JPH0134000B2 - - Google Patents
Info
- Publication number
- JPH0134000B2 JPH0134000B2 JP56037188A JP3718881A JPH0134000B2 JP H0134000 B2 JPH0134000 B2 JP H0134000B2 JP 56037188 A JP56037188 A JP 56037188A JP 3718881 A JP3718881 A JP 3718881A JP H0134000 B2 JPH0134000 B2 JP H0134000B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- acoustic
- sound
- antinode
- 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
- 239000000463 material Substances 0.000 claims abstract description 73
- 230000002829 reductive effect Effects 0.000 claims abstract description 10
- 230000005855 radiation Effects 0.000 claims description 22
- 238000005452 bending Methods 0.000 claims description 13
- 230000010363 phase shift Effects 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000001902 propagating effect Effects 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims 1
- 238000010168 coupling process Methods 0.000 abstract description 20
- 230000008878 coupling Effects 0.000 abstract description 19
- 238000005859 coupling reaction Methods 0.000 abstract description 19
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 35
- 230000033001 locomotion Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000007799 cork Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 3
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920006327 polystyrene foam Polymers 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004618 solid polyurethane elastomer Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011090 industrial biotechnology method and process Methods 0.000 description 1
- 238000013383 initial experiment Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14201480A | 1980-04-21 | 1980-04-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56165497A JPS56165497A (en) | 1981-12-19 |
| JPH0134000B2 true JPH0134000B2 (de) | 1989-07-17 |
Family
ID=22498204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3718881A Granted JPS56165497A (en) | 1980-04-21 | 1981-03-14 | Acoustic converter |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0039986B1 (de) |
| JP (1) | JPS56165497A (de) |
| AT (1) | ATE2981T1 (de) |
| AU (1) | AU532596B2 (de) |
| CA (1) | CA1136257A (de) |
| DE (1) | DE3160140D1 (de) |
| MX (1) | MX149462A (de) |
| ZA (1) | ZA81876B (de) |
Families Citing this family (8)
| 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 |
| EP2810455A4 (de) | 2012-01-30 | 2015-11-04 | Piezotech Llc | Akustischer impulsechowandler |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3218488A (en) * | 1961-08-01 | 1965-11-16 | Branson Instr | Transducer |
| JPS437677Y1 (de) * | 1965-01-02 | 1968-04-05 | ||
| JPS5224575A (en) * | 1975-08-20 | 1977-02-24 | Matsushita Electric Ind Co Ltd | Ultrasonic probe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1546591A (fr) * | 1966-08-10 | 1968-11-22 | Univ Ohio State | Transducteurs électro-mécaniques |
| 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 AT AT81300378T patent/ATE2981T1/de not_active IP Right Cessation
- 1981-01-29 EP EP81300378A patent/EP0039986B1/de not_active Expired
- 1981-01-29 DE DE8181300378T patent/DE3160140D1/de not_active Expired
- 1981-02-10 ZA ZA00810876A patent/ZA81876B/xx unknown
- 1981-03-09 MX MX186289A patent/MX149462A/es unknown
- 1981-03-11 AU AU68238/81A patent/AU532596B2/en not_active Expired
- 1981-03-14 JP JP3718881A patent/JPS56165497A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3218488A (en) * | 1961-08-01 | 1965-11-16 | Branson Instr | Transducer |
| JPS437677Y1 (de) * | 1965-01-02 | 1968-04-05 | ||
| JPS5224575A (en) * | 1975-08-20 | 1977-02-24 | Matsushita Electric Ind Co Ltd | Ultrasonic probe |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56165497A (en) | 1981-12-19 |
| ATE2981T1 (de) | 1983-04-15 |
| AU532596B2 (en) | 1983-10-06 |
| ZA81876B (en) | 1982-02-24 |
| AU6823881A (en) | 1981-10-29 |
| CA1136257A (en) | 1982-11-23 |
| EP0039986A1 (de) | 1981-11-18 |
| EP0039986B1 (de) | 1983-04-06 |
| MX149462A (es) | 1983-11-08 |
| DE3160140D1 (en) | 1983-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4333028A (en) | Damped acoustic transducers with piezoelectric drivers | |
| US4546459A (en) | Method and apparatus for a phased array transducer | |
| US5452267A (en) | Midrange ultrasonic transducer | |
| US4768615A (en) | Acoustic transducer system | |
| US5220535A (en) | Sonar baffles | |
| US4328569A (en) | Array shading for a broadband constant directivity transducer | |
| JP2005504979A (ja) | 液面測定装置 | |
| US3849679A (en) | Electroacoustic transducer with controlled beam pattern | |
| CN101964185A (zh) | 一种超宽带水声换能器 | |
| JPS6340400B2 (de) | ||
| US5363345A (en) | Process and electro-acoustic transducers for transmitting low-frequency acoustic waves in a liquid | |
| US8780674B2 (en) | Acoustic wave transducer and sonar antenna with improved directivity | |
| JPH0134000B2 (de) | ||
| US3946831A (en) | Acoustic transmitter | |
| CN107306372B (zh) | 具有放射元件的超声波换能器 | |
| US6353277B1 (en) | Acoustic transducer | |
| JP3062170B2 (ja) | 音響変換装置 | |
| JP2000083295A (ja) | 複合型振動子 | |
| US4982386A (en) | Underwater acoustic waveguide transducer for deep ocean depths | |
| US3983425A (en) | Tuned plate acoustic projector with piezoelectric driver | |
| US3391385A (en) | Electromechanical transducer | |
| JPH0787639B2 (ja) | 広幅ビーム放射超音波変換器 | |
| RU2712924C1 (ru) | Электроакустический ненаправленный преобразователь | |
| US3277434A (en) | Transducer pressure release under high environmental pressure | |
| US20240056726A1 (en) | Flextensional low frequency sound projector |