authority
DK
Denmark
Prior art keywords
force transducer
transducer
force
Prior art date
Application number
DK462084A
Other languages
Danish (da)
English (en)
Other versions
DK462084D0 (da
Inventor
J Scott Strachan
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of DK462084D0 publication Critical patent/DK462084D0/da
Publication of DK462084A publication Critical patent/DK462084A/da

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
    • G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
    • G01L1/162—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Surgical Instruments (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Dry Shavers And Clippers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DK462084A 1983-09-28 1984-09-27 Krafttransducer DK462084A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838325861A GB8325861D0 (en) 1983-09-28 1983-09-28 Force transducer

Publications (2)

Publication Number Publication Date
DK462084D0 DK462084D0 (da) 1984-09-27
DK462084A true DK462084A (da) 1985-03-29

Family

ID=10549371

Family Applications (1)

Application Number Title Priority Date Filing Date
DK462084A DK462084A (da) 1983-09-28 1984-09-27 Krafttransducer

Country Status (8)

Country Link
US (2) US4600855A (de)
EP (1) EP0139495B1 (de)
JP (1) JPS60150680A (de)
CA (1) CA1218869A (de)
DE (1) DE3478141D1 (de)
DK (1) DK462084A (de)
GB (2) GB8325861D0 (de)
MX (1) MX158593A (de)

Families Citing this family (125)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8325861D0 (en) * 1983-09-28 1983-11-02 Syrinx Presicion Instr Ltd Force transducer
US4959067A (en) * 1983-11-21 1990-09-25 Joseph J. Berke Manual surgical separator structure and method
NL8501908A (nl) * 1985-07-03 1987-02-02 Tno Tastsensor.
US4723087A (en) * 1985-09-09 1988-02-02 Raychem Ltd. Piezoelectric impact sensor
EP0226572B1 (de) * 1985-12-20 1991-11-06 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Messwertaufnehmer mit einem flexiblen piezoelektrischen Film als Messelement
GB2200450B (en) * 1986-12-17 1990-10-24 Fuji Electric Co Ltd Apparatus for detecting resonant frequency of a vibratory mem ber
US4727277A (en) * 1987-01-09 1988-02-23 Tello Adams Electronic bubble detector apparatus
GB2201318B (en) * 1987-02-12 1990-10-24 Udi Group Ltd Electromechanical transducer
US4784151A (en) * 1987-03-30 1988-11-15 Medex, Inc. Tubular pressure transducer
US4833360A (en) * 1987-05-15 1989-05-23 Board Of Regents The University Of Texas System Sonar system using acoustically transparent continuous aperture transducers for multiple beam beamformation
WO1989001311A1 (en) * 1987-08-18 1989-02-23 Medex, Inc. Tubular pressure transducer
US4831370A (en) * 1988-01-05 1989-05-16 Honeywell Inc. Vibrating fiber optic display having a resonant ribbon driver
US4843275A (en) * 1988-01-19 1989-06-27 Pennwalt Corporation Air buoyant piezoelectric polymeric film microphone
JPH02197183A (ja) * 1988-03-29 1990-08-03 Pennwalt Corp 積層圧電構造及びその形成方法
US5201322A (en) * 1988-08-17 1993-04-13 Elf Atochem North America, Inc. Device for detecting air flow through a passageway
US4954811A (en) * 1988-11-29 1990-09-04 Pennwalt Corporation Penetration sensor
US4987898A (en) * 1989-01-17 1991-01-29 Noninvasive Medical Incorporated Method and device for the non-invasive measurement of pressure
US4980598A (en) * 1989-12-21 1990-12-25 Lucas Schaevitz Inc. Monolithic resonator for a vibrating beam accelerometer
US5367292A (en) * 1990-06-18 1994-11-22 Istvan Szoke Warning apparatus for a tracheotomy tube
US5089741A (en) * 1990-07-19 1992-02-18 Atochem North America, Inc. Piezofilm impact detector with pyro effect elimination
GB2246629A (en) * 1990-07-26 1992-02-05 Secr Defence Measuring fluid-borne vibrations in pipes
SE468656B (sv) * 1990-10-19 1993-02-22 Rydborn S A O Anordning foer omvandling av mekanisk paaverkan till en elektrisk signal
JP3151927B2 (ja) * 1992-04-10 2001-04-03 株式会社村田製作所 加速度センサ
US5591900A (en) * 1992-12-04 1997-01-07 Trw Vehicle Safety Systems Inc. Method and apparatus for testing fluid pressure in a sealed vessel
US5471192A (en) * 1994-01-24 1995-11-28 Dash; Glen Sound producing device stimulated by petting
US5477217A (en) * 1994-02-18 1995-12-19 International Road Dynamics Bidirectional road traffic sensor
WO1995024630A1 (en) * 1994-03-07 1995-09-14 Joseph Goodbread Method and device for measuring the characteristics of an oscillating system
US6216545B1 (en) * 1995-11-14 2001-04-17 Geoffrey L. Taylor Piezoresistive foot pressure measurement
US5973441A (en) * 1996-05-15 1999-10-26 American Research Corporation Of Virginia Piezoceramic vibrotactile transducer based on pre-compressed arch
US6015387A (en) * 1997-03-20 2000-01-18 Medivas, Llc Implantation devices for monitoring and regulating blood flow
US6431175B1 (en) 1997-12-30 2002-08-13 Remon Medical Technologies Ltd. System and method for directing and monitoring radiation
US6140740A (en) * 1997-12-30 2000-10-31 Remon Medical Technologies, Ltd. Piezoelectric transducer
US20030036746A1 (en) 2001-08-16 2003-02-20 Avi Penner Devices for intrabody delivery of molecules and systems and methods utilizing same
US6475170B1 (en) 1997-12-30 2002-11-05 Remon Medical Technologies Ltd Acoustic biosensor for monitoring physiological conditions in a body implantation site
US6486588B2 (en) * 1997-12-30 2002-11-26 Remon Medical Technologies Ltd Acoustic biosensor for monitoring physiological conditions in a body implantation site
US6394977B1 (en) 1998-03-25 2002-05-28 Merit Medical Systems, Inc. Pressure gauge with digital stepping motor and reusable transfer plug
DE19819452C1 (de) * 1998-04-30 2000-01-20 Boerder Klaus Verfahren und Vorrichtung zur elektroakustischen Übertragung von Schallenergie
US6106477A (en) * 1998-12-28 2000-08-22 Medtronic, Inc. Chronically implantable blood vessel cuff with sensor
US6077227A (en) * 1998-12-28 2000-06-20 Medtronic, Inc. Method for manufacture and implant of an implantable blood vessel cuff
US6301973B1 (en) 1999-04-30 2001-10-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Non-intrusive pressure/multipurpose sensor and method
FR2796514B1 (fr) * 1999-07-13 2001-08-17 Inst Francais Du Petrole Hydrophone a faible taux de distorsion
US6277078B1 (en) 1999-11-19 2001-08-21 Remon Medical Technologies, Ltd. System and method for monitoring a parameter associated with the performance of a heart
DE10025561A1 (de) * 2000-05-24 2001-12-06 Siemens Ag Energieautarker Hochfrequenzsender
US6532822B1 (en) * 2000-09-26 2003-03-18 Clark Davis Boyd Resonant torsion pendulum pressure sensor
US7024248B2 (en) 2000-10-16 2006-04-04 Remon Medical Technologies Ltd Systems and methods for communicating with implantable devices
DE60235173D1 (de) 2001-07-03 2010-03-11 Face Internat Corp Selbstversorgendes schalterinitialisierungssystem
DE10150128C2 (de) * 2001-10-11 2003-10-02 Enocean Gmbh Drahtloses Sensorsystem
EP1434526A1 (de) * 2001-10-12 2004-07-07 Boston Scientific Limited Katheter mit piezo elementen zur diagnose von läsionen
US7677411B2 (en) * 2002-05-10 2010-03-16 Oriel Therapeutics, Inc. Apparatus, systems and related methods for processing, dispensing and/or evaluatingl dry powders
US7118010B2 (en) * 2002-05-10 2006-10-10 Oriel Therapeutics, Inc. Apparatus, systems and related methods for dispensing and /or evaluating dry powders
US6985798B2 (en) * 2002-05-10 2006-01-10 Oriel Therapeutics, Inc. Dry powder dose filling systems and related methods
US6889690B2 (en) * 2002-05-10 2005-05-10 Oriel Therapeutics, Inc. Dry powder inhalers, related blister devices, and associated methods of dispensing dry powder substances and fabricating blister packages
AUPS264302A0 (en) * 2002-05-29 2002-06-20 Neopraxis Pty Ltd Implantable bladder sensor
US6894427B2 (en) * 2002-06-24 2005-05-17 Dymedix Corp. Nasal vibration transducer
SI1535349T1 (sl) * 2002-06-27 2014-10-30 Oriel Therapeutics, Inc. Naprave, sistemi in ustrezni postopki za predelavo, izdajo in/ali vrednotenje nefarmacevtskih suhih praškov
AU2003903726A0 (en) * 2003-07-18 2003-07-31 Ventracor Limited A device for detecting heart pumping state
US20060287590A1 (en) * 2003-09-18 2006-12-21 Mceowen Edwin L Noninvasive vital sign measurement device
US7559894B2 (en) * 2003-09-18 2009-07-14 New Paradigm Concepts, LLC Multiparameter whole blood monitor and method
US7241260B2 (en) * 2003-09-19 2007-07-10 Neopraxis Pty. Limited Sphincteric control system
US7377277B2 (en) * 2003-10-27 2008-05-27 Oriel Therapeutics, Inc. Blister packages with frames and associated methods of fabricating dry powder drug containment systems
US7451761B2 (en) * 2003-10-27 2008-11-18 Oriel Therapeutics, Inc. Dry powder inhalers, related blister package indexing and opening mechanisms, and associated methods of dispensing dry powder substances
US20050165317A1 (en) * 2003-11-04 2005-07-28 Turner Nicholas M. Medical devices
US7416530B2 (en) * 2003-11-04 2008-08-26 L & P 100 Limited Medical devices
US20060064133A1 (en) 2004-09-17 2006-03-23 Cardiac Pacemakers, Inc. System and method for deriving relative physiologic measurements using an external computing device
US7059196B1 (en) * 2004-11-22 2006-06-13 Honeywell International Inc. Disposable wireless pressure sensor
US7580750B2 (en) * 2004-11-24 2009-08-25 Remon Medical Technologies, Ltd. Implantable medical device with integrated acoustic transducer
US7813808B1 (en) 2004-11-24 2010-10-12 Remon Medical Technologies Ltd Implanted sensor system with optimized operational and sensing parameters
US7522962B1 (en) 2004-12-03 2009-04-21 Remon Medical Technologies, Ltd Implantable medical device with integrated acoustic transducer
US7775966B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. Non-invasive pressure measurement in a fluid adjustable restrictive device
US7658196B2 (en) 2005-02-24 2010-02-09 Ethicon Endo-Surgery, Inc. System and method for determining implanted device orientation
US7927270B2 (en) 2005-02-24 2011-04-19 Ethicon Endo-Surgery, Inc. External mechanical pressure sensor for gastric band pressure measurements
US7775215B2 (en) 2005-02-24 2010-08-17 Ethicon Endo-Surgery, Inc. System and method for determining implanted device positioning and obtaining pressure data
US8016744B2 (en) 2005-02-24 2011-09-13 Ethicon Endo-Surgery, Inc. External pressure-based gastric band adjustment system and method
US8066629B2 (en) 2005-02-24 2011-11-29 Ethicon Endo-Surgery, Inc. Apparatus for adjustment and sensing of gastric band pressure
US7699770B2 (en) 2005-02-24 2010-04-20 Ethicon Endo-Surgery, Inc. Device for non-invasive measurement of fluid pressure in an adjustable restriction device
US7314454B2 (en) * 2005-06-07 2008-01-01 Mallinger Joseph C Method of preventing eye-related positional injuries during spinal surgery
US7570998B2 (en) * 2005-08-26 2009-08-04 Cardiac Pacemakers, Inc. Acoustic communication transducer in implantable medical device header
US7615012B2 (en) * 2005-08-26 2009-11-10 Cardiac Pacemakers, Inc. Broadband acoustic sensor for an implantable medical device
US7742815B2 (en) 2005-09-09 2010-06-22 Cardiac Pacemakers, Inc. Using implanted sensors for feedback control of implanted medical devices
US7380459B1 (en) 2006-01-17 2008-06-03 Irvine Sensors Corp. Absolute pressure sensor
US7804222B2 (en) * 2006-03-02 2010-09-28 Dell Products L.P. Method of optimizing drive frequency for piezo fan device
US8152710B2 (en) 2006-04-06 2012-04-10 Ethicon Endo-Surgery, Inc. Physiological parameter analysis for an implantable restriction device and a data logger
US8870742B2 (en) 2006-04-06 2014-10-28 Ethicon Endo-Surgery, Inc. GUI for an implantable restriction device and a data logger
EP2043740A2 (de) 2006-07-21 2009-04-08 Cardiac Pacemakers, Inc. Ultraschallwandler für eine in einem metallischen hohlraum implantierbare medizinische vorrichtung
US7912548B2 (en) 2006-07-21 2011-03-22 Cardiac Pacemakers, Inc. Resonant structures for implantable devices
US7955268B2 (en) 2006-07-21 2011-06-07 Cardiac Pacemakers, Inc. Multiple sensor deployment
US8825161B1 (en) 2007-05-17 2014-09-02 Cardiac Pacemakers, Inc. Acoustic transducer for an implantable medical device
JP2010528814A (ja) 2007-06-14 2010-08-26 カーディアック ペースメイカーズ， インコーポレイテッド 多素子音響再充電システム
FR2919050B1 (fr) * 2007-07-20 2012-03-23 Centre Nat Rech Scient Jauge de contrainte de type structure resonante acoustique et capteur d'au moins un parametre physique utilisant une telle jauge de contrainte.
US8187163B2 (en) 2007-12-10 2012-05-29 Ethicon Endo-Surgery, Inc. Methods for implanting a gastric restriction device
US8100870B2 (en) 2007-12-14 2012-01-24 Ethicon Endo-Surgery, Inc. Adjustable height gastric restriction devices and methods
US8377079B2 (en) 2007-12-27 2013-02-19 Ethicon Endo-Surgery, Inc. Constant force mechanisms for regulating restriction devices
US8142452B2 (en) 2007-12-27 2012-03-27 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8337389B2 (en) 2008-01-28 2012-12-25 Ethicon Endo-Surgery, Inc. Methods and devices for diagnosing performance of a gastric restriction system
US8591395B2 (en) 2008-01-28 2013-11-26 Ethicon Endo-Surgery, Inc. Gastric restriction device data handling devices and methods
US8192350B2 (en) 2008-01-28 2012-06-05 Ethicon Endo-Surgery, Inc. Methods and devices for measuring impedance in a gastric restriction system
US8221439B2 (en) 2008-02-07 2012-07-17 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using kinetic motion
US7844342B2 (en) 2008-02-07 2010-11-30 Ethicon Endo-Surgery, Inc. Powering implantable restriction systems using light
US8114345B2 (en) 2008-02-08 2012-02-14 Ethicon Endo-Surgery, Inc. System and method of sterilizing an implantable medical device
WO2009102613A2 (en) 2008-02-11 2009-08-20 Cardiac Pacemakers, Inc. Methods of monitoring hemodynamic status for ryhthm discrimination within the heart
WO2009102640A1 (en) 2008-02-12 2009-08-20 Cardiac Pacemakers, Inc. Systems and methods for controlling wireless signal transfers between ultrasound-enabled medical devices
US8057492B2 (en) 2008-02-12 2011-11-15 Ethicon Endo-Surgery, Inc. Automatically adjusting band system with MEMS pump
US8591532B2 (en) 2008-02-12 2013-11-26 Ethicon Endo-Sugery, Inc. Automatically adjusting band system
US8034065B2 (en) 2008-02-26 2011-10-11 Ethicon Endo-Surgery, Inc. Controlling pressure in adjustable restriction devices
US8187162B2 (en) 2008-03-06 2012-05-29 Ethicon Endo-Surgery, Inc. Reorientation port
US8233995B2 (en) 2008-03-06 2012-07-31 Ethicon Endo-Surgery, Inc. System and method of aligning an implantable antenna
EP2313036A1 (de) 2008-05-02 2011-04-27 Dymedix Corporation Agitator zur stimulierung des zentralen nervensystems
US20100049265A1 (en) 2008-08-22 2010-02-25 Dymedix Corporation EMI/ESD hardened sensor interface for a closed loop neuromodulator
EP2334230A1 (de) 2008-10-10 2011-06-22 Cardiac Pacemakers, Inc. Systeme und verfahren zur bestimmung des herzminutenvolumens anhand von messungen des lungenarteriendrucks
US8632470B2 (en) 2008-11-19 2014-01-21 Cardiac Pacemakers, Inc. Assessment of pulmonary vascular resistance via pulmonary artery pressure
US20100222878A1 (en) * 2009-02-27 2010-09-02 Thoratec Corporation Blood pump system with arterial pressure monitoring
US20100222633A1 (en) * 2009-02-27 2010-09-02 Victor Poirier Blood pump system with controlled weaning
US8562507B2 (en) 2009-02-27 2013-10-22 Thoratec Corporation Prevention of aortic valve fusion
US8449444B2 (en) * 2009-02-27 2013-05-28 Thoratec Corporation Blood flow meter
US20100222635A1 (en) * 2009-02-27 2010-09-02 Thoratec Corporation Maximizing blood pump flow while avoiding left ventricle collapse
US20110238177A1 (en) * 2010-03-25 2011-09-29 Joseph Anthony Farco Biomechatronic Device
CA2811604A1 (en) 2010-09-24 2012-03-29 Thoratec Corporation Control of circulatory assist systems
US8506471B2 (en) 2010-09-24 2013-08-13 Thoratec Corporation Generating artificial pulse
AU2014209143B2 (en) 2013-01-24 2018-05-24 Alio, Inc. Method and apparatus for measuring flow through a lumen
US9694123B2 (en) 2014-04-15 2017-07-04 Tc1 Llc Methods and systems for controlling a blood pump
US9924905B2 (en) 2015-03-09 2018-03-27 Graftworx, Inc. Sensor position on a prosthesis for detection of a stenosis
WO2018049412A1 (en) 2016-09-12 2018-03-15 Graftworx, Inc. Wearable device with multimodal diagnostics
WO2019195910A1 (pt) * 2018-04-12 2019-10-17 Faculdades Católicas Conjunto e método para medição de vazão de fluido
US11585700B2 (en) * 2020-12-02 2023-02-21 POSTECH Research and Business Development Foundation Stretchable sensor for sensing multimodal temperature and strain
US20240016404A1 (en) * 2020-12-16 2024-01-18 iNDTact GmbH Measuring device for non-invasively detecting the intracranial pressure of a patient, and corresponding method

Family Cites Families (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558563A (en) * 1948-10-29 1951-06-26 Gen Electric Piezoelectric strain gauge
US3233466A (en) * 1963-06-24 1966-02-08 Bendix Corp Piezoelectric accelerometer
US3257850A (en) * 1963-11-26 1966-06-28 Rosemount Eng Co Ltd Pressure responsive vibrating tube
US3327533A (en) * 1964-02-17 1967-06-27 Rosemount Eng Co Ltd Pressure responsive vibration devices
US3381525A (en) * 1965-05-21 1968-05-07 Aeroprojects Inc Method for detection of the imminence or incidence or cavitation in a liquid
US3365593A (en) * 1965-10-21 1968-01-23 Phillips Petroleum Co Piezoelectric transducers
US3479536A (en) * 1967-03-14 1969-11-18 Singer General Precision Piezoelectric force transducer
US3470400A (en) * 1967-12-21 1969-09-30 Singer General Precision Single beam force transducer with integral mounting isolation
US3489161A (en) * 1968-07-30 1970-01-13 Gen Electric Variable resonant frequency spring-mass system device
DE2025654B2 (de) * 1970-05-26 1971-08-12 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur linearen umwandlung einer mechanischen groesse in eine frequenz
US3931446A (en) * 1970-09-26 1976-01-06 Kureha Kagaku Kogyo Kabushiki Kaisha Process for producing polymeric piezoelectric elements and the article formed thereby
JPS4926890B1 (de) * 1970-12-04 1974-07-12
FR2145099A5 (de) * 1971-07-08 1973-02-16 Inst Francais Du Petrole
US3750127A (en) * 1971-10-28 1973-07-31 Gen Dynamics Corp Method and means for sensing strain with a piezoelectric strain sensing element
JPS5123439B2 (de) * 1971-11-05 1976-07-16
JPS4975182A (de) * 1972-11-20 1974-07-19
US3976897A (en) * 1974-02-18 1976-08-24 Pioneer Electronic Corporation Piezoelectric electro-acoustic diaphragm transducer with composite resilient backing
JPS5220296Y2 (de) * 1974-02-18 1977-05-10
JPS5215972B2 (de) * 1974-02-28 1977-05-06
US3894243A (en) * 1974-06-06 1975-07-08 Us Navy Polymeric transducer array
US4045695A (en) * 1974-07-15 1977-08-30 Pioneer Electronic Corporation Piezoelectric electro-acoustic transducer
US4170742A (en) * 1974-07-15 1979-10-09 Pioneer Electronic Corporation Piezoelectric transducer with multiple electrode areas
JPS5944794B2 (ja) * 1975-03-17 1984-11-01 呉羽化学工業株式会社 高分子フイルムの成極方法
US4048526A (en) * 1975-08-08 1977-09-13 Minnesota Mining And Manufacturing Company Kinetic sensor employing polymeric piezoelectric material
US4051395A (en) * 1975-08-08 1977-09-27 Minnesota Mining And Manufacturing Weight actuated piezoelectric polymeric transducer
US4089927A (en) * 1975-09-26 1978-05-16 Minnesota Mining And Manufacturing Company Strain sensor employing bi layer piezoelectric polymer
JPS5918051B2 (ja) * 1976-02-29 1984-04-25 三菱油化株式会社 カテ−テル
FR2348481A1 (fr) * 1976-04-14 1977-11-10 Minnesota Mining & Mfg Appareil de detection, notamment de temperature ou de contrainte se developpant dans un materiau polarise
JPS584728B2 (ja) * 1976-06-30 1983-01-27 ダイキン工業株式会社 含フツ素系多元セグメント化ポリマ−の製法
GB1593271A (en) * 1976-09-21 1981-07-15 Standard Telephones Cables Ltd Electro-acoustic transducers
US4193010A (en) * 1976-12-09 1980-03-11 Essex Transducers Corporation Sensor device using piezoelectric coating subjected to bending
AT375466B (de) * 1977-07-27 1984-08-10 List Hans Messwertaufnehmer mit einem piezoelektrischen messelement
US4175243A (en) * 1977-11-17 1979-11-20 Corbett James P Temperature compensated oscillating crystal force transducer systems
FR2409654B1 (fr) * 1977-11-17 1985-10-04 Thomson Csf Dispositif transducteur piezoelectrique et son procede de fabrication
US4242541A (en) * 1977-12-22 1980-12-30 Olympus Optical Co., Ltd. Composite type acoustic transducer
JPS6027128B2 (ja) * 1978-07-27 1985-06-27 呉羽化学工業株式会社 誘電体として改良された弗化ビニリデン系樹脂フイルム及びその製造方法
GB2033147B (en) * 1978-09-21 1982-12-15 Tokyo Shibaura Electric Co Method for production of composite piezoelectric material
JPS599000B2 (ja) * 1979-02-13 1984-02-28 東レ株式会社 超音波トランスデユ−サ
US4241128A (en) * 1979-03-20 1980-12-23 Bell Telephone Laboratories, Incorporated Production of piezoelectric PVDF films
US4227111A (en) * 1979-03-28 1980-10-07 The United States Of America As Represented By The Secretary Of The Navy Flexible piezoelectric composite transducers
US4215570A (en) * 1979-04-20 1980-08-05 The United States Of America As Represented By The United States Department Of Energy Miniature quartz resonator force transducer
US4383194A (en) * 1979-05-01 1983-05-10 Toray Industries, Inc. Electro-acoustic transducer element
EP0019267B1 (de) * 1979-05-16 1984-08-22 Toray Industries, Inc. Piezoelektrischer Schwingungswandler
FR2458909B1 (de) * 1979-06-13 1982-12-31 Thomson Csf
NL7904924A (nl) * 1979-06-25 1980-12-30 Philips Nv Akoestische transducent.
GB2055018B (en) * 1979-07-11 1983-11-16 Kureha Chemical Ind Co Ltd Vibration detector
US4395652A (en) * 1979-09-13 1983-07-26 Toray Industries, Inc. Ultrasonic transducer element
FR2465320A1 (fr) * 1979-09-14 1981-03-20 Thomson Csf Film de materiau composite piezo-electrique et son procede de fabrication
US4286459A (en) * 1979-10-30 1981-09-01 Johnson & Johnson Force sensor
WO1981001567A1 (en) * 1979-11-30 1981-06-11 Nat Res Dev Vinylidene fluoride polymers
US4406966A (en) * 1980-01-28 1983-09-27 Paroscientific, Inc. Isolating and temperature compensating system for resonators
US4339683A (en) * 1980-02-04 1982-07-13 The United States Of America As Represented By The Secretary Of The Navy Electrical connection
FR2475804A1 (fr) * 1980-02-12 1981-08-14 Lewiner Jacques Perfectionnements aux nappes composites constitutives de transducteurs electromecaniques et aux transducteurs equipes de telles nappes
US4295010A (en) * 1980-02-22 1981-10-13 Lectret S.A. Plural piezoelectric polymer film acoustic transducer
JPS612028Y2 (de) * 1980-05-24 1986-01-23
US4330730A (en) * 1980-03-27 1982-05-18 Eastman Kodak Company Wound piezoelectric polymer flexure devices
JPS56140225A (en) * 1980-04-03 1981-11-02 Yazaki Corp Detecting device for microweight load, microdisplacement, etc.
JPS56152103A (en) * 1980-04-24 1981-11-25 Kureha Chemical Ind Co Ltd Improved dielectric film
JPS5720257A (en) * 1980-07-11 1982-02-02 Teikoku Hormone Mfg Co Ltd Vibrator for ulna or twin-bone of living body
FR2490877A1 (fr) * 1980-09-19 1982-03-26 Thomson Csf Procede de fabrication de films polymeres piezoelectriques
US4435666A (en) * 1981-05-26 1984-03-06 Nippon Electric Co., Ltd. Lever actuator comprising a longitudinal-effect electroexpansive transducer and designed to prevent actuation from degrading the actuator
US4438364A (en) * 1981-07-13 1984-03-20 The Garrett Corporation Piezoelectric actuator
SU979903A1 (ru) * 1981-07-17 1982-12-07 Харьковский Ордена Ленина Авиационный Институт Им.Н.Е.Жуковского Дифференциальный пьезоэлектрический преобразователь
US4425526A (en) * 1981-10-29 1984-01-10 The Perkin-Elmer Corp. Method of making electrical connections to thin film coatings and the electrical connector formed thereby
US4439705A (en) * 1981-12-08 1984-03-27 Corbett James P Oscillating crystal transducer systems with symmetrical temperature compensator
US4400642A (en) * 1982-07-12 1983-08-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Piezoelectric composite materials
FR2531533A1 (fr) * 1982-08-05 1984-02-10 Flopetrol Capteur piezo-electrique de pression et/ou de temperature
US4512198A (en) * 1982-09-29 1985-04-23 Schlumberger Technology Corporation Surface acoustic wave sensors
JPS6010122A (ja) * 1983-06-30 1985-01-19 Shinko Denshi Kk 荷重変換機構
GB8325861D0 (en) * 1983-09-28 1983-11-02 Syrinx Presicion Instr Ltd Force transducer
US4546658A (en) * 1984-02-24 1985-10-15 General Electric Company Piezoelectric force/pressure sensor

Also Published As

Publication number Publication date
CA1218869A (en) 1987-03-10
GB8325861D0 (en) 1983-11-02
EP0139495A2 (de) 1985-05-02
DE3478141D1 (en) 1989-06-15
GB2148504B (en) 1987-01-07
EP0139495A3 (en) 1986-04-30
JPS60150680A (ja) 1985-08-08
MX158593A (es) 1989-02-16
US4739211A (en) 1988-04-19
DK462084D0 (da) 1984-09-27
GB8424577D0 (en) 1984-11-07
GB2148504A (en) 1985-05-30
EP0139495B1 (de) 1989-05-10
US4600855A (en) 1986-07-15

Similar Documents

Publication Publication Date Title
DK462084A (da) Krafttransducer
DK352883A (da) Krafttransducer
FR2539483B1 (fr) Transducteur electropneumatique
NO172154C (no) Transduser
FR2559985B1 (fr) Transducteur ultrasonore
BR8407212A (pt) Transdutor de pressao
KR840005297A (ko) 전기 음향 변환기
FR2551267B1 (fr) Transducteur photo-electrique
FR2551610B3 (fr) Transducteur electromagnetique
GB2139769B (en) Force transducer
DK590485A (da) Undervandstransducer
FI831659A0 (fi) Tvaodelad ask
FR2552291B1 (fr) Transducteur acoustique directionnel
DK524984D0 (da) Transducer
IT1185894B (it) Mezzi trasduttori
FR2500706B1 (fr) Transducteur electrostatique-acoustique
BR8400103A (pt) Transdutor
DK547381A (da) Elektrodynamisk transducer
FI840850A0 (fi) Akustisk anordning
KR830000824U (ko) 전기음향 변환기
DK156359C (da) Elektroakustisk transducer
IT8367649A0 (it) Trasduttore di coppia magnetoelasti co
BR8307285A (pt) Transdutor de pressao
KR840000882U (ko) 음향 변환기
IT1151688B (it) Trasduttore elettroacustico

Legal Events

Date Code Title Description
ARF Application refused