CA1136257A - Transducteur directionnel a bande passante large - Google Patents
Transducteur directionnel a bande passante largeInfo
- Publication number
- CA1136257A CA1136257A CA000367186A CA367186A CA1136257A CA 1136257 A CA1136257 A CA 1136257A CA 000367186 A CA000367186 A CA 000367186A CA 367186 A CA367186 A CA 367186A CA 1136257 A CA1136257 A CA 1136257A
- Authority
- CA
- Canada
- Prior art keywords
- plate
- sound
- zones
- transducer
- thickness
- 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 72
- 238000010168 coupling process Methods 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 230000005855 radiation Effects 0.000 claims description 21
- 230000010363 phase shift Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 abstract description 10
- 230000003993 interaction Effects 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 32
- 238000012360 testing method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 229920001821 foam rubber Polymers 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 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 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000755 6061-T6 aluminium alloy Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 101100167365 Caenorhabditis elegans cha-1 gene Proteins 0.000 description 1
- 241000283986 Lepus Species 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- SMNRFWMNPDABKZ-WVALLCKVSA-N [[(2R,3S,4R,5S)-5-(2,6-dioxo-3H-pyridin-3-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] [[[(2R,3S,4S,5R,6R)-4-fluoro-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl] hydrogen phosphate Chemical compound OC[C@H]1O[C@H](OP(O)(=O)OP(O)(=O)OP(O)(=O)OP(O)(=O)OC[C@H]2O[C@H]([C@H](O)[C@@H]2O)C2C=CC(=O)NC2=O)[C@H](O)[C@@H](F)[C@@H]1O SMNRFWMNPDABKZ-WVALLCKVSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002989 correction material Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 229940099514 low-density polyethylene Drugs 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect 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
- 230000002311 subsequent effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14201480A | 1980-04-21 | 1980-04-21 | |
| US142,014 | 1988-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1136257A true CA1136257A (fr) | 1982-11-23 |
Family
ID=22498204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000367186A Expired CA1136257A (fr) | 1980-04-21 | 1980-12-19 | Transducteur directionnel a bande passante large |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0039986B1 (fr) |
| JP (1) | JPS56165497A (fr) |
| AT (1) | ATE2981T1 (fr) |
| AU (1) | AU532596B2 (fr) |
| CA (1) | CA1136257A (fr) |
| DE (1) | DE3160140D1 (fr) |
| MX (1) | MX149462A (fr) |
| ZA (1) | ZA81876B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258743A (zh) * | 2010-01-06 | 2016-01-20 | 丹尼尔测量和控制公司 | 用于测量流体通过管路流动的超声波流量计 |
Families Citing this family (7)
| 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 |
| CA2861923A1 (fr) | 2012-01-30 | 2013-08-08 | Piezotech, Llc | Transducteur acoustique a echo d'impulsion |
| DE102013211619A1 (de) * | 2013-06-20 | 2014-12-24 | Robert Bosch Gmbh | Umfeldsensiereinrichtung mit Ultraschallwandler, und Kraftfahrzeug mit einer derartigen Umfeldsensiereinrichtung |
| DE102013211606A1 (de) * | 2013-06-20 | 2014-12-24 | Robert Bosch Gmbh | Umfeldsensiereinrichtung mit Ultraschallwandler, und Kraftfahrzeug mit einer derartigen Umfeldsensiereinrichtung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3218488A (en) * | 1961-08-01 | 1965-11-16 | Branson Instr | Transducer |
| JPS437677Y1 (fr) * | 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 |
-
1980
- 1980-12-19 CA CA000367186A patent/CA1136257A/fr not_active Expired
-
1981
- 1981-01-29 DE DE8181300378T patent/DE3160140D1/de not_active Expired
- 1981-01-29 EP EP81300378A patent/EP0039986B1/fr not_active Expired
- 1981-01-29 AT AT81300378T patent/ATE2981T1/de not_active IP Right Cessation
- 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
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258743A (zh) * | 2010-01-06 | 2016-01-20 | 丹尼尔测量和控制公司 | 用于测量流体通过管路流动的超声波流量计 |
| CN105258743B (zh) * | 2010-01-06 | 2019-04-09 | 丹尼尔测量和控制公司 | 用于测量流体通过管路流动的超声波流量计 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU532596B2 (en) | 1983-10-06 |
| AU6823881A (en) | 1981-10-29 |
| JPS56165497A (en) | 1981-12-19 |
| EP0039986B1 (fr) | 1983-04-06 |
| ATE2981T1 (de) | 1983-04-15 |
| DE3160140D1 (en) | 1983-05-11 |
| MX149462A (es) | 1983-11-08 |
| JPH0134000B2 (fr) | 1989-07-17 |
| ZA81876B (en) | 1982-02-24 |
| EP0039986A1 (fr) | 1981-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |