FR2581496B1 - Capteur microphonique de contact a membrane piezo polymere - Google Patents

Capteur microphonique de contact a membrane piezo polymere

Info

Publication number
FR2581496B1
FR2581496B1 FR8506663A FR8506663A FR2581496B1 FR 2581496 B1 FR2581496 B1 FR 2581496B1 FR 8506663 A FR8506663 A FR 8506663A FR 8506663 A FR8506663 A FR 8506663A FR 2581496 B1 FR2581496 B1 FR 2581496B1
Authority
FR
France
Prior art keywords
contact sensor
polymer membrane
microphone contact
piezo polymer
piezo
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
Application number
FR8506663A
Other languages
English (en)
Other versions
FR2581496A1 (fr
Inventor
Bruno De Fleurieu
Jose Cherqui
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.)
Societe Industrielle de Liaisons Electriques SA
Original Assignee
Societe Industrielle de Liaisons Electriques SA
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 Societe Industrielle de Liaisons Electriques SA filed Critical Societe Industrielle de Liaisons Electriques SA
Priority to FR8506663A priority Critical patent/FR2581496B1/fr
Priority to EP86400958A priority patent/EP0201421A1/fr
Publication of FR2581496A1 publication Critical patent/FR2581496A1/fr
Application granted granted Critical
Publication of FR2581496B1 publication Critical patent/FR2581496B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones
    • H04R17/025—Microphones using a piezoelectric polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR8506663A 1985-05-02 1985-05-02 Capteur microphonique de contact a membrane piezo polymere Expired FR2581496B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8506663A FR2581496B1 (fr) 1985-05-02 1985-05-02 Capteur microphonique de contact a membrane piezo polymere
EP86400958A EP0201421A1 (fr) 1985-05-02 1986-04-30 Capteur microphonique de contact à membrane piézo polymère

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8506663A FR2581496B1 (fr) 1985-05-02 1985-05-02 Capteur microphonique de contact a membrane piezo polymere

Publications (2)

Publication Number Publication Date
FR2581496A1 FR2581496A1 (fr) 1986-11-07
FR2581496B1 true FR2581496B1 (fr) 1987-06-26

Family

ID=9318883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8506663A Expired FR2581496B1 (fr) 1985-05-02 1985-05-02 Capteur microphonique de contact a membrane piezo polymere

Country Status (2)

Country Link
EP (1) EP0201421A1 (fr)
FR (1) FR2581496B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3623587A1 (de) * 1986-07-12 1988-01-21 Gerd Kress Geraet zum messen der betriebszeit von maschinen
IT1218059B (it) * 1988-03-21 1990-04-12 M P & Sd Di Parisi Eugenio Mar Dispositivo di trasduzione dei rumori generati all'interno di un corpo,in particolare della voce,con sostanziale abbattimento dei rumori ambientali
SE466377B (sv) * 1989-03-06 1992-02-03 Leif Palmaer Foervaltnings Ab Saett och anordning foer att foerbaettra uppfattbarheten hos med hjaelp av en kontaktmikrofon upptaget tal
WO1995006525A1 (fr) * 1993-08-30 1995-03-09 Medacoustics, Inc. Detecteurs acoustiques jetables du type plaquette
US6193668B1 (en) 1997-11-10 2001-02-27 Medacoustics, Inc. Acoustic sensor array for non-invasive detection of coronary artery disease
US6278890B1 (en) 1998-11-09 2001-08-21 Medacoustics, Inc. Non-invasive turbulent blood flow imaging system
US6261237B1 (en) * 1998-08-20 2001-07-17 Medacoustics, Inc. Thin film piezoelectric polymer sensor
CN1997243B (zh) * 2005-12-31 2011-07-27 财团法人工业技术研究院 可挠式扬声器及其制法
US20100290660A1 (en) * 2008-02-08 2010-11-18 Temco Japan Co., Ltd. Vibration pickup microphone
US11025251B2 (en) * 2016-12-05 2021-06-01 Sateco Ag Button assemblies

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816774A (en) * 1972-01-28 1974-06-11 Victor Company Of Japan Curved piezoelectric elements
NL7508534A (en) * 1975-07-17 1977-01-19 Philips Nv Transducer for loudspeakers or microphones - provided with independently acting but adjacently located transducer membrane films
US4056742A (en) * 1976-04-30 1977-11-01 Tibbetts Industries, Inc. Transducer having piezoelectric film arranged with alternating curvatures
DE3022770C2 (de) * 1980-06-18 1982-11-04 Helmut 8501 Feucht Schaller Piezokeramischer Körperschallwandler
FR2507424A1 (fr) * 1981-06-05 1982-12-10 Cgr Transducteur piezoelectrique autocollant et dispositif de mise en oeuvre du transducteur

Also Published As

Publication number Publication date
FR2581496A1 (fr) 1986-11-07
EP0201421A1 (fr) 1986-11-12

Similar Documents

Publication Publication Date Title
FR2616544B1 (fr) Structure de capteur de pression differentielle evitant le blocage des membranes
FR2594224B1 (fr) Capteur de pression a diaphragme deformable
DE69621634D1 (de) Flacher hämatokritsensor mit einer 7 elektroden umfassenden leitfähigkeitsmesszelle
BR8707761A (pt) Sensor de pressao isolado do meio
BR8707718A (pt) Sensor de pressao
DE68917856D1 (de) Sauerstoffsensorvorrichtung.
KR890019684U (ko) 압력센서
FR2531298B1 (fr) Transducteur du type demi-onde a element actif en polymere piezoelectrique
FR2587485B1 (fr) Capteur de pression
FR2581496B1 (fr) Capteur microphonique de contact a membrane piezo polymere
DE3673824D1 (de) Drucksensor.
DE69122009D1 (de) Elektrochemischer Kraftsensor
DK391286D0 (da) Trykfoelsom styreindretning
ATA36186A (de) Piezoelektrischer kraftaufnehmer
KR900006772A (ko) 압력 센서
BR8803885A (pt) Sensor de pressao
AT380741B (de) Ionensensitive membranelektrode
PT84431B (pt) Sensor de pelicula espessa, particularmente um sensor de pressao
FR2648910B1 (fr) Capteur a membrane a concentration de deformations
FR2566529B1 (fr) Capteur de pression
AT386482B (de) Druckaufnehmer
IT8867905A0 (it) Sensore chimico monolitico a membrana ione selettiva di tipo chemfet eprocedimento per la sua realizzazione
FR2602334B1 (fr) Capteur de pression
KR880701882A (ko) 서어멧 전극을 갖는 가스 감지장치
ATA264988A (de) Elektrochemischer sensor

Legal Events

Date Code Title Description
ST Notification of lapse