DE8408180U1 - Piezoelektrischer Luft-Ultraschallwandler mit Breitbandcharakteristik - Google Patents
Piezoelektrischer Luft-Ultraschallwandler mit BreitbandcharakteristikInfo
- Publication number
- DE8408180U1 DE8408180U1 DE8408180U DE8408180U DE8408180U1 DE 8408180 U1 DE8408180 U1 DE 8408180U1 DE 8408180 U DE8408180 U DE 8408180U DE 8408180 U DE8408180 U DE 8408180U DE 8408180 U1 DE8408180 U1 DE 8408180U1
- Authority
- DE
- Germany
- Prior art keywords
- lamellae
- converter
- converter according
- transducer
- lamellas
- 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 description 27
- 241000446313 Lamella Species 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 238000013017 mechanical damping Methods 0.000 claims description 2
- -1 Polyethylene Polymers 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 9
- 229920000573 polyethylene Polymers 0.000 description 9
- 230000005855 radiation Effects 0.000 description 6
- 238000006880 cross-coupling reaction Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 239000011888 foil Substances 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 101001098066 Naja melanoleuca Basic phospholipase A2 1 Proteins 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 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
-
- 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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843409789 DE3409789A1 (de) | 1984-03-16 | 1984-03-16 | Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE8408180U1 true DE8408180U1 (de) | 1986-07-17 |
Family
ID=6230775
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8408180U Expired DE8408180U1 (de) | 1984-03-16 | 1984-03-16 | Piezoelektrischer Luft-Ultraschallwandler mit Breitbandcharakteristik |
| DE19843409789 Withdrawn DE3409789A1 (de) | 1984-03-16 | 1984-03-16 | Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik |
| DE8484115390T Expired - Lifetime DE3481741D1 (de) | 1984-03-16 | 1984-12-13 | Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik. |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843409789 Withdrawn DE3409789A1 (de) | 1984-03-16 | 1984-03-16 | Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik |
| DE8484115390T Expired - Lifetime DE3481741D1 (de) | 1984-03-16 | 1984-12-13 | Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4677337A (cg-RX-API-DMAC10.html) |
| EP (1) | EP0154706B1 (cg-RX-API-DMAC10.html) |
| JP (1) | JPS60236600A (cg-RX-API-DMAC10.html) |
| DE (3) | DE8408180U1 (cg-RX-API-DMAC10.html) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5488952A (en) * | 1982-02-24 | 1996-02-06 | Schoolman Scientific Corp. | Stereoscopically display three dimensional ultrasound imaging |
| JPS61172081A (ja) * | 1984-10-15 | 1986-08-02 | エド コ−ポレ−シヨン／ウエスタン デイヴイジヨン | 可撓性圧電変換器アセンブリ−及びソナ−圧電変換器アセンブリ− |
| US4864179A (en) * | 1986-10-10 | 1989-09-05 | Edo Corporation, Western Division | Two-dimensional piezoelectric transducer assembly |
| US4833360A (en) * | 1987-05-15 | 1989-05-23 | Board Of Regents The University Of Texas System | Sonar system using acoustically transparent continuous aperture transducers for multiple beam beamformation |
| US4914565A (en) * | 1987-05-22 | 1990-04-03 | Siemens Aktiengesellschaft | Piezo-electric transducer having electrodes that adhere well both to ceramic as well as to plastics |
| US4985926A (en) * | 1988-02-29 | 1991-01-15 | Motorola, Inc. | High impedance piezoelectric transducer |
| DE3920663A1 (de) * | 1989-06-23 | 1991-01-10 | Siemens Ag | Breitstrahlender ultraschallwandler |
| EP0451306B1 (de) * | 1990-04-09 | 1997-07-16 | Siemens Aktiengesellschaft | Frequenzselektiver Ultraschall-Schichtwandler |
| US5852589A (en) * | 1990-07-19 | 1998-12-22 | Raytheon Company | Low cost composite transducer |
| GB9224292D0 (en) * | 1992-11-19 | 1993-02-17 | Flow Research Evaluation Diagn | Sonar transducers |
| US6225728B1 (en) * | 1994-08-18 | 2001-05-01 | Agilent Technologies, Inc. | Composite piezoelectric transducer arrays with improved acoustical and electrical impedance |
| US20030036746A1 (en) | 2001-08-16 | 2003-02-20 | Avi Penner | Devices for intrabody delivery of molecules and systems and methods utilizing same |
| US6255761B1 (en) * | 1999-10-04 | 2001-07-03 | The United States Of America As Represented By The Secretary Of The Navy | Shaped piezoelectric composite transducer |
| JP3449345B2 (ja) * | 2000-08-11 | 2003-09-22 | 株式会社村田製作所 | センサアレイおよび送受信装置 |
| US7489967B2 (en) * | 2004-07-09 | 2009-02-10 | Cardiac Pacemakers, Inc. | Method and apparatus of acoustic communication for implantable medical device |
| EP1838210B1 (en) * | 2004-11-24 | 2010-10-13 | Remon Medical Technologies Ltd. | Implantable medical device with integrated acoustic transducer |
| US7522962B1 (en) | 2004-12-03 | 2009-04-21 | Remon Medical Technologies, Ltd | Implantable medical device with integrated acoustic transducer |
| US7570998B2 (en) * | 2005-08-26 | 2009-08-04 | Cardiac Pacemakers, Inc. | Acoustic communication transducer in implantable medical device header |
| US7615012B2 (en) * | 2005-08-26 | 2009-11-10 | Cardiac Pacemakers, Inc. | Broadband acoustic sensor for an implantable medical device |
| US7912548B2 (en) * | 2006-07-21 | 2011-03-22 | Cardiac Pacemakers, Inc. | Resonant structures for implantable devices |
| WO2008011577A2 (en) * | 2006-07-21 | 2008-01-24 | Cardiac Pacemakers, Inc. | Ultrasonic transducer for a metallic cavity implanted medical device |
| US8825161B1 (en) | 2007-05-17 | 2014-09-02 | Cardiac Pacemakers, Inc. | Acoustic transducer for an implantable medical device |
| EP2162185B1 (en) | 2007-06-14 | 2015-07-01 | Cardiac Pacemakers, Inc. | Multi-element acoustic recharging system |
| GB0813014D0 (en) | 2008-07-16 | 2008-08-20 | Groveley Detection Ltd | Detector and methods of detecting |
| JP7474187B2 (ja) * | 2020-12-15 | 2024-04-24 | 株式会社豊田中央研究所 | 吸音構造体 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2408028A (en) * | 1934-01-19 | 1946-09-24 | Submarine Signal Co | Means for sending and receiving compressional waves |
| US2829361A (en) * | 1945-10-01 | 1958-04-01 | Gen Electric | Electroacoustic transducer |
| US2943297A (en) * | 1950-04-27 | 1960-06-28 | Raymond L Steinberger | Multiple element electroacoustic transducer |
| US3409869A (en) * | 1965-07-21 | 1968-11-05 | Navy Usa | Deep submergence acoustic transducer array construction |
| US3353150A (en) * | 1965-10-22 | 1967-11-14 | Atlantic Res Corp | Foam-filled transducer |
| US3907062A (en) * | 1973-12-17 | 1975-09-23 | Us Navy | Compliant blanket acoustic baffle |
| US3924259A (en) * | 1974-05-15 | 1975-12-02 | Raytheon Co | Array of multicellular transducers |
| US4122725A (en) * | 1976-06-16 | 1978-10-31 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Length mode piezoelectric ultrasonic transducer for inspection of solid objects |
| JPS5339771A (en) * | 1976-09-24 | 1978-04-11 | Nec Corp | Water pressure resisting transmitter and receelver |
| JPS5353393A (en) * | 1976-10-25 | 1978-05-15 | Matsushita Electric Ind Co Ltd | Ultrasonic probe |
| US4376302A (en) * | 1978-04-13 | 1983-03-08 | The United States Of America As Represented By The Secretary Of The Navy | Piezoelectric polymer hydrophone |
| DE2829539C2 (de) * | 1978-07-05 | 1980-01-17 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Herstellung von Ultraschallköpfen |
| DE2842086B2 (de) * | 1978-09-27 | 1980-10-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektroakustischer Wandler mit hohem Wirkungsgrad |
| US4233477A (en) * | 1979-01-31 | 1980-11-11 | The United States Of America As Represented By The Secretary Of The Navy | Flexible, shapeable, composite acoustic transducer |
| JPS56161799A (en) * | 1980-05-15 | 1981-12-12 | Matsushita Electric Ind Co Ltd | Ultrasonic wave probe |
| US4366406A (en) * | 1981-03-30 | 1982-12-28 | General Electric Company | Ultrasonic transducer for single frequency applications |
| US4518889A (en) * | 1982-09-22 | 1985-05-21 | North American Philips Corporation | Piezoelectric apodized ultrasound transducers |
| US4550606A (en) * | 1982-09-28 | 1985-11-05 | Cornell Research Foundation, Inc. | Ultrasonic transducer array with controlled excitation pattern |
| US4514247A (en) * | 1983-08-15 | 1985-04-30 | North American Philips Corporation | Method for fabricating composite transducers |
-
1984
- 1984-03-16 DE DE8408180U patent/DE8408180U1/de not_active Expired
- 1984-03-16 DE DE19843409789 patent/DE3409789A1/de not_active Withdrawn
- 1984-12-13 DE DE8484115390T patent/DE3481741D1/de not_active Expired - Lifetime
- 1984-12-13 EP EP84115390A patent/EP0154706B1/de not_active Expired - Lifetime
-
1985
- 1985-03-14 JP JP60051561A patent/JPS60236600A/ja active Granted
-
1986
- 1986-10-29 US US06/926,801 patent/US4677337A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0154706B1 (de) | 1990-03-21 |
| DE3481741D1 (de) | 1990-04-26 |
| US4677337A (en) | 1987-06-30 |
| JPS60236600A (ja) | 1985-11-25 |
| DE3409789A1 (de) | 1985-09-26 |
| EP0154706A2 (de) | 1985-09-18 |
| JPH0458760B2 (cg-RX-API-DMAC10.html) | 1992-09-18 |
| EP0154706A3 (en) | 1987-04-01 |
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