ZA81876B - Acoustic transducers - Google Patents

Acoustic transducers

Info

Publication number
ZA81876B
ZA81876B ZA00810876A ZA81876A ZA81876B ZA 81876 B ZA81876 B ZA 81876B ZA 00810876 A ZA00810876 A ZA 00810876A ZA 81876 A ZA81876 A ZA 81876A ZA 81876 B ZA81876 B ZA 81876B
Authority
ZA
South Africa
Prior art keywords
vibratable member
coupled
acoustic
sound
air
Prior art date
Application number
ZA00810876A
Other languages
English (en)
Inventor
S Panton
Original Assignee
Federal Ind Ind Group Inc
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 Ind Ind Group Inc filed Critical Federal Ind Ind Group Inc
Publication of ZA81876B publication Critical patent/ZA81876B/xx

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)
ZA00810876A 1980-04-21 1981-02-10 Acoustic transducers ZA81876B (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
ZA81876B true ZA81876B (en) 1982-02-24

Family

ID=22498204

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00810876A ZA81876B (en) 1980-04-21 1981-02-10 Acoustic transducers

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
DE3160140D1 (en) 1983-05-11
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

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