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GB2163925B - Multi-frequency electro-acoustic transducer - Google Patents

Multi-frequency electro-acoustic transducer

Info

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
Application number
GB08312816A
Other versions
GB2163925A (en
Inventor
Bernard Tocquet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Direction General de lArmement DGA
Gouvernement de la Republique Francaise
Original Assignee
Delegation Generale pour lArmement
Gouvernement de la Republique Francaise
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Delegation Generale pour lArmement, Gouvernement de la Republique Francaise filed Critical Delegation Generale pour lArmement
Publication of GB2163925A publication Critical patent/GB2163925A/en
Application granted granted Critical
Publication of GB2163925B publication Critical patent/GB2163925B/en
Expired legal-status Critical Current

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)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
GB08312816A 1982-05-13 1983-05-11 Multi-frequency electro-acoustic transducer Expired GB2163925B (en)

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)

* Cited by examiner, † Cited by third party
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
WO2001050811A1 (en) 2000-01-06 2001-07-12 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2570915A1 (en) 1986-03-28
GB2163925A (en) 1986-03-05
FR2570915B1 (en) 1989-06-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930512