FR2531298B1 - Transducteur du type demi-onde a element actif en polymere piezoelectrique - Google Patents
Transducteur du type demi-onde a element actif en polymere piezoelectriqueInfo
- Publication number
- FR2531298B1 FR2531298B1 FR8213357A FR8213357A FR2531298B1 FR 2531298 B1 FR2531298 B1 FR 2531298B1 FR 8213357 A FR8213357 A FR 8213357A FR 8213357 A FR8213357 A FR 8213357A FR 2531298 B1 FR2531298 B1 FR 2531298B1
- Authority
- FR
- France
- Prior art keywords
- wave type
- piezoelectric polymer
- type transducer
- polymer element
- transducer
- 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
Links
- 229920000642 polymer Polymers 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF
- B06B1/0692—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF with a continuous electrode on one side and a plurality of electrodes on the other side
-
- 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
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8213357A FR2531298B1 (fr) | 1982-07-30 | 1982-07-30 | Transducteur du type demi-onde a element actif en polymere piezoelectrique |
EP83401485A EP0100711A3 (fr) | 1982-07-30 | 1983-07-19 | Transducteur du type demi-onde à élément actif en polymère piézoélectrique |
US06/517,686 US4473769A (en) | 1982-07-30 | 1983-07-27 | Transducer of the half-wave type with a piezoelectric polymer active element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8213357A FR2531298B1 (fr) | 1982-07-30 | 1982-07-30 | Transducteur du type demi-onde a element actif en polymere piezoelectrique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2531298A1 FR2531298A1 (fr) | 1984-02-03 |
FR2531298B1 true FR2531298B1 (fr) | 1986-06-27 |
Family
ID=9276496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8213357A Expired FR2531298B1 (fr) | 1982-07-30 | 1982-07-30 | Transducteur du type demi-onde a element actif en polymere piezoelectrique |
Country Status (3)
Country | Link |
---|---|
US (1) | US4473769A (fr) |
EP (1) | EP0100711A3 (fr) |
FR (1) | FR2531298B1 (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5999900A (ja) * | 1982-11-29 | 1984-06-08 | Toshiba Corp | 超音波探触子 |
JPS6086999A (ja) * | 1983-10-19 | 1985-05-16 | Hitachi Ltd | 超音波探触子の製造方法 |
JPS60140153A (ja) * | 1983-12-28 | 1985-07-25 | Toshiba Corp | 超音波探触子の製造方法 |
EP0166180B1 (fr) * | 1984-05-30 | 1989-02-01 | Siemens Aktiengesellschaft | Hydrophone |
US4964302A (en) * | 1984-09-25 | 1990-10-23 | Grahn Allen R | Tactile sensor |
DE3585938D1 (de) * | 1984-09-26 | 1992-06-04 | Terumo Corp | Ultraschallwandler und verfahren zur herstellung desselben. |
US4604543A (en) * | 1984-11-29 | 1986-08-05 | Hitachi, Ltd. | Multi-element ultrasonic transducer |
JPS61144565A (ja) * | 1984-12-18 | 1986-07-02 | Toshiba Corp | 高分子圧電型超音波探触子 |
US4833659A (en) * | 1984-12-27 | 1989-05-23 | Westinghouse Electric Corp. | Sonar apparatus |
DE3611669A1 (de) * | 1985-04-10 | 1986-10-16 | Hitachi Medical Corp., Tokio/Tokyo | Ultraschallwandler |
JPS62150610A (ja) * | 1985-12-25 | 1987-07-04 | 株式会社日立製作所 | 入力装置 |
US4908543A (en) * | 1988-06-30 | 1990-03-13 | Litton Systems, Inc. | Acoustic transducer |
US5160870A (en) * | 1990-06-25 | 1992-11-03 | Carson Paul L | Ultrasonic image sensing array and method |
NZ243294A (en) * | 1991-06-25 | 1995-04-27 | Commw Scient Ind Res Org | Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects |
US6432050B1 (en) * | 1997-12-30 | 2002-08-13 | Remon Medical Technologies Ltd. | Implantable acoustic bio-sensing system and method |
WO2004025832A1 (fr) * | 2002-09-12 | 2004-03-25 | Philips Intellectual Property & Standards Gmbh | Resonateur a ondes acoustiques de masse equipe de moyens de suppression des ondulations passe-bande dans des filtres a ondes acoustiques de masse |
BE1015150A3 (nl) * | 2002-10-21 | 2004-10-05 | Sonitron Nv | Verbeterde transducent |
US20070130771A1 (en) * | 2005-12-12 | 2007-06-14 | Kimberly-Clark Worldwide, Inc. | Methods for producing ultrasonic waveguides having improved amplification |
US8033173B2 (en) * | 2005-12-12 | 2011-10-11 | Kimberly-Clark Worldwide, Inc. | Amplifying ultrasonic waveguides |
DE102005061343B4 (de) | 2005-12-21 | 2010-11-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Ultraschallwandler mit selbsttragender Anpassschicht sowie Verfahren zur Herstellung |
DE202012004305U1 (de) * | 2012-04-27 | 2012-05-25 | Texmag Gmbh Vertriebsgesellschaft | Vorrichtung zum Detektieren einer Kante einer Materialbahn |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3912830A (en) * | 1971-10-13 | 1975-10-14 | Kureha Chemical Ind Co Ltd | Method of producing a piezoelectric or pyroelectric element |
US4117074A (en) * | 1976-08-30 | 1978-09-26 | Tiersten Harry F | Monolithic mosaic piezoelectric transducer utilizing trapped energy modes |
JPS599000B2 (ja) * | 1979-02-13 | 1984-02-28 | 東レ株式会社 | 超音波トランスデユ−サ |
EP0015886A1 (fr) * | 1979-03-13 | 1980-09-17 | Toray Industries, Inc. | Elément transducteur électro-acoustique amélioré |
US4383194A (en) * | 1979-05-01 | 1983-05-10 | Toray Industries, Inc. | Electro-acoustic transducer element |
FR2503517A1 (fr) * | 1981-04-06 | 1982-10-08 | Thomson Csf | Transducteur piezo-electrique |
-
1982
- 1982-07-30 FR FR8213357A patent/FR2531298B1/fr not_active Expired
-
1983
- 1983-07-19 EP EP83401485A patent/EP0100711A3/fr not_active Withdrawn
- 1983-07-27 US US06/517,686 patent/US4473769A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0100711A2 (fr) | 1984-02-15 |
FR2531298A1 (fr) | 1984-02-03 |
US4473769A (en) | 1984-09-25 |
EP0100711A3 (fr) | 1984-11-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2531298B1 (fr) | Transducteur du type demi-onde a element actif en polymere piezoelectrique | |
DE3485851D1 (de) | Piezoelektrische antriebsvorrichtung mit einem bilaminaren element. | |
BR8406088A (pt) | Adometro a ultra-som | |
IT1209554B (it) | Sonda a contatto. | |
FR2559985B1 (fr) | Transducteur ultrasonore | |
DK462084D0 (da) | Krafttransducer | |
DE3587146D1 (de) | Piezoelektrische polymerultraschallsonde. | |
FR2561393B1 (fr) | Capteur de macroparticules a ultrasons | |
DE3266766D1 (en) | Transducer with a piezo-electric sensitive element | |
AT382968B (de) | Piezoelektrisches messelement | |
DE3682378D1 (de) | Messwertaufnehmer mit einem flexiblen piezoelektrischen film als messelement. | |
FR2492950B1 (fr) | Allumeur a element piezo-electrique | |
IT7927162A0 (it) | Trasduttore elettromeccanico a flessione. | |
AT389170B (de) | Piezoelektrisches messelement | |
DE3580948D1 (de) | Ultraschall-pruefeinrichtung. | |
FR2490348B1 (fr) | Element piezo-electrique oscillant | |
FR2510336B1 (fr) | Transducteur piezoelectrique | |
IT8420521A0 (it) | Cicalino piezoelettrico. | |
DK158178C (da) | Piezoelektrisk element | |
AT370523B (de) | Piezoelektrischer messwertaufnehmer | |
BR8005981A (pt) | Transdutor piezoeletrico | |
DE3579789D1 (de) | Druckueberwachungseinrichtung. | |
DE3162772D1 (de) | A n-(benzylidene) aminomethyl-cyclohexane-carboxylic acid | |
AT381169B (de) | Druckaufnehmer | |
FR2494933B1 (fr) | Element a resistance negative perfectionne |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |