ATE320757T1 - Sensor mit einer dünnen piezoelektrischen polymerschicht - Google Patents

Sensor mit einer dünnen piezoelektrischen polymerschicht

Info

Publication number
ATE320757T1
ATE320757T1 AT99941125T AT99941125T ATE320757T1 AT E320757 T1 ATE320757 T1 AT E320757T1 AT 99941125 T AT99941125 T AT 99941125T AT 99941125 T AT99941125 T AT 99941125T AT E320757 T1 ATE320757 T1 AT E320757T1
Authority
AT
Austria
Prior art keywords
sensor
piezoelectric polymer
polymer layer
sensors
enhanced
Prior art date
Application number
AT99941125T
Other languages
English (en)
Inventor
Cal T Swanson
Simon J Lewandowski
Charles E Chassaing
Michael Z Sleva
Original Assignee
Harris 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 Harris Corp filed Critical Harris Corp
Application granted granted Critical
Publication of ATE320757T1 publication Critical patent/ATE320757T1/de

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00Instruments for auscultation
    • A61B7/02Stethoscopes
    • A61B7/04Electric stethoscopes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02Microphones
    • H04R17/025Microphones using a piezoelectric polymer

Landscapes

  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Signal Processing (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Push-Button Switches (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
AT99941125T 1998-08-20 1999-08-13 Sensor mit einer dünnen piezoelektrischen polymerschicht ATE320757T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/136,933 US6261237B1 (en) 1998-08-20 1998-08-20 Thin film piezoelectric polymer sensor

Publications (1)

Publication Number Publication Date
ATE320757T1 true ATE320757T1 (de) 2006-04-15

Family

ID=22475075

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99941125T ATE320757T1 (de) 1998-08-20 1999-08-13 Sensor mit einer dünnen piezoelektrischen polymerschicht

Country Status (6)

Country Link
US (1) US6261237B1 (de)
EP (1) EP1107696B1 (de)
AT (1) ATE320757T1 (de)
AU (1) AU5484099A (de)
DE (1) DE69930523T2 (de)
WO (1) WO2000010462A1 (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6371924B1 (en) 1998-11-09 2002-04-16 Medacoustics, Inc. Acoustic window identification
JP3841197B2 (ja) * 1999-03-01 2006-11-01 メダコースティクス,インコーポレイテッド 低縦断面音響センサアレイ
US7037268B1 (en) 1999-03-01 2006-05-02 Medacoustics, Inc. Low profile acoustic sensor arry and sensors with pleated transmission lines and related methods
US6984207B1 (en) 1999-09-14 2006-01-10 Hoana Medical, Inc. Passive physiological monitoring (P2M) system
US6415033B1 (en) * 1999-09-15 2002-07-02 Ilife Systems, Inc. Physiological condition monitors utilizing very low frequency acoustic signals
US6416483B1 (en) 2000-03-24 2002-07-09 Ilife Systems, Inc. Sensor and method for detecting very low frequency acoustic signals
US6706002B1 (en) * 2000-03-24 2004-03-16 Ilife Systems, Inc. System and method for remotely monitoring at least one physiological characteristic of a child
US6575916B2 (en) 2000-03-24 2003-06-10 Ilife Solutions, Inc. Apparatus and method for detecting very low frequency acoustic signals
WO2001078059A2 (en) * 2000-04-12 2001-10-18 Andromed Inc. Piezoelectric biological sounds monitor
JP5110751B2 (ja) * 2000-08-24 2012-12-26 セイコーインスツル株式会社 超音波診断装置
US7629890B2 (en) 2003-12-04 2009-12-08 Hoana Medical, Inc. System and methods for intelligent medical vigilance with bed exit detection
US7666151B2 (en) 2002-11-20 2010-02-23 Hoana Medical, Inc. Devices and methods for passive patient monitoring
EP1434526A1 (de) * 2001-10-12 2004-07-07 Boston Scientific Limited Katheter mit piezo elementen zur diagnose von läsionen
EP1494586A4 (de) * 2002-03-25 2009-07-22 Hoana Medical Inc Passives physiologisches überwachungssystem (p2m)
AUPS264302A0 (en) * 2002-05-29 2002-06-20 Neopraxis Pty Ltd Implantable bladder sensor
US6661161B1 (en) 2002-06-27 2003-12-09 Andromed Inc. Piezoelectric biological sound monitor with printed circuit board
JP2007524468A (ja) * 2003-06-26 2007-08-30 ホアナ メディカル、インコーポレイテッド 放射応力式非侵入型血圧測定方法
WO2005055824A1 (en) * 2003-12-04 2005-06-23 Hoana Medical, Inc. Intelligent medical vigilance system
CN1942906A (zh) * 2004-02-18 2007-04-04 赫艾纳医疗公司 用于使无源传感器阵列与床垫结合而进行患者监视的方法和系统
US20060147730A1 (en) * 2004-09-24 2006-07-06 Rohm And Haas Electronic Materials Llc Adhesion promoter for ferroelectric polymer films
US7520860B2 (en) 2005-04-13 2009-04-21 Marie G. Johnson Detection of coronary artery disease using an electronic stethoscope
US7998091B2 (en) * 2005-11-23 2011-08-16 3M Innovative Properties Company Weighted bioacoustic sensor and method of using same
US8024974B2 (en) * 2005-11-23 2011-09-27 3M Innovative Properties Company Cantilevered bioacoustic sensor and method using same
US7876906B2 (en) 2006-05-30 2011-01-25 Sonitus Medical, Inc. Methods and apparatus for processing audio signals
EP2312995B1 (de) 2008-05-05 2017-06-28 Masimo Corporation Pulsoximetriesystem mit schaltung zur elektrischen entkopplung
US8771204B2 (en) * 2008-12-30 2014-07-08 Masimo Corporation Acoustic sensor assembly
US8433082B2 (en) 2009-10-02 2013-04-30 Sonitus Medical, Inc. Intraoral appliance for sound transmission via bone conduction
US8702627B2 (en) 2009-10-15 2014-04-22 Masimo Corporation Acoustic respiratory monitoring sensor having multiple sensing elements
WO2011047211A1 (en) 2009-10-15 2011-04-21 Masimo Corporation Pulse oximetry system with low noise cable hub
US9066680B1 (en) 2009-10-15 2015-06-30 Masimo Corporation System for determining confidence in respiratory rate measurements
US8790268B2 (en) 2009-10-15 2014-07-29 Masimo Corporation Bidirectional physiological information display
US8821415B2 (en) 2009-10-15 2014-09-02 Masimo Corporation Physiological acoustic monitoring system
WO2011047216A2 (en) 2009-10-15 2011-04-21 Masimo Corporation Physiological acoustic monitoring system
US9724016B1 (en) 2009-10-16 2017-08-08 Masimo Corp. Respiration processor
GB2487882B (en) 2009-12-04 2017-03-29 Masimo Corp Calibration for multi-stage physiological monitors
US20110137210A1 (en) * 2009-12-08 2011-06-09 Johnson Marie A Systems and methods for detecting cardiovascular disease
US9307928B1 (en) 2010-03-30 2016-04-12 Masimo Corporation Plethysmographic respiration processor
US9326712B1 (en) 2010-06-02 2016-05-03 Masimo Corporation Opticoustic sensor
EP2585227B1 (de) 2010-06-24 2022-02-09 CVR Global, Inc. Sensor, sensorpad und sensoranordnung zur erkennung von akustischen infraschallsignalen
US11413653B2 (en) 2010-06-24 2022-08-16 Cvr Global, Inc. Sensor, sensor pad and sensor array for detecting infrasonic acoustic signals
US9192351B1 (en) 2011-07-22 2015-11-24 Masimo Corporation Acoustic respiratory monitoring sensor with probe-off detection
EP3603502B1 (de) 2011-10-13 2023-10-04 Masimo Corporation Physiologisches akustisches überwachungssystem
EP2787747B1 (de) * 2011-11-29 2017-06-28 Sumitomo Riko Company Limited Polymerlautsprecher
US9955937B2 (en) 2012-09-20 2018-05-01 Masimo Corporation Acoustic patient sensor coupler
US10441181B1 (en) 2013-03-13 2019-10-15 Masimo Corporation Acoustic pulse and respiration monitoring system
US10828007B1 (en) 2013-10-11 2020-11-10 Masimo Corporation Acoustic sensor with attachment portion
US9226726B1 (en) 2014-11-25 2016-01-05 John L Semmlow Method and system for detection of cardiac sounds
KR101809714B1 (ko) 2017-04-25 2017-12-15 한국세라믹기술원 압전 트랜스듀서 및 이를 포함하는 지향성 스피커
EP3691532A2 (de) 2017-10-04 2020-08-12 Ausculsciences, Inc. Auskultatorischer schall- oder schwingungssensor
KR102607016B1 (ko) * 2018-01-31 2023-11-29 삼성메디슨 주식회사 초음파 프로브
CN111264066B (zh) * 2018-09-04 2022-03-01 凯色盖迈桑德仁·苏力娅固马尔 声学转换器和相关的制造及封装技术
KR102400357B1 (ko) * 2020-06-30 2022-05-23 한국과학기술원 상이한 두께를 갖는 음성 센서 및 이를 이용한 음성 센싱 방법
KR102505540B1 (ko) * 2020-06-30 2023-03-06 한국과학기술원 박막형 폴리머를 이용한 음성센서

Family Cites Families (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32180A (en) 1861-04-30 Halter-king
US3442264A (en) 1964-06-04 1969-05-06 Joseph R Levitt Data processing method and means
US3573394A (en) * 1967-09-14 1971-04-06 Ind Scient Research Corp Piezoelectric microphone with biasing means
US3799147A (en) 1972-03-23 1974-03-26 Directors University Cincinnat Method and apparatus for diagnosing myocardial infarction in human heart
JPS4975182A (de) 1972-11-20 1974-07-19
JPS5215972B2 (de) 1974-02-28 1977-05-06
US4054808A (en) 1974-08-19 1977-10-18 Matsushita Electric Industrial Co., Ltd. Vibration detecting device having a piezoelectric ceramic plate and a method for adapting the same for use in musical instruments
US4413630B1 (en) 1976-04-05 1994-04-05 Diasonics Delaware Inc Sector scanner display and recording system for ultrasonic diagnosis
US4094308A (en) 1976-08-19 1978-06-13 Cormier Cardiac Systems, Inc. Method and system for rapid non-invasive determination of the systolic time intervals
DE2703781C2 (de) 1977-01-29 1986-10-23 Robert Bosch Gmbh, 7000 Stuttgart Körperschallaufnehmer, insbesondere für ein elektronisches Stethoskop
US4146955A (en) 1977-08-15 1979-04-03 Harris Corporation Method of fabricating a stepped-array acousto-optic beam deflector
JPS5840805B2 (ja) 1978-04-10 1983-09-08 東レ株式会社 座標入力用構造体
US4376302A (en) 1978-04-13 1983-03-08 The United States Of America As Represented By The Secretary Of The Navy Piezoelectric polymer hydrophone
US4268912A (en) 1978-06-06 1981-05-19 Magnavox Government And Industrial Electronics Co. Directional hydrophone suitable for flush mounting
US4387378A (en) 1978-06-28 1983-06-07 Harris Corporation Antenna having electrically positionable phase center
US4226248A (en) 1978-10-26 1980-10-07 Manoli Samir H Phonocephalographic device
US4255791A (en) 1978-12-04 1981-03-10 Harris Corporation Signal processing system
DE3069001D1 (en) 1979-05-16 1984-09-27 Toray Industries Piezoelectric vibration transducer
US4385255A (en) 1979-11-02 1983-05-24 Yokogawa Electric Works, Ltd. Linear array ultrasonic transducer
US4491051A (en) 1980-02-22 1985-01-01 Barcus Lester M String instrument pickup system
US4308870A (en) 1980-06-04 1982-01-05 The Kendall Company Vital signs monitor
JPS5741100A (en) 1980-08-23 1982-03-06 Kureha Chem Ind Co Ltd Ultrasonic probe
US4428380A (en) 1980-09-11 1984-01-31 Hughes Aircraft Company Method and improved apparatus for analyzing activity
US4546777A (en) 1981-03-06 1985-10-15 Siemens Gammasonics, Inc. Heart sound detector and synchronization for diagnostics
US4458693A (en) 1981-03-13 1984-07-10 Medtronic, Inc. Monitoring system
FR2507424A1 (fr) 1981-06-05 1982-12-10 Cgr Transducteur piezoelectrique autocollant et dispositif de mise en oeuvre du transducteur
IL67815A (en) 1982-02-12 1988-01-31 Sanz Ernst Method and apparatus for cardiogonometry
US4628321A (en) 1982-04-14 1986-12-09 Harris Corporation Aperture transformation sidelobe canceller
DE3234584A1 (de) 1982-09-17 1984-03-22 Reinhard 8206 Bruckmühl Fuchs Koerperschall-aufnehmer piezoelektrischer biegungs-aufnehmer
CA1198806A (en) 1982-11-24 1985-12-31 Her Majesty The Queen, In Right Of Canada, As Represented By The Minister Of National Defence Heart rate detector
US4509527A (en) 1983-04-08 1985-04-09 Timex Medical Products Corporation Cardio-respiration transducer
US4812976A (en) 1983-07-22 1989-03-14 Lundy Research Laboratories, Inc. Method and apparatus for characterizing the unknown state of a physical system
US4586514A (en) 1983-08-10 1986-05-06 Biotronics Instruments Phonoangiographic spectral analysing apparatus
US4630203A (en) 1983-12-27 1986-12-16 Thomas Szirtes Contour radiography: a system for determining 3-dimensional contours of an object from its 2-dimensional images
JPS60169927U (ja) 1984-04-17 1985-11-11 株式会社村田製作所 ラダ−型フイルタ
GB2166871A (en) 1984-09-03 1986-05-14 Vickers Plc Respiration monitor
US4617935A (en) 1985-03-12 1986-10-21 Ndm Corporation Medical electrode
FR2581496B1 (fr) * 1985-05-02 1987-06-26 Silec Liaisons Elec Capteur microphonique de contact a membrane piezo polymere
US4862361A (en) 1985-06-05 1989-08-29 Massachusetts Institute Of Technology Methods and apparatus for monitoring cardiovascular regulation using heart rate power spectral analysis
EP0212528A3 (de) 1985-08-30 1988-11-30 Studer Revox Ag Verfahren zur Bestimmung von Anfangs- und Endpunkt eines geschlossenen räumlichen Signal-Verlaufes
US4781200A (en) 1985-10-04 1988-11-01 Baker Donald A Ambulatory non-invasive automatic fetal monitoring system
US4777961A (en) 1985-10-15 1988-10-18 Bruce Saltzman High sensitivity stethoscopic system and method
US4742458A (en) 1985-10-29 1988-05-03 Software Plus, Inc. Method and apparatus for performing pattern recognition analysis
US4792145A (en) 1985-11-05 1988-12-20 Sound Enhancement Systems, Inc. Electronic stethoscope system and method
US4862897A (en) 1985-11-05 1989-09-05 Sound Enhancement Systems, Inc. Electrocardiogram enhancement system and method
US4842411A (en) 1986-02-06 1989-06-27 Vectron, Inc. Method of automatically measuring the shape of a continuous surface
GB2188732B (en) 1986-04-07 1990-04-04 Micro Medical Ltd Portable computer apparatus for the display of a phonocardiogram and an electrocardiogram of a person
US5002058A (en) 1986-04-25 1991-03-26 Intra-Sonix, Inc. Ultrasonic transducer
US4712565A (en) 1986-10-27 1987-12-15 International Acoustics Incorporated Method and apparatus for evaluating of artificial heart valves
US4784154A (en) 1986-11-13 1988-11-15 Colin Electronics Co., Ltd. Interference resistant biomedical transducer
JPH033289Y2 (de) 1987-01-26 1991-01-29
US4862144A (en) 1987-04-21 1989-08-29 Tao Billy S K Movement monitor
US4803986A (en) 1987-04-24 1989-02-14 Minnesota Mining And Manufacturing Company Ergonometric transcutaneous electrical nerve stimulator
US4840183A (en) 1987-08-13 1989-06-20 Tdk Corporation Electrocardiograph
US4803996A (en) 1987-09-28 1989-02-14 Nippon Colin Co., Ltd. Cardiovascular monitor
US4924875A (en) 1987-10-09 1990-05-15 Biometrak Corporation Cardiac biopotential analysis system and method
US4928705A (en) 1987-12-08 1990-05-29 University Of Pittsburgh Of The Commonwealth System Of Higher Education Acoustic aneurysm detector and associated method
CN1035213A (zh) 1987-12-29 1989-08-30 精工电子工业株式会社 行波电机
DE3744605C1 (de) 1987-12-31 1989-04-27 Jochen Dipl-Ing Heimann Messwertaufnehmer
US5213108A (en) 1988-02-04 1993-05-25 Blood Line Technology, Inc. Visual display stethoscope
US5218969A (en) 1988-02-04 1993-06-15 Blood Line Technology, Inc. Intelligent stethoscope
US5010889A (en) 1988-02-04 1991-04-30 Bloodline Technology Intelligent stethoscope
US4991581A (en) 1988-03-04 1991-02-12 Andries Tek R&D Limited Partnership Acoustic processing apparatus
US4821584A (en) 1988-03-15 1989-04-18 The United States Of America As Represented By The United States Department Of Energy Piezoelectric film load cell robot collision detector
US5129403A (en) 1988-04-14 1992-07-14 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for detecting and transducing intersaccular acoustic signals
US4905706A (en) 1988-04-20 1990-03-06 Nippon Colin Co., Ltd. Method an apparatus for detection of heart disease
IL86759A (en) 1988-06-16 1992-09-06 Dror Nedivi Medical monitoring system
US5164627A (en) 1988-07-26 1992-11-17 Harris Corporation Phased array acoustic signal processor
US4957369A (en) 1989-01-23 1990-09-18 California Institute Of Technology Apparatus for measuring three-dimensional surface geometries
US4947859A (en) 1989-01-25 1990-08-14 Cherne Medical, Inc. Bio-acoustic signal sensing device
US4967760A (en) 1989-02-02 1990-11-06 Bennett Jr William R Dynamic spectral phonocardiograph
US5012815A (en) 1989-02-02 1991-05-07 Yale University Dynamic spectral phonocardiograph
US5003605A (en) 1989-08-14 1991-03-26 Cardiodyne, Inc. Electronically augmented stethoscope with timing sound
US5315512A (en) 1989-09-01 1994-05-24 Montefiore Medical Center Apparatus and method for generating image representations of a body utilizing an ultrasonic imaging subsystem and a three-dimensional digitizer subsystem
US5036857A (en) 1989-10-26 1991-08-06 Rutgers, The State University Of New Jersey Noninvasive diagnostic system for coronary artery disease
US5109863A (en) 1989-10-26 1992-05-05 Rutgers, The State University Of New Jersey Noninvasive diagnostic system for coronary artery disease
US5025809A (en) 1989-11-28 1991-06-25 Cardionics, Inc. Recording, digital stethoscope for identifying PCG signatures
US5086776A (en) 1990-03-06 1992-02-11 Precision Diagnostics, Inc. Apparatus and method for sensing cardiac performance
US5140992A (en) 1990-07-16 1992-08-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Passive fetal monitoring sensor
JP2719038B2 (ja) * 1990-09-14 1998-02-25 宇部興産株式会社 生体音響変換器
US5176153A (en) 1990-11-02 1993-01-05 Eberhardt Allen C Heart chamber simulator with electronic accelerated heart valve wear and fatigue test apparatus and method
US5301679A (en) 1991-05-31 1994-04-12 Taylor Microtechnology, Inc. Method and system for analysis of body sounds
US5337752A (en) 1992-05-21 1994-08-16 Mcg International, Inc. System for simultaneously producing and synchronizing spectral patterns of heart sounds and an ECG signal
US5365937A (en) 1992-09-09 1994-11-22 Mcg International, Inc. Disposable sensing device with contaneous conformance
US5368041A (en) 1992-10-15 1994-11-29 Aspect Medical Systems, Inc. Monitor and method for acquiring and processing electrical signals relating to bodily functions
WO1994013207A1 (de) 1992-12-05 1994-06-23 Avl Medical Instruments Ag Sensor, einrichtung und verfahren zum messen des blutdruckes
US5406952A (en) * 1993-02-11 1995-04-18 Biosyss Corporation Blood pressure monitoring system
US5363401A (en) 1993-02-25 1994-11-08 Harris Corporation Mechanism for extracting hybrid (fh/ds) spread spectrum signals within multi-signal type environment
US5455385A (en) 1993-06-28 1995-10-03 Harris Corporation Multilayer LTCC tub architecture for hermetically sealing semiconductor die, external electrical access for which is provided by way of sidewall recesses
US5724968A (en) 1993-12-29 1998-03-10 First Opinion Corporation Computerized medical diagnostic system including meta function
US5713367A (en) 1994-01-26 1998-02-03 Cambridge Heart, Inc. Measuring and assessing cardiac electrical stability
US5673702A (en) 1994-06-10 1997-10-07 Cambridge Heart, Inc. Method and apparatus for the improved electronic display of physiologic waveforms
US5724983A (en) 1994-08-01 1998-03-10 New England Center Hospitals, Inc. Continuous monitoring using a predictive instrument
US5501229A (en) 1994-08-01 1996-03-26 New England Medical Center Hospital Continuous monitoring using a predictive instrument
US5680513A (en) 1994-08-19 1997-10-21 Hyland; David C. Series parallel approach to identification of dynamic systems
US5796920A (en) 1994-08-19 1998-08-18 Harris Corporation Multiprocessor system and method for identification and adaptive control of dynamic systems
US5553113A (en) 1994-11-18 1996-09-03 Analogic Corporation Auxiliary data acquisition in a medical imaging system
US5686917A (en) 1995-04-19 1997-11-11 National Instruments Corporation System and method for demultiplexing data in an instrumentation system
US5617869A (en) 1995-06-16 1997-04-08 The United States Of America As Represented By The Secretary Of The Navy Device and method for locating flow blockage in a three-dimensional object
US5687738A (en) 1995-07-03 1997-11-18 The Regents Of The University Of Colorado Apparatus and methods for analyzing heart sounds
US5595188A (en) 1995-07-26 1997-01-21 Flowscan, Inc. Assembly process for polymer-based acoustic differential-output sensor
US5638823A (en) 1995-08-28 1997-06-17 Rutgers University System and method for noninvasive detection of arterial stenosis
US5598845A (en) 1995-11-16 1997-02-04 Stellartech Research Corporation Ultrasound transducer device for continuous imaging of the heart and other body parts
US5724967A (en) 1995-11-21 1998-03-10 Nellcor Puritan Bennett Incorporated Noise reduction apparatus for low level analog signals
KR0165516B1 (ko) 1996-02-26 1999-05-01 김광호 진동 검출 센서

Also Published As

Publication number Publication date
US6261237B1 (en) 2001-07-17
WO2000010462A1 (en) 2000-03-02
EP1107696B1 (de) 2006-03-22
DE69930523T2 (de) 2007-03-08
AU5484099A (en) 2000-03-14
EP1107696A1 (de) 2001-06-20
DE69930523D1 (de) 2006-05-11

Similar Documents

Publication Publication Date Title
ATE320757T1 (de) Sensor mit einer dünnen piezoelektrischen polymerschicht
US10512750B1 (en) Bone conduction speaker patch
USRE32180E (en) Composite sheets constituting electromechanical transducers and transducers equipped with such sheets
DK1432281T3 (da) Elektroakustisk miniaturetransducer til en høreapparat-indretning
US5074309A (en) Device for monitoring cardiovascular signals and fiber optic coupler phonocardio sensor therefor
ATE4434T1 (de) Piezoelektrischer beschleunigungsfuehler mit umformerelement aus polymerem material.
US20030028110A1 (en) Acoustic sensor using curved piezoelectric film
RU2010130080A (ru) Клейкая накладка для мониторинга акустических сигналов
JP7284102B2 (ja) センサによって人間の少なくとも1つのバイタルパラメータを検出するための装置
WO2004019172A3 (en) Apparatus for detecting human physiological and contextual information
BR9609074A (pt) Dispositivo médico aderente á pele
CN1172632C (zh) 拾音传感器
US5642332A (en) Acoustic transducer
ATE539336T1 (de) Drucksensor
JP5625426B2 (ja) センサー装置及び生体情報測定装置
US4010441A (en) Flexion-plate hydrophones
DE602004013428D1 (de) Herstellung von holographischen sensoren
CN119984483B (zh) 一种纤毛式声波检测装置及方法
KR102276694B1 (ko) 센서홀더
Knudsen et al. High-sensitivity fiber optic planar ultrasonic microphone
SE8900392D0 (sv) Mikrofon foer upptagning av kroppsljud
Oğuzcan et al. Design and experimental validation of a stress-controlled pressure sensor for wearable pulse monitoring
Roberts Feasibility of Underwater Mems DF Acoustic Sensor for Narrowband Detection
KR960016847A (ko) 맥진 검출센서
JP2025162504A (ja) 電子聴診装置及びダイヤフラム変位検出装置

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties