GB2163925B - Multi-frequency electro-acoustic transducer - Google Patents
Multi-frequency electro-acoustic transducerInfo
- Publication number
- GB2163925B GB2163925B GB08312816A GB8312816A GB2163925B GB 2163925 B GB2163925 B GB 2163925B GB 08312816 A GB08312816 A GB 08312816A GB 8312816 A GB8312816 A GB 8312816A GB 2163925 B GB2163925 B GB 2163925B
- Authority
- GB
- United Kingdom
- Prior art keywords
- acoustic transducer
- frequency electro
- electro
- frequency
- acoustic
- 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
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
- B06B1/0607—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 using multiple elements
- B06B1/0611—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 using multiple elements in a pile
- B06B1/0618—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 using multiple elements in a pile of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8208321A FR2570915B1 (en) | 1982-05-13 | 1982-05-13 | MULTI-FREQUENCY ELECTROACOUSTIC TRANSDUCER AND CONSTRUCTION METHOD |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2163925A GB2163925A (en) | 1986-03-05 |
GB2163925B true GB2163925B (en) | 1986-09-17 |
Family
ID=9273987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08312816A Expired GB2163925B (en) | 1982-05-13 | 1983-05-11 | Multi-frequency electro-acoustic transducer |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2570915B1 (en) |
GB (1) | GB2163925B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2570916B1 (en) * | 1983-06-23 | 1988-04-15 | France Etat Armement | ELECTRO-ACOUSTIC TRANSDUCER AND METHOD FOR TRANSMITTING OR RECEIVING ACOUSTIC WAVES IN SEVERAL BANDWIDTHS |
GB2258364A (en) * | 1991-07-30 | 1993-02-03 | Intravascular Res Ltd | Ultrasonic tranducer |
GB9409133D0 (en) * | 1994-05-09 | 1994-11-30 | Secr Defence | Sonar ring transducer |
AU2769501A (en) | 2000-01-06 | 2001-07-16 | Lockheed Martin Corporation | Active housing broadband tonpilz transducer |
US7535801B1 (en) * | 2005-04-29 | 2009-05-19 | Lockheed Martin Corporation | Multiple frequency sonar transducer |
US11931776B2 (en) | 2018-12-26 | 2024-03-19 | Industrial Technology Research Institute | Actuator, method for manufacturing the actuator, and acoustic transmitter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2076200A5 (en) * | 1970-01-06 | 1971-10-15 | Brandt Otto | |
FR2096822B1 (en) * | 1970-07-02 | 1973-10-19 | Quivy Michel | |
GB2077552B (en) * | 1980-05-21 | 1983-11-30 | Smiths Industries Ltd | Multi-frequency transducer elements |
JPS5914840Y2 (en) * | 1980-11-13 | 1984-05-01 | 栄通信工業株式会社 | rotary dial device |
-
1982
- 1982-05-13 FR FR8208321A patent/FR2570915B1/en not_active Expired
-
1983
- 1983-05-11 GB GB08312816A patent/GB2163925B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2163925A (en) | 1986-03-05 |
FR2570915B1 (en) | 1989-06-30 |
FR2570915A1 (en) | 1986-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930512 |