EP0100711A3 - Halbwellenwandler unter Anwendung eines aktiven piezoelektrischen Polymerelements - Google Patents
Halbwellenwandler unter Anwendung eines aktiven piezoelektrischen Polymerelements Download PDFInfo
- Publication number
- EP0100711A3 EP0100711A3 EP83401485A EP83401485A EP0100711A3 EP 0100711 A3 EP0100711 A3 EP 0100711A3 EP 83401485 A EP83401485 A EP 83401485A EP 83401485 A EP83401485 A EP 83401485A EP 0100711 A3 EP0100711 A3 EP 0100711A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- half wave
- wave transducer
- polymer element
- electric polymer
- sheet
- 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.)
- Withdrawn
Links
- 229920000642 polymer Polymers 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8213357 | 1982-07-30 | ||
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 |
---|---|
EP0100711A2 EP0100711A2 (de) | 1984-02-15 |
EP0100711A3 true EP0100711A3 (de) | 1984-11-14 |
Family
ID=9276496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83401485A Withdrawn EP0100711A3 (de) | 1982-07-30 | 1983-07-19 | Halbwellenwandler unter Anwendung eines aktiven piezoelektrischen Polymerelements |
Country Status (3)
Country | Link |
---|---|
US (1) | US4473769A (de) |
EP (1) | EP0100711A3 (de) |
FR (1) | FR2531298B1 (de) |
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 |
DE3568093D1 (en) * | 1984-05-30 | 1989-03-09 | Siemens Ag | Hydrophone |
US4964302A (en) * | 1984-09-25 | 1990-10-23 | Grahn Allen R | Tactile sensor |
EP0176030B1 (de) * | 1984-09-26 | 1992-04-29 | TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION | 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 |
JP4541147B2 (ja) * | 2002-09-12 | 2010-09-08 | エヌエックスピー ビー ヴィ | バルク弾性波フィルタにおける通過帯域リップルを抑制する手段を有するバルク弾性波共振器 |
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4117074A (en) * | 1976-08-30 | 1978-09-26 | Tiersten Harry F | Monolithic mosaic piezoelectric transducer utilizing trapped energy modes |
EP0015886A1 (de) * | 1979-03-13 | 1980-09-17 | Toray Industries, Inc. | Verbessertes elektro-akustisches Wandler-Element |
FR2503517A1 (fr) * | 1981-04-06 | 1982-10-08 | Thomson Csf | Transducteur piezo-electrique |
Family Cites Families (3)
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 |
JPS599000B2 (ja) * | 1979-02-13 | 1984-02-28 | 東レ株式会社 | 超音波トランスデユ−サ |
US4383194A (en) * | 1979-05-01 | 1983-05-10 | Toray Industries, Inc. | Electro-acoustic transducer element |
-
1982
- 1982-07-30 FR FR8213357A patent/FR2531298B1/fr not_active Expired
-
1983
- 1983-07-19 EP EP83401485A patent/EP0100711A3/de not_active Withdrawn
- 1983-07-27 US US06/517,686 patent/US4473769A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4117074A (en) * | 1976-08-30 | 1978-09-26 | Tiersten Harry F | Monolithic mosaic piezoelectric transducer utilizing trapped energy modes |
EP0015886A1 (de) * | 1979-03-13 | 1980-09-17 | Toray Industries, Inc. | Verbessertes elektro-akustisches Wandler-Element |
FR2503517A1 (fr) * | 1981-04-06 | 1982-10-08 | Thomson Csf | Transducteur piezo-electrique |
Also Published As
Publication number | Publication date |
---|---|
FR2531298B1 (fr) | 1986-06-27 |
EP0100711A2 (de) | 1984-02-15 |
FR2531298A1 (fr) | 1984-02-03 |
US4473769A (en) | 1984-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): DE GB NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
RHK1 | Main classification (correction) |
Ipc: G10K 11/34 |
|
AK | Designated contracting states |
Designated state(s): DE GB NL SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19850715 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: NGUYEN, HOANG GIANG |