DK475189D0 - Akustisk tilpasningelement til en transducer - Google Patents

Akustisk tilpasningelement til en transducer

Info

Publication number: DK475189D0
Authority: DK; Denmark
Prior art keywords: transducer; fitting element; acoustic fitting; acoustic; voids
Prior art date: 1988-09-29

Application number

DK475189A

Other languages

English (en)

Other versions

DK475189A (da

Inventor

Michael John Gill

Original Assignee

British Gas Plc

Priority date (The priority date 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 date listed.)

1988-09-29

Filing date

1989-09-27

Publication date

1989-09-27

1989-09-27 Application filed by British Gas Plc filed Critical British Gas Plc

1989-09-27 Publication of DK475189D0 publication Critical patent/DK475189D0/da

1990-03-30 Publication of DK475189A publication Critical patent/DK475189A/da

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- 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
- G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency

Landscapes

Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Physics & Mathematics (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Transducers For Ultrasonic Waves (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Semiconductor Lasers (AREA)
Oscillators With Electromechanical Resonators (AREA)
Burglar Alarm Systems (AREA)
Impact Printers (AREA)
Absorbent Articles And Supports Therefor (AREA)
Apparatus For Radiation Diagnosis (AREA)
Surgical Instruments (AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Measuring Fluid Pressure (AREA)
Control Of Motors That Do Not Use Commutators (AREA)
Paper (AREA)
Glass Compositions (AREA)

DK475189A 1988-09-29 1989-09-27 Akustisk tilpasningelement til en transducer DK475189A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8822903A GB2225426B (en)	1988-09-29	1988-09-29	A transducer

Publications (2)

Publication Number	Publication Date
DK475189D0 true DK475189D0 (da)	1989-09-27
DK475189A DK475189A (da)	1990-03-30

Family

ID=10644471

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK475189A DK475189A (da)	1988-09-29	1989-09-27	Akustisk tilpasningelement til en transducer

Country Status (12)

Country	Link
US (1)	US5093810A (da)
EP (1)	EP0361757B1 (da)
JP (1)	JP2559144B2 (da)
KR (1)	KR930010299B1 (da)
AT (1)	ATE118917T1 (da)
AU (1)	AU607085B2 (da)
CA (1)	CA1335213C (da)
DE (1)	DE68921276T2 (da)
DK (1)	DK475189A (da)
ES (1)	ES2068251T3 (da)
GB (1)	GB2225426B (da)
HK (1)	HK1007033A1 (da)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1991018486A1 (en) *	1990-05-14	1991-11-28	Commonwealth Scientific And Industrial Research Organisation	A coupling device
GB2246349B (en) *	1990-07-24	1994-06-22	British Gas Plc	Method for bonding together hollow glass spheres
DE4115447C2 (de) *	1991-05-11	1994-01-27	Schott Glaswerke	Vorrichtung zur Kontrolle der Zerstörung von Konkrementen
GB2276240B (en) *	1993-03-16	1997-01-15	British Gas Plc	Fluid flowmeter
DE4325398C1 (de) *	1993-07-29	1994-07-21	Grieshaber Vega Kg	Schallwandler mit einer chemisch beständigen Anpaßschicht und Verfahren zur Herstellung einer solchen Anpaßschicht
DE19917429A1 (de) *	1999-04-19	2000-10-26	Sonident Anstalt Vaduz	Impulsschallwandler
AU1308601A (en) *	1999-11-12	2001-05-30	Matsushita Electric Industrial Co., Ltd.	Acoustic matching material, method of manufacture thereof, and ultrasonic transmitter using acoustic matching material
US6381196B1 (en) *	2000-10-26	2002-04-30	The United States Of America As Represented By The Secretary Of The Navy	Sintered viscoelastic particle vibration damping treatment
WO2003064979A1 (fr) *	2002-01-28	2003-08-07	Matsushita Electric Industrial Co., Ltd.	Emetteur-recepteur ultrasonore et debitmetre ultrasonore
KR20040086503A (ko) *	2002-01-28	2004-10-11	마츠시타 덴끼 산교 가부시키가이샤	음향 정합층, 초음파 송수파기 및 초음파 유량계
US6788620B2 (en)	2002-05-15	2004-09-07	Matsushita Electric Ind Co Ltd	Acoustic matching member, ultrasound transducer, ultrasonic flowmeter and method for manufacturing the same
EP1575334A1 (en) *	2002-12-20	2005-09-14	Matsushita Electric Industrial Co., Ltd.	Ultrasonic transmitter/receiver, process for producing the same, and ultrasonic flowmeter
EP1662840B1 (en) *	2003-08-22	2014-10-01	Panasonic Corporation	Sound matching body, process for producing the same, ultrasonic sensor and ultrasonic wave transmitting/receiving system
JP4638854B2 (ja) *	2006-09-29	2011-02-23	富士フイルム株式会社	超音波用探触子の製造方法
JP2008147731A (ja) *	2006-12-06	2008-06-26	Matsushita Electric Ind Co Ltd	超音波センサ
JP2014137254A (ja) *	2013-01-16	2014-07-28	Panasonic Corp	音響整合部材
JP6399390B2 (ja) *	2013-12-27	2018-10-03	パナソニックＩｐマネジメント株式会社	スピーカおよびａｖ機器
EP3471438B1 (en)	2016-06-09	2023-09-27	Panasonic Intellectual Property Management Co., Ltd.	Laminate, ultrasonic transducer, and ultrasonic flowmeter

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2198885A (en) *	1932-04-21	1940-04-30	Celotex Corp	Composite thermal insulating unit
US2707755A (en) *	1950-07-20	1955-05-03	Sperry Prod Inc	High absorption backings for ultrasonic crystals
US2797201A (en) *	1953-05-11	1957-06-25	Standard Oil Co	Process of producing hollow particles and resulting product
US3515910A (en) *	1968-11-12	1970-06-02	Us Navy	Acoustic absorbing material
US3788140A (en) *	1972-02-25	1974-01-29	Gen Signal Corp	Electroacoustical flow metering apparatus
US3855847A (en) *	1972-06-20	1974-12-24	Westinghouse Electric Corp	Acoustic emission transducer and monitoring system
IT1016750B (it) *	1974-08-01	1977-06-20	Fiat Spa	Dispositivo per effettuare median te ultrasuoni la misura della por tata d aria in massa nel condotto di aspirazione di motori a combu stione interna
GB1522620A (en) *	1974-12-05	1978-08-23	Fillite Ltd	Moulding processes and material
AT341790B (de) *	1975-09-22	1978-02-27	Ceskomoravske Eternitove Z Nar	Verfahren zur herstellung von schwer entzundbaren bis feuerbestandigen schaumstoffen mit geringem raumgewicht
IT1071241B (it) *	1976-07-09	1985-04-02	Fiat Spa	Dispositivo per effettuare..mediante ultrasuoni..la misura della portata d aria in massa nel condotto di aspirazione di motori ad iniezione pilotata dal dispositivo stesso
JPS5353393A (en) *	1976-10-25	1978-05-15	Matsushita Electric Ind Co Ltd	Ultrasonic probe
GB2048847B (en) *	1978-08-28	1983-07-06	Torobin Leonard B	Method and apparatus for producing hollow microspheres
CH636701A5 (de) *	1979-06-08	1983-06-15	Landis & Gyr Ag	Messwertgeber zur bestimmung der durchflussmenge einer stroemenden fluessigkeit mit ultraschall.
DE2936672C2 (de) *	1979-09-11	1982-06-03	Siemens AG, 1000 Berlin und 8000 München	Kontaktierung für einen Ultraschall-Wandler.
DE2951075C2 (de) *	1979-12-19	1982-04-15	Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach	Akustischer Wandler mit piezoelektrischem Element
JPS56124028A (en) *	1980-03-05	1981-09-29	Furuno Electric Co Ltd	Ultrasonic thermometer
DE3301848C2 (de) *	1983-01-20	1984-11-08	Siemens AG, 1000 Berlin und 8000 München	Ultraschallwandler
JPS59155019A (ja) *	1983-02-24	1984-09-04	Sanwa Kako Kk	架橋ポリオレフイン発泡体の成形物の製造方法
US4523122A (en) *	1983-03-17	1985-06-11	Matsushita Electric Industrial Co., Ltd.	Piezoelectric ultrasonic transducers having acoustic impedance-matching layers
US4536673A (en) *	1984-01-09	1985-08-20	Siemens Aktiengesellschaft	Piezoelectric ultrasonic converter with polyurethane foam damper
US4556814A (en) *	1984-02-21	1985-12-03	Ngk Spark Plug Co., Ltd.	Piezoelectric ultrasonic transducer with porous plastic housing
DE3430161A1 (de) *	1984-08-16	1986-02-27	Siemens AG, 1000 Berlin und 8000 München	Poroese anpassungsschicht in einem ultraschallapplikator
JPS61169100A (ja) *	1985-01-22	1986-07-30	Matsushita Electric Ind Co Ltd	超音波送受波器
JPS61139098U (da) *	1985-02-18	1986-08-28
US4683161A (en) *	1985-02-28	1987-07-28	Piezo Electric Products, Inc.	Ceramic body with ordered pores
AU583623B2 (en) *	1985-05-20	1989-05-04	Gec Marconi Systems Pty Limited	Acoustic decoupling medium
US4630482A (en) *	1985-06-17	1986-12-23	John Traina	Method and apparatus for ultrasonic measurements of a medium
WO1987006245A1 (en) *	1986-04-10	1987-10-22	Gulf Rubber (Aust.) Pty. Limited	Low density pressure resistant rubber composition
US4787252A (en) *	1987-09-30	1988-11-29	Panametrics, Inc.	Differential correlation analyzer

1988
- 1988-09-29 GB GB8822903A patent/GB2225426B/en not_active Revoked
1989
- 1989-09-19 DE DE68921276T patent/DE68921276T2/de not_active Expired - Fee Related
- 1989-09-19 EP EP89309495A patent/EP0361757B1/en not_active Expired - Lifetime
- 1989-09-19 ES ES89309495T patent/ES2068251T3/es not_active Expired - Lifetime
- 1989-09-19 AT AT89309495T patent/ATE118917T1/de not_active IP Right Cessation
- 1989-09-26 CA CA000613346A patent/CA1335213C/en not_active Expired - Fee Related
- 1989-09-26 AU AU42329/89A patent/AU607085B2/en not_active Ceased
- 1989-09-27 DK DK475189A patent/DK475189A/da not_active Application Discontinuation
- 1989-09-29 US US07/414,442 patent/US5093810A/en not_active Expired - Lifetime
- 1989-09-29 KR KR1019890014012A patent/KR930010299B1/ko not_active IP Right Cessation
- 1989-09-29 JP JP1255124A patent/JP2559144B2/ja not_active Expired - Fee Related
1998
- 1998-06-23 HK HK98106164A patent/HK1007033A1/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0361757B1 (en)	1995-02-22
ES2068251T3 (es)	1995-04-16
ATE118917T1 (de)	1995-03-15
GB2225426B (en)	1993-05-26
DK475189A (da)	1990-03-30
KR900005842A (ko)	1990-04-14
AU4232989A (en)	1990-04-05
KR930010299B1 (ko)	1993-10-16
GB2225426A (en)	1990-05-30
EP0361757A2 (en)	1990-04-04
AU607085B2 (en)	1991-02-21
JP2559144B2 (ja)	1996-12-04
JPH02177799A (ja)	1990-07-10
DE68921276D1 (de)	1995-03-30
HK1007033A1 (en)	1999-03-26
EP0361757A3 (en)	1991-09-25
DE68921276T2 (de)	1995-08-10
US5093810A (en)	1992-03-03
GB8822903D0 (en)	1988-11-02
CA1335213C (en)	1995-04-11

Publication	Publication Date	Title
DK475189A (da)	1990-03-30	Akustisk tilpasningelement til en transducer
DE69015984D1 (de)	1995-02-23	Piezoelektrischer Druckwandler.
FR2632407B1 (fr)	1994-03-04	Transducteur de type vibrant et procede de fabrication d'un tel transducteur
DE68924057D1 (de)	1995-10-05	Anordnung von Ultraschallwandlern.
KR900004130U (ko)	1990-02-08	전기 음향 변환기
NO176155C (no)	1995-02-08	Trykkgiver
AU6755587A (en)	1987-08-20	Vibrating beam force transducer
DE69020104D1 (de)	1995-07-20	Ultraschallwandler.
AU6755487A (en)	1987-10-01	Vibrating beam force tranducer
AU6755287A (en)	1987-09-24	Vibrating beam transducer
NO174270C (no)	1994-04-06	Piezoelektrisk transduser
IT1235164B (it)	1992-06-22	Trasduttore di pressione
DE68912093D1 (de)	1994-02-17	Magnetostriktiver Druckwandler.
AU7307887A (en)	1987-11-09	Piezoelectric transducer
DE68912644D1 (de)	1994-03-10	Piezoelektrischer Längsdehnungsschwinger.
GB2201778B (en)	1991-04-24	Optically excited vibratile transducer
DE69022905D1 (de)	1995-11-16	Akustisches Schwingungsmaterial.
DE59004358D1 (de)	1994-03-03	Breitstrahlender ultraschallwandler.
IL82009A0 (en)	1987-10-20	Ultrasound echography device comprising a linear array of piezoelectric transducers,and method of manufacturing such an array
IT8621536A1 (it)	1988-02-27	Diaframma per un trasduttore elettromeccanico
IL83648A0 (en)	1988-01-31	Piezoelectric ceramic acoustic transducer
IT1216521B (it)	1990-03-08	Molla diaframma e procedimento per la sua produzione.
PL276224A2 (en)	1989-09-18	Piezoelectric electroacoustic transducer
IT8748240A0 (it)	1987-07-29	Antenna acustica di polimero piezoelettrico e sonar comprendente una tale antenna
DK283188A (da)	1988-11-28	Tryktransducer

Legal Events

Date	Code	Title	Description
2004-05-10	AHB	Application shelved due to non-payment