WO2003064979A1 - Emetteur-recepteur ultrasonore et debitmetre ultrasonore - Google Patents
Emetteur-recepteur ultrasonore et debitmetre ultrasonore Download PDFInfo
- Publication number
- WO2003064979A1 WO2003064979A1 PCT/JP2003/000742 JP0300742W WO03064979A1 WO 2003064979 A1 WO2003064979 A1 WO 2003064979A1 JP 0300742 W JP0300742 W JP 0300742W WO 03064979 A1 WO03064979 A1 WO 03064979A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- matching layer
- acoustic matching
- ultrasonic
- piezoelectric body
- receiver
- Prior art date
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
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB038013703A CN1318824C (zh) | 2002-01-28 | 2003-01-27 | 超声波发送接收器及超声波流量计 |
EP20030701891 EP1416255A1 (en) | 2002-01-28 | 2003-01-27 | Ultrasonic transmitter-receiver and ultrasonic flowmeter |
US10/473,752 US7061163B2 (en) | 2002-01-28 | 2003-01-27 | Ultrasonic transducer and ultrasonic flowmeter |
JP2003564529A JP3633926B2 (ja) | 2002-01-28 | 2003-01-27 | 超音波送受信器および超音波流量計 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-018047 | 2002-01-28 | ||
JP2002018047 | 2002-01-28 | ||
JP2002027834 | 2002-02-05 | ||
JP2002-027834 | 2002-02-05 | ||
JP2002194203 | 2002-07-03 | ||
JP2002-194203 | 2002-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003064979A1 true WO2003064979A1 (fr) | 2003-08-07 |
Family
ID=27670269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/000742 WO2003064979A1 (fr) | 2002-01-28 | 2003-01-27 | Emetteur-recepteur ultrasonore et debitmetre ultrasonore |
Country Status (5)
Country | Link |
---|---|
US (1) | US7061163B2 (ja) |
EP (1) | EP1416255A1 (ja) |
JP (1) | JP3633926B2 (ja) |
CN (1) | CN1318824C (ja) |
WO (1) | WO2003064979A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005068537A1 (ja) * | 2004-01-15 | 2005-07-28 | Matsushita Electric Industrial Co., Ltd. | 多孔体およびその製造方法 |
JPWO2005020631A1 (ja) * | 2003-08-22 | 2007-11-01 | 松下電器産業株式会社 | 音響整合体およびその製造方法、ならびに超音波センサおよび超音波送受信装置 |
JP2009218748A (ja) * | 2008-03-07 | 2009-09-24 | Panasonic Corp | 音響整合体、超音波送受波器および超音波流量計 |
JP2013509121A (ja) * | 2009-10-29 | 2013-03-07 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 流体媒体に使用するための超音波変換器 |
Families Citing this family (98)
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WO2004057913A1 (ja) * | 2002-12-20 | 2004-07-08 | Matsushita Electric Industrial Co., Ltd. | 超音波送受波器およびその製造方法、ならびに超音波流量計 |
JPWO2005029912A1 (ja) * | 2003-09-18 | 2006-11-30 | 松下電器産業株式会社 | 超音波振動子を用いた超音波流量計 |
JP4181103B2 (ja) * | 2004-09-30 | 2008-11-12 | 株式会社東芝 | 超音波プローブおよび超音波診断装置 |
US7263874B2 (en) * | 2005-06-08 | 2007-09-04 | Bioscale, Inc. | Methods and apparatus for determining properties of a fluid |
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JP4888112B2 (ja) * | 2006-12-28 | 2012-02-29 | パナソニック株式会社 | 超音波送受波器および超音波流量計 |
JP4301298B2 (ja) * | 2007-01-29 | 2009-07-22 | 株式会社デンソー | 超音波センサ及び超音波センサの製造方法 |
DE102007060989A1 (de) * | 2007-12-14 | 2009-06-18 | Endress + Hauser Flowtec Ag | Ultraschallwandler zur Bestimmung und/oder Überwachung eines Durchflusses eines Messmediums durch ein Messrohr |
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JP7281668B2 (ja) * | 2019-08-02 | 2023-05-26 | パナソニックIpマネジメント株式会社 | 超音波送受信器、および超音波流量計 |
JP7296581B2 (ja) | 2019-08-08 | 2023-06-23 | パナソニックIpマネジメント株式会社 | 超音波センサ |
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- 2003-01-27 JP JP2003564529A patent/JP3633926B2/ja not_active Expired - Lifetime
- 2003-01-27 EP EP20030701891 patent/EP1416255A1/en not_active Withdrawn
- 2003-01-27 CN CNB038013703A patent/CN1318824C/zh not_active Expired - Lifetime
- 2003-01-27 US US10/473,752 patent/US7061163B2/en not_active Expired - Lifetime
- 2003-01-27 WO PCT/JP2003/000742 patent/WO2003064979A1/ja active Application Filing
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPWO2005020631A1 (ja) * | 2003-08-22 | 2007-11-01 | 松下電器産業株式会社 | 音響整合体およびその製造方法、ならびに超音波センサおよび超音波送受信装置 |
JP4717634B2 (ja) * | 2003-08-22 | 2011-07-06 | パナソニック株式会社 | 音響整合体およびその製造方法、ならびに超音波センサおよび超音波送受信装置 |
WO2005068537A1 (ja) * | 2004-01-15 | 2005-07-28 | Matsushita Electric Industrial Co., Ltd. | 多孔体およびその製造方法 |
JP2009218748A (ja) * | 2008-03-07 | 2009-09-24 | Panasonic Corp | 音響整合体、超音波送受波器および超音波流量計 |
US8413524B2 (en) | 2008-03-07 | 2013-04-09 | Panasonic Corporation | Acoustic matching member, ultrasonic transmitter/receiver, and ultrasonic flowmeter |
JP2013509121A (ja) * | 2009-10-29 | 2013-03-07 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 流体媒体に使用するための超音波変換器 |
US9239337B2 (en) | 2009-10-29 | 2016-01-19 | Robert Bosch Gmbh | Ultrasonic transducer for use in a fluid medium |
Also Published As
Publication number | Publication date |
---|---|
EP1416255A1 (en) | 2004-05-06 |
CN1578900A (zh) | 2005-02-09 |
JPWO2003064979A1 (ja) | 2005-05-26 |
JP3633926B2 (ja) | 2005-03-30 |
US20040113522A1 (en) | 2004-06-17 |
CN1318824C (zh) | 2007-05-30 |
US7061163B2 (en) | 2006-06-13 |
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