EP0868108A3 - Haut-parleur piézoélectrique - Google Patents

Haut-parleur piézoélectrique Download PDF

Info

Publication number: EP0868108A3
Authority: EP; European Patent Office
Prior art keywords: membrane; piezo bending; bending oscillator; piezoelectric speaker; fixed
Prior art date: 1997-03-26
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

EP98102000A

Other languages

German (de)

English (en)

Other versions

EP0868108A2 (fr

EP0868108B1 (fr

Inventor

Ingo Dr.-Ing. Borchers

Kerstin Burckas

Klaus Renger

Engelbert Kusch

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.)

Airbus Defence and Space GmbH

Original Assignee

Dornier 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.)

1997-03-26

Filing date

1998-02-05

Publication date

2005-06-15

1998-02-05 Application filed by Dornier GmbH filed Critical Dornier GmbH

1998-09-30 Publication of EP0868108A2 publication Critical patent/EP0868108A2/fr

2005-06-15 Publication of EP0868108A3 publication Critical patent/EP0868108A3/fr

2007-04-04 Application granted granted Critical

2007-04-04 Publication of EP0868108B1 publication Critical patent/EP0868108B1/fr

2018-02-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)
Diaphragms For Electromechanical Transducers (AREA)

EP98102000A 1997-03-26 1998-02-05 Haut-parleur piézoélectrique Expired - Lifetime EP0868108B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19712728		1997-03-26
DE19712728A DE19712728C1 (de)	1997-03-26	1997-03-26	Piezoelektrischer Lautsprecher

Publications (3)

Publication Number	Publication Date
EP0868108A2 EP0868108A2 (fr)	1998-09-30
EP0868108A3 true EP0868108A3 (fr)	2005-06-15
EP0868108B1 EP0868108B1 (fr)	2007-04-04

Family

ID=7824705

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98102000A Expired - Lifetime EP0868108B1 (fr)	1997-03-26	1998-02-05	Haut-parleur piézoélectrique

Country Status (4)

Country	Link
US (1)	US6122387A (fr)
EP (1)	EP0868108B1 (fr)
DE (2)	DE19712728C1 (fr)
ES (1)	ES2281920T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8011619B2 (en) *	2004-01-05	2011-09-06	Airbus Deutschland Gmbh	Insulation package arrangement for insulating the interior of an aircraft fuselage
US7883056B2 (en) *	2004-01-05	2011-02-08	Airbus Deutschland Gmbh	Insulation arrangement for the internal insulation of a vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2521642A (en) *	1945-11-29	1950-09-05	Brush Dev Co	Transducer means
DE2119892A1 (de) *	1971-04-23	1972-11-09	Institut für Nachrichtentechnik, χ 1160 Berlin	Piezoelektrischer Wandler
GB1382927A (en) *	1972-06-30	1975-02-05	Ibm	Electroacoustic transducer
JPS5776999A (en) *	1980-10-29	1982-05-14	Sumitomo Special Metals Co Ltd	Piezoelectric speaker

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1261176B (de) *	1963-04-01	1968-02-15	Siemens Ag	Piezoresistive Halbleiteranordnung
US4580252A (en) *	1983-04-20	1986-04-01	Halliburton Company	Wide band acoustic receiver transducer
JPS6436195A (en) *	1987-07-31	1989-02-07	Nitsuko Ltd	Piezoelectric speaker
FR2643772B1 (fr) *	1989-02-27	1991-06-07	Horlogerie Photograph Fse	Capsule piezoelectrique a portee plane et organes de maintien elastiques
FR2643771A1 (fr) *	1989-02-27	1990-08-31	Horlogerie Photograph Fse	Capsule piezoelectrique a organes de maintien elastiques conducteurs
US5652801A (en) *	1994-05-02	1997-07-29	Aura Systems, Inc.	Resonance damper for piezoelectric transducer

1997
- 1997-03-26 DE DE19712728A patent/DE19712728C1/de not_active Expired - Fee Related
1998
- 1998-02-05 EP EP98102000A patent/EP0868108B1/fr not_active Expired - Lifetime
- 1998-02-05 DE DE59813958T patent/DE59813958D1/de not_active Expired - Lifetime
- 1998-02-05 ES ES98102000T patent/ES2281920T3/es not_active Expired - Lifetime
- 1998-03-26 US US09/048,118 patent/US6122387A/en not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2521642A (en) *	1945-11-29	1950-09-05	Brush Dev Co	Transducer means
DE2119892A1 (de) *	1971-04-23	1972-11-09	Institut für Nachrichtentechnik, χ 1160 Berlin	Piezoelektrischer Wandler
GB1382927A (en) *	1972-06-30	1975-02-05	Ibm	Electroacoustic transducer
JPS5776999A (en) *	1980-10-29	1982-05-14	Sumitomo Special Metals Co Ltd	Piezoelectric speaker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 006, no. 155 (E - 125) 17 August 1982 (1982-08-17) *

Also Published As

Publication number	Publication date
EP0868108A2 (fr)	1998-09-30
ES2281920T3 (es)	2007-10-01
DE59813958D1 (de)	2007-05-16
US6122387A (en)	2000-09-19
DE19712728C1 (de)	1998-11-19
EP0868108B1 (fr)	2007-04-04

Legal Events

Date	Code	Title	Description
1998-08-14	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
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1998-09-30	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2002-01-09	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: DAIMLERCHRYSLER AG
2003-07-23	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: DORNIER GMBH
2005-04-29	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
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2006-06-28	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: EADS DEUTSCHLAND GMBH
2006-10-03	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
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