GB8910111D0 - Improvements relating to transducers - Google Patents
Improvements relating to transducersInfo
- Publication number
- GB8910111D0 GB8910111D0 GB898910111A GB8910111A GB8910111D0 GB 8910111 D0 GB8910111 D0 GB 8910111D0 GB 898910111 A GB898910111 A GB 898910111A GB 8910111 A GB8910111 A GB 8910111A GB 8910111 D0 GB8910111 D0 GB 8910111D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- transducers
- improvements relating
- relating
- 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- Withdrawn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
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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/09—Forming piezoelectric or electrostrictive materials
- H10N30/098—Forming organic materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8910111A GB2233190A (en) | 1989-05-03 | 1989-05-03 | Improvements relating to transducers. |
EP90907302A EP0423308A1 (en) | 1989-05-03 | 1990-04-27 | PVdF/TrFE PIEZOELECTRIC TRANSDUCER |
PCT/GB1990/000661 WO1990013367A1 (en) | 1989-05-03 | 1990-04-27 | PVdF/TrFE PIEZOELECTRIC TRANSDUCER |
CA002034500A CA2034500A1 (en) | 1989-05-03 | 1990-04-27 | Pvdf/trfe piezoelectric transducer |
AU55624/90A AU5562490A (en) | 1989-05-03 | 1990-04-27 | Pvdf/trfe piezoelectric transducer |
NO910803A NO910803D0 (en) | 1989-05-03 | 1991-02-28 | LARGE RADIATION SURFACES. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8910111A GB2233190A (en) | 1989-05-03 | 1989-05-03 | Improvements relating to transducers. |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8910111D0 true GB8910111D0 (en) | 1989-11-08 |
GB2233190A GB2233190A (en) | 1991-01-02 |
Family
ID=10656123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8910111A Withdrawn GB2233190A (en) | 1989-05-03 | 1989-05-03 | Improvements relating to transducers. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0423308A1 (en) |
AU (1) | AU5562490A (en) |
CA (1) | CA2034500A1 (en) |
GB (1) | GB2233190A (en) |
WO (1) | WO1990013367A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012016378B4 (en) * | 2012-08-13 | 2020-06-18 | Technische Universität Dresden | Dielectric elastomer actuator and process for its manufacture |
US9772220B1 (en) | 2013-12-06 | 2017-09-26 | Harris Corporation | Hydrophone |
WO2016130996A1 (en) | 2015-02-13 | 2016-08-18 | Airmar Technology Corporation | Acoustic transducer element |
Family Cites Families (7)
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 |
GB1593273A (en) * | 1977-09-13 | 1981-07-15 | Standard Telephones Cables Ltd | Electro-acoustic transducers |
FR2409654B1 (en) * | 1977-11-17 | 1985-10-04 | Thomson Csf | PIEZOELECTRIC TRANSDUCER DEVICE AND MANUFACTURING METHOD THEREOF |
US4322877A (en) * | 1978-09-20 | 1982-04-06 | Minnesota Mining And Manufacturing Company | Method of making piezoelectric polymeric acoustic transducer |
US4692285A (en) * | 1985-07-01 | 1987-09-08 | Pennwalt Corporation | Process of preparing nonfibrous, piezoelectric polymer sheet of improved activity |
US4789971A (en) * | 1986-04-07 | 1988-12-06 | The United States Of America As Represented By The Secretary Of The Navy | Broadband, acoustically transparent, nonresonant PVDF hydrophone |
-
1989
- 1989-05-03 GB GB8910111A patent/GB2233190A/en not_active Withdrawn
-
1990
- 1990-04-27 WO PCT/GB1990/000661 patent/WO1990013367A1/en not_active Application Discontinuation
- 1990-04-27 AU AU55624/90A patent/AU5562490A/en not_active Abandoned
- 1990-04-27 EP EP90907302A patent/EP0423308A1/en not_active Withdrawn
- 1990-04-27 CA CA002034500A patent/CA2034500A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0423308A1 (en) | 1991-04-24 |
AU5562490A (en) | 1990-11-29 |
WO1990013367A1 (en) | 1990-11-15 |
GB2233190A (en) | 1991-01-02 |
CA2034500A1 (en) | 1990-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |