EP0340624A3 - Transducteur électro-acoustique - Google Patents

Transducteur électro-acoustique Download PDF

Info

Publication number: EP0340624A3
Authority: EP; European Patent Office
Prior art keywords: sound; housing; electroacoustic transducer; transducer; sound field
Prior art date: 1988-05-05
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.): Granted

Application number

EP19890107599

Other languages

German (de)

English (en)

Other versions

EP0340624B1 (fr

EP0340624A2 (fr

Inventor

Dieter Stutzke

Ernst Dipl.-Ing. Eckstein

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Hontzsch GmbH

Original Assignee

Hontzsch GmbH

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.)

1988-05-05

Filing date

1989-04-27

Publication date

1991-10-16

1989-04-27 Application filed by Hontzsch GmbH filed Critical Hontzsch GmbH

1989-11-08 Publication of EP0340624A2 publication Critical patent/EP0340624A2/fr

1991-10-16 Publication of EP0340624A3 publication Critical patent/EP0340624A3/fr

1995-02-01 Application granted granted Critical

1995-02-01 Publication of EP0340624B1 publication Critical patent/EP0340624B1/fr

2009-04-27 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229910010293 ceramic material Inorganic materials 0.000 abstract 1
239000011521 glass Substances 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/0674—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a low impedance backing, e.g. air
- 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
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Mechanical Engineering (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)
Transducers For Ultrasonic Waves (AREA)

EP89107599A 1988-05-05 1989-04-27 Transducteur électro-acoustique Expired - Lifetime EP0340624B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE8805953U		1988-05-05
DE8805953U DE8805953U1 (de)	1988-05-05	1988-05-05	Elektroakustischer Wandler

Publications (3)

Publication Number	Publication Date
EP0340624A2 EP0340624A2 (fr)	1989-11-08
EP0340624A3 true EP0340624A3 (fr)	1991-10-16
EP0340624B1 EP0340624B1 (fr)	1995-02-01

Family

ID=6823723

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89107599A Expired - Lifetime EP0340624B1 (fr)	1988-05-05	1989-04-27	Transducteur électro-acoustique

Country Status (2)

Country	Link
EP (1)	EP0340624B1 (fr)
DE (2)	DE8805953U1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4311963C2 (de) *	1993-04-10	1996-10-24	Endress Hauser Gmbh Co	Füllstandsmeßgerät
DE4443415A1 (de) *	1994-12-06	1996-06-13	Siemens Ag	Vorrichtung zur Aufnahme eines Schallwandlers und Ultraschall-Durchflußmesser mit derselben
DE29611678U1 (de) *	1996-07-04	1997-08-07	Siemens AG, 80333 München	Schallwandler, insbesondere Ultraschallwandler
DE20309788U1 (de) *	2003-06-24	2004-11-04	Bürkert Werke GmbH & Co. KG	Durchflussmesser nach dem Vortex-Prinzip
DK3098622T3 (da)	2015-05-29	2020-03-09	Consilium Sal Navigation Ab	Skrog-indrettet elektronisk enhed til et fartøj
CN112083063B (zh) *	2019-06-12	2025-03-28	广东正扬传感科技股份有限公司	超声波传感装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3801839A (en) *	1971-12-03	1974-04-02	Rion Co	Mechanical to electrical transducer device
US3943388A (en) *	1974-06-27	1976-03-09	Fred M. Dellorfano, Jr.	Electroacoustic transducer of the flexural vibrating diaphragm type
DE3025233A1 (de) *	1979-07-04	1981-01-15	Morita Mfg	Uebertragungsvorrichtung fuer ultraschallimpulse in luft
DE3012038A1 (de) *	1980-03-28	1981-10-01	Honeywell-Elac-Nautik Gmbh, 2300 Kiel	Elektroakustischer wasserschallwandler

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2839091C2 (de) *	1978-09-08	1980-03-13	Honeywell-Elac-Nautik Gmbh, 2300 Kiel	Elektroakustischer Wandler
US4240002A (en) *	1979-04-02	1980-12-16	Motorola, Inc.	Piezoelectric transducer arrangement with integral terminals and housing
DE3005708C2 (de) *	1980-02-15	1984-08-30	Siemens AG, 1000 Berlin und 8000 München	Wandlerplatte für piezoelektrische Wandler
US4556814A (en) *	1984-02-21	1985-12-03	Ngk Spark Plug Co., Ltd.	Piezoelectric ultrasonic transducer with porous plastic housing

1988
- 1988-05-05 DE DE8805953U patent/DE8805953U1/de not_active Expired
1989
- 1989-04-27 EP EP89107599A patent/EP0340624B1/fr not_active Expired - Lifetime
- 1989-04-27 DE DE58908955T patent/DE58908955D1/de not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3801839A (en) *	1971-12-03	1974-04-02	Rion Co	Mechanical to electrical transducer device
US3943388A (en) *	1974-06-27	1976-03-09	Fred M. Dellorfano, Jr.	Electroacoustic transducer of the flexural vibrating diaphragm type
DE3025233A1 (de) *	1979-07-04	1981-01-15	Morita Mfg	Uebertragungsvorrichtung fuer ultraschallimpulse in luft
DE3012038A1 (de) *	1980-03-28	1981-10-01	Honeywell-Elac-Nautik Gmbh, 2300 Kiel	Elektroakustischer wasserschallwandler

Also Published As

Publication number	Publication date
EP0340624B1 (fr)	1995-02-01
DE8805953U1 (de)	1988-07-07
DE58908955D1 (de)	1995-03-16
EP0340624A2 (fr)	1989-11-08

Legal Events

Date	Code	Title	Description
1989-09-23	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1989-11-08	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI NL
1991-08-26	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-10-16	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI NL
1991-10-30	RHK1	Main classification (correction)	Ipc: G10K 11/00
1992-03-04	17P	Request for examination filed	Effective date: 19911223
1994-02-02	17Q	First examination report despatched	Effective date: 19931217
1994-12-16	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1995-02-01	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB IT LI NL
1995-03-01	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19950127
1995-03-16	REF	Corresponds to:	Ref document number: 58908955 Country of ref document: DE Date of ref document: 19950316
1995-03-24	ITF	It: translation for a ep patent filed
1995-04-14	ET	Fr: translation filed
1996-01-03	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1996-01-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1996-01-24	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2006-04-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: IT Payment date: 20060430 Year of fee payment: 18
2007-10-15	REG	Reference to a national code	Ref country code: CH Ref legal event code: PFA Owner name: HOENTZSCH GMBH Free format text: HOENTZSCH GMBH#ROBERT-BOSCH-STRASSE 8#WAIBLINGEN-HEGNACH (DE) -TRANSFER TO- HOENTZSCH GMBH#ROBERT-BOSCH-STRASSE 8#WAIBLINGEN-HEGNACH (DE)
2008-07-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20080417 Year of fee payment: 20 Ref country code: CH Payment date: 20080421 Year of fee payment: 20
2008-10-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 20080421 Year of fee payment: 20
2008-11-28	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20080421 Year of fee payment: 20
2008-12-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20080424 Year of fee payment: 20
2009-05-15	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
2009-05-20	REG	Reference to a national code	Ref country code: GB Ref legal event code: PE20 Expiry date: 20090426
2009-05-29	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20090427
2009-07-01	NLV7	Nl: ceased due to reaching the maximum lifetime of a patent	Effective date: 20090427
2009-09-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070427
2009-11-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20090426

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