DE3160140D1 - An acoustic transducer system - Google Patents
An acoustic transducer systemInfo
- 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
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)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
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 (en) |
JP (1) | JPS56165497A (en) |
AT (1) | ATE2981T1 (en) |
AU (1) | AU532596B2 (en) |
CA (1) | CA1136257A (en) |
DE (1) | DE3160140D1 (en) |
MX (1) | MX149462A (en) |
ZA (1) | ZA81876B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3602351C1 (en) * | 1986-01-27 | 1986-12-11 | Endress + Hauser GmbH + Co., 79689 Maulburg | Sound converter system |
DE19601656B4 (en) * | 1996-01-18 | 2009-07-16 | Valeo Schalter Und Sensoren Gmbh | Steamed ultrasonic transducer |
DE19620133C2 (en) * | 1996-05-18 | 2001-09-13 | Endress Hauser Gmbh Co | Sound or ultrasonic sensor |
DE19758243A1 (en) * | 1997-12-30 | 1999-07-15 | Endress Hauser Gmbh Co | Sound converter system |
US8186229B2 (en) * | 2010-01-06 | 2012-05-29 | Daniel Measurement And Control, Inc. | Ultrasonic flow meter having a port cover assembly |
CA2861923A1 (en) | 2012-01-30 | 2013-08-08 | Piezotech, Llc | Pulse-echo acoustic transducer |
DE102013211619A1 (en) * | 2013-06-20 | 2014-12-24 | Robert Bosch Gmbh | Environment sensing device with ultrasonic transducer, and motor vehicle with such environment sensing device |
DE102013211606A1 (en) * | 2013-06-20 | 2014-12-24 | Robert Bosch Gmbh | Environment sensing device with ultrasonic transducer, and motor vehicle with such environment sensing device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3218488A (en) * | 1961-08-01 | 1965-11-16 | Branson Instr | Transducer |
JPS437677Y1 (en) * | 1965-01-02 | 1968-04-05 | ||
FR1546591A (en) * | 1966-08-10 | 1968-11-22 | Univ Ohio State | Electro-mechanical transducers |
JPS5929816B2 (en) * | 1975-08-20 | 1984-07-23 | 松下電器産業株式会社 | ultrasonic probe |
US4078160A (en) * | 1977-07-05 | 1978-03-07 | Motorola, Inc. | Piezoelectric bimorph or monomorph bender structure |
-
1980
- 1980-12-19 CA CA000367186A patent/CA1136257A/en not_active Expired
-
1981
- 1981-01-29 DE DE8181300378T patent/DE3160140D1/en not_active Expired
- 1981-01-29 EP EP81300378A patent/EP0039986B1/en not_active Expired
- 1981-01-29 AT AT81300378T patent/ATE2981T1/en not_active IP Right Cessation
- 1981-02-10 ZA ZA00810876A patent/ZA81876B/en unknown
- 1981-03-09 MX MX186289A patent/MX149462A/en unknown
- 1981-03-11 AU AU68238/81A patent/AU532596B2/en not_active Expired
- 1981-03-14 JP JP3718881A patent/JPS56165497A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
AU532596B2 (en) | 1983-10-06 |
AU6823881A (en) | 1981-10-29 |
JPS56165497A (en) | 1981-12-19 |
EP0039986B1 (en) | 1983-04-06 |
ATE2981T1 (en) | 1983-04-15 |
CA1136257A (en) | 1982-11-23 |
MX149462A (en) | 1983-11-08 |
JPH0134000B2 (en) | 1989-07-17 |
ZA81876B (en) | 1982-02-24 |
EP0039986A1 (en) | 1981-11-18 |
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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 |