DE3160140D1 - An acoustic transducer system - Google Patents

An acoustic transducer system

Info

Publication number
DE3160140D1
DE3160140D1 DE8181300378T DE3160140T DE3160140D1 DE 3160140 D1 DE3160140 D1 DE 3160140D1 DE 8181300378 T DE8181300378 T DE 8181300378T DE 3160140 T DE3160140 T DE 3160140T DE 3160140 D1 DE3160140 D1 DE 3160140D1
Authority
DE
Germany
Prior art keywords
vibratable member
coupled
acoustic
sound
acoustic 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
Application number
DE8181300378T
Other languages
German (de)
English (en)
Inventor
Stanley Panton
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.)
Siemens Canada Ltd
Original Assignee
Federal Industries Industrial Group Inc
Milltronics Ltd
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 Federal Industries Industrial Group Inc, Milltronics Ltd filed Critical Federal Industries Industrial Group Inc
Application granted granted Critical
Publication of DE3160140D1 publication Critical patent/DE3160140D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE8181300378T 1980-04-21 1981-01-29 An acoustic transducer system Expired DE3160140D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14201480A 1980-04-21 1980-04-21

Publications (1)

Publication Number Publication Date
DE3160140D1 true DE3160140D1 (en) 1983-05-11

Family

ID=22498204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181300378T Expired DE3160140D1 (en) 1980-04-21 1981-01-29 An acoustic transducer system

Country Status (8)

Country Link
EP (1) EP0039986B1 (enExample)
JP (1) JPS56165497A (enExample)
AT (1) ATE2981T1 (enExample)
AU (1) AU532596B2 (enExample)
CA (1) CA1136257A (enExample)
DE (1) DE3160140D1 (enExample)
MX (1) MX149462A (enExample)
ZA (1) ZA81876B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3602351C1 (de) * 1986-01-27 1986-12-11 Endress + Hauser GmbH + Co., 79689 Maulburg Schallwandlersystem
DE19601656B4 (de) * 1996-01-18 2009-07-16 Valeo Schalter Und Sensoren Gmbh Bedämpfter Ultraschallwandler
DE19620133C2 (de) * 1996-05-18 2001-09-13 Endress Hauser Gmbh Co Schall- oder Ultraschallsensor
DE19758243A1 (de) * 1997-12-30 1999-07-15 Endress Hauser Gmbh Co Schallwandlersystem
US8186229B2 (en) * 2010-01-06 2012-05-29 Daniel Measurement And Control, Inc. Ultrasonic flow meter having a port cover assembly
JP2015508960A (ja) 2012-01-30 2015-03-23 ピエゾテック・エルエルシー パルスエコー音響変換装置
DE102013211606A1 (de) * 2013-06-20 2014-12-24 Robert Bosch Gmbh Umfeldsensiereinrichtung mit Ultraschallwandler, und Kraftfahrzeug mit einer derartigen Umfeldsensiereinrichtung
DE102013211619A1 (de) * 2013-06-20 2014-12-24 Robert Bosch Gmbh Umfeldsensiereinrichtung mit Ultraschallwandler, und Kraftfahrzeug mit einer derartigen Umfeldsensiereinrichtung
CN120175690B (zh) * 2025-04-27 2025-11-11 常州威图流体科技有限公司 高阶振动风扇

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218488A (en) * 1961-08-01 1965-11-16 Branson Instr Transducer
JPS437677Y1 (enExample) * 1965-01-02 1968-04-05
FR1546591A (fr) * 1966-08-10 1968-11-22 Univ Ohio State Transducteurs électro-mécaniques
JPS5929816B2 (ja) * 1975-08-20 1984-07-23 松下電器産業株式会社 超音波探触子
US4078160A (en) * 1977-07-05 1978-03-07 Motorola, Inc. Piezoelectric bimorph or monomorph bender structure

Also Published As

Publication number Publication date
JPH0134000B2 (enExample) 1989-07-17
CA1136257A (en) 1982-11-23
AU532596B2 (en) 1983-10-06
ZA81876B (en) 1982-02-24
ATE2981T1 (de) 1983-04-15
EP0039986A1 (en) 1981-11-18
AU6823881A (en) 1981-10-29
JPS56165497A (en) 1981-12-19
EP0039986B1 (en) 1983-04-06
MX149462A (es) 1983-11-08

Similar Documents

Publication Publication Date Title
AU569833B2 (en) Submersible acoustic device
EP0097692A1 (en) PIEZOELECTRIC SPEAKER COUPLED TO RESONANCE STRUCTURES.
EA200100303A1 (ru) Акустическое устройство панельного типа с использованием мод колебаний изгибных волн
ZA81876B (en) Acoustic transducers
KR930015319A (ko) 표면 음향파 필터
SE9101427L (sv) Foerfarande och elektroakustisk omvandlare foer utsaendning av akustiska vaagor med laag frekvens i en vaetska
HK50082A (en) Electro-acoustic tranducer
GB405613A (en) Improvements in and relating to the directive discrimination of sound beams
DE59010738D1 (de) Frequenzselektiver Ultraschall-Schichtwandler
EP0172268A3 (en) Magnetomechanical transducers utilizing resonant frequency
CA2257584A1 (en) Acoustic transducer system
BR9004306A (pt) Alto falante piezo-eletrico para altas frequencias aperfeicoado
JPH05167540A (ja) 超音波通信法
EP0123455A3 (en) Acoustic receiver transducer
US5024092A (en) Method and apparatus for selective transmission and reflection of sound through a solid
EP0225113A3 (en) Magnetostrictive transducer apparatus
ATE237211T1 (de) Akustische vorrichtung nach dem biegewellenprinzip
JPS57166717A (en) Piezoelectric bimorph oscillator
JPS55110227A (en) Photo control device
SU868572A1 (ru) Ультразвуковой резонансный преобразователь
JPS5775097A (en) Ultrasonic transducer
JPS57183112A (en) Acoustic input and output coupler
JPS5797799A (en) Ultrasonic wave transmitter and receiver
DE3319630A1 (de) Membran fuer schallwandler, insbesondere lautsprecher
JPS5471618A (en) Electro-acoustic transducer

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: FEDERAL INDUSTRIES INDUSTRIAL GROUP, INC., TORONTO

8328 Change in the person/name/address of the agent

Free format text: MUELLER, H., DIPL.-ING., 8000 MUENCHEN SCHUPFNER, G., DIPL.-CHEM. DR.PHIL.NAT., 2110 BUCHHOLZ GAUGER, H., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8328 Change in the person/name/address of the agent

Free format text: VON FUENER, A., DIPL.-CHEM. DR.RER.NAT. EBBINGHAUS, D., DIPL.-ING. FINCK, K., DIPL.-ING. DR.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: MILLTRONICS LTD., PETERBOROGH, ONTARIO, US

8328 Change in the person/name/address of the agent

Free format text: MUELLER, H., DIPL.-ING., 8000 MUENCHEN SCHUPFNER, G., DIPL.-CHEM. DR.PHIL.NAT., 2110 BUCHHOLZ GAUGER, H., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN