FR2507424B1 - - Google Patents
Info
- Publication number
- FR2507424B1 FR2507424B1 FR8111211A FR8111211A FR2507424B1 FR 2507424 B1 FR2507424 B1 FR 2507424B1 FR 8111211 A FR8111211 A FR 8111211A FR 8111211 A FR8111211 A FR 8111211A FR 2507424 B1 FR2507424 B1 FR 2507424B1
- Authority
- FR
- France
- 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
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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8111211A FR2507424A1 (fr) | 1981-06-05 | 1981-06-05 | Transducteur piezoelectrique autocollant et dispositif de mise en oeuvre du transducteur |
DE19823221145 DE3221145A1 (de) | 1981-06-05 | 1982-06-04 | Selbstklebender piezoelektrischer wandler und vorrichtung zur anwendung des wandlers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8111211A FR2507424A1 (fr) | 1981-06-05 | 1981-06-05 | Transducteur piezoelectrique autocollant et dispositif de mise en oeuvre du transducteur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2507424A1 FR2507424A1 (fr) | 1982-12-10 |
FR2507424B1 true FR2507424B1 (US06878557-20050412-C00065.png) | 1984-09-14 |
Family
ID=9259248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8111211A Granted FR2507424A1 (fr) | 1981-06-05 | 1981-06-05 | Transducteur piezoelectrique autocollant et dispositif de mise en oeuvre du transducteur |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3221145A1 (US06878557-20050412-C00065.png) |
FR (1) | FR2507424A1 (US06878557-20050412-C00065.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6243599B1 (en) | 1997-11-10 | 2001-06-05 | Medacoustics, Inc. | Methods, systems and computer program products for photogrammetric sensor position estimation |
US6261237B1 (en) | 1998-08-20 | 2001-07-17 | Medacoustics, Inc. | Thin film piezoelectric polymer sensor |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0109646A1 (en) * | 1982-11-16 | 1984-05-30 | Pilot Man-Nen-Hitsu Kabushiki Kaisha | Pickup device for picking up vibration transmitted through bones |
FR2581496B1 (fr) * | 1985-05-02 | 1987-06-26 | Silec Liaisons Elec | Capteur microphonique de contact a membrane piezo polymere |
FR2629660B1 (fr) * | 1988-04-01 | 1990-08-24 | Horlogerie Photograph Fse | Capsule piezoelectrique a pinces de connection electrique laterales |
DE3823901A1 (de) * | 1988-07-14 | 1990-02-01 | Bernd Dr Rer Nat Ploss | Verfahren zur herstellung ferroelektrischer festkoerperbauelemente |
JP3270527B2 (ja) * | 1992-07-08 | 2002-04-02 | 呉羽化学工業株式会社 | 筒状ないし曲面化圧電素子 |
DE69415023T2 (de) * | 1993-08-30 | 1999-04-22 | Medacoustics, Inc., Raleigh, N.C. | Wegwerfakustischer kissenfühler |
US5827198A (en) * | 1996-11-21 | 1998-10-27 | Flowscan, Inc. | Low-cost, disposable, polymer-based, differential output flexure sensor and method of fabricating same |
DE19707933C2 (de) * | 1997-02-27 | 2002-09-05 | Ifak Inst Fuer Automation Und | Ultraschallwandler |
US6193668B1 (en) * | 1997-11-10 | 2001-02-27 | Medacoustics, Inc. | Acoustic sensor array for non-invasive detection of coronary artery disease |
US7037268B1 (en) | 1999-03-01 | 2006-05-02 | Medacoustics, Inc. | Low profile acoustic sensor arry and sensors with pleated transmission lines and related methods |
NO315547B1 (no) | 2000-10-16 | 2003-09-22 | Meditron Asa | Medisinsk plaster |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2929043A (en) * | 1956-06-19 | 1960-03-15 | Jr Samuel A Phillips | Antenna lead-in connector |
US3365593A (en) * | 1965-10-21 | 1968-01-23 | Phillips Petroleum Co | Piezoelectric transducers |
FR2145099A5 (US06878557-20050412-C00065.png) * | 1971-07-08 | 1973-02-16 | Inst Francais Du Petrole | |
JPS5123439B2 (US06878557-20050412-C00065.png) * | 1971-11-05 | 1976-07-16 | ||
JPS5427238B2 (US06878557-20050412-C00065.png) * | 1974-12-13 | 1979-09-08 | ||
US4170185A (en) * | 1978-01-09 | 1979-10-09 | Lectret S.A. | Preventing marine fouling |
FR2446045A1 (fr) * | 1979-01-04 | 1980-08-01 | Thomson Csf | Transducteur piezo-electrique a element en polymere et son procede de fabrication |
-
1981
- 1981-06-05 FR FR8111211A patent/FR2507424A1/fr active Granted
-
1982
- 1982-06-04 DE DE19823221145 patent/DE3221145A1/de not_active Ceased
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6243599B1 (en) | 1997-11-10 | 2001-06-05 | Medacoustics, Inc. | Methods, systems and computer program products for photogrammetric sensor position estimation |
US6261237B1 (en) | 1998-08-20 | 2001-07-17 | Medacoustics, Inc. | Thin film piezoelectric polymer sensor |
US6278890B1 (en) | 1998-11-09 | 2001-08-21 | Medacoustics, Inc. | Non-invasive turbulent blood flow imaging system |
Also Published As
Publication number | Publication date |
---|---|
FR2507424A1 (fr) | 1982-12-10 |
DE3221145A1 (de) | 1982-12-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |