JPH0458760B2 - - Google Patents
Info
- Publication number
- JPH0458760B2 JPH0458760B2 JP60051561A JP5156185A JPH0458760B2 JP H0458760 B2 JPH0458760 B2 JP H0458760B2 JP 60051561 A JP60051561 A JP 60051561A JP 5156185 A JP5156185 A JP 5156185A JP H0458760 B2 JPH0458760 B2 JP H0458760B2
- Authority
- JP
- Japan
- Prior art keywords
- transducer
- space
- lamina
- flakes
- converter
- 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 - Lifetime
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
-
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843409789 DE3409789A1 (de) | 1984-03-16 | 1984-03-16 | Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik |
| DE3409789.9 | 1984-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60236600A JPS60236600A (ja) | 1985-11-25 |
| JPH0458760B2 true JPH0458760B2 (enExample) | 1992-09-18 |
Family
ID=6230775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60051561A Granted JPS60236600A (ja) | 1984-03-16 | 1985-03-14 | 圧電式空気超音波変換器 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4677337A (enExample) |
| EP (1) | EP0154706B1 (enExample) |
| JP (1) | JPS60236600A (enExample) |
| DE (3) | DE3409789A1 (enExample) |
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 |
| EP0181506B1 (en) * | 1984-10-15 | 1991-08-21 | Edo Corporation/Western Division | Flexible piezoelectric transducer assembly |
| 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 |
| US7580750B2 (en) * | 2004-11-24 | 2009-08-25 | 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 |
| JP2009544366A (ja) * | 2006-07-21 | 2009-12-17 | カーディアック ペースメイカーズ, インコーポレイテッド | 金属製キャビティが植え込まれた医療器具に用いる超音波トランスデューサ |
| US7912548B2 (en) * | 2006-07-21 | 2011-03-22 | Cardiac Pacemakers, Inc. | Resonant structures for implantable devices |
| US8825161B1 (en) | 2007-05-17 | 2014-09-02 | Cardiac Pacemakers, Inc. | Acoustic transducer for an implantable medical device |
| US7634318B2 (en) * | 2007-06-14 | 2009-12-15 | 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 DE19843409789 patent/DE3409789A1/de not_active Withdrawn
- 1984-03-16 DE DE8408180U patent/DE8408180U1/de not_active Expired
- 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 |
|---|---|
| US4677337A (en) | 1987-06-30 |
| JPS60236600A (ja) | 1985-11-25 |
| DE8408180U1 (de) | 1986-07-17 |
| DE3481741D1 (de) | 1990-04-26 |
| EP0154706A3 (en) | 1987-04-01 |
| EP0154706A2 (de) | 1985-09-18 |
| DE3409789A1 (de) | 1985-09-26 |
| EP0154706B1 (de) | 1990-03-21 |
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