EP1221824A4 - Dispositif a haut-parleur - Google Patents

Dispositif a haut-parleur

Info

Publication number: EP1221824A4
Authority: EP; European Patent Office
Prior art keywords: speaker device; speaker
Prior art date: 2000-08-07
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

EP00950015A

Other languages

German (de)

English (en)

Other versions

EP1221824B1 (fr

EP1221824A1 (fr

Inventor

Hidekazu Tanaka

Fumiyasu Konno

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.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electric Industrial Co Ltd

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.)

2000-08-07

Filing date

2000-08-07

Publication date

2005-12-07

2000-08-07 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

2002-07-10 Publication of EP1221824A1 publication Critical patent/EP1221824A1/fr

2005-12-07 Publication of EP1221824A4 publication Critical patent/EP1221824A4/fr

2006-10-25 Application granted granted Critical

2006-10-25 Publication of EP1221824B1 publication Critical patent/EP1221824B1/fr

2020-08-07 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
- H04R3/00—Circuits for transducers
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Circuit For Audible Band Transducer (AREA)

EP00950015A 2000-08-07 2000-08-07 Dispositif a haut-parleur Expired - Lifetime EP1221824B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2000/005271 WO2002013573A1 (fr)	1999-05-19	2000-08-07	Dispositif a haut-parleur

Publications (3)

Publication Number	Publication Date
EP1221824A1 EP1221824A1 (fr)	2002-07-10
EP1221824A4 true EP1221824A4 (fr)	2005-12-07
EP1221824B1 EP1221824B1 (fr)	2006-10-25

Family

ID=11736331

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP00950015A Expired - Lifetime EP1221824B1 (fr)	2000-08-07	2000-08-07	Dispositif a haut-parleur

Country Status (6)

Country	Link
EP (1)	EP1221824B1 (fr)
CN (1)	CN1186965C (fr)
CZ (1)	CZ299745B6 (fr)
DE (1)	DE60031558T2 (fr)
HK (1)	HK1049940B (fr)
WO (1)	WO2002013573A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2003264888A (ja) *	2002-03-07	2003-09-19	Pioneer Electronic Corp	スピーカ制御装置及びスピーカシステム
CN100566140C (zh) *	2003-10-14	2009-12-02	音频专用集成电路公司	麦克风前置放大器
US8243939B2 (en) *	2008-12-30	2012-08-14	Gn Resound A/S	Hearing instrument with improved initialisation of parameters of digital feedback suppression circuitry
CN102384821B (zh) *	2011-08-10	2015-07-29	歌尔声学股份有限公司	扬声器模组气密性测试方法、测试工装以及测试系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5990491A (ja) *	1982-11-15	1984-05-24	Matsushita Electric Ind Co Ltd	オ−デイオ装置
JPH07162990A (ja) *	1993-12-09	1995-06-23	Matsushita Electric Ind Co Ltd	音響再生装置
EP0951201A2 (fr) *	1998-04-15	1999-10-20	Matsushita Electric Industrial Co., Ltd.	Appareil de reproduction de signaux audio

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3798374A (en) *	1972-04-03	1974-03-19	Rene Oliveras	Sound reproducing system utilizing motional feedback
DE4021787A1 (de) *	1990-07-09	1992-01-16	Telefunken Electronic Gmbh	Elektro-akustisches system
JP3521626B2 (ja) *	1996-07-16	2004-04-19	松下電器産業株式会社	音響再生装置
CZ292683B6 (cs) *	1998-12-01	2003-11-12	Matsushita Electric Industrial Co., Ltd.	Reproduktor

2000
- 2000-08-07 DE DE60031558T patent/DE60031558T2/de not_active Expired - Fee Related
- 2000-08-07 HK HK03101884.4A patent/HK1049940B/zh not_active IP Right Cessation
- 2000-08-07 CN CNB008138494A patent/CN1186965C/zh not_active Expired - Fee Related
- 2000-08-07 CZ CZ20021168A patent/CZ299745B6/cs not_active IP Right Cessation
- 2000-08-07 EP EP00950015A patent/EP1221824B1/fr not_active Expired - Lifetime
- 2000-08-07 WO PCT/JP2000/005271 patent/WO2002013573A1/fr not_active Ceased

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5990491A (ja) *	1982-11-15	1984-05-24	Matsushita Electric Ind Co Ltd	オ−デイオ装置
JPH07162990A (ja) *	1993-12-09	1995-06-23	Matsushita Electric Ind Co Ltd	音響再生装置
EP0951201A2 (fr) *	1998-04-15	1999-10-20	Matsushita Electric Industrial Co., Ltd.	Appareil de reproduction de signaux audio

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 206 (E - 267) 20 September 1984 (1984-09-20) *
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 09 31 October 1995 (1995-10-31) *
See also references of WO0213573A1 *

Also Published As

Publication number	Publication date
CN1377566A (zh)	2002-10-30
HK1049940B (zh)	2005-06-10
EP1221824B1 (fr)	2006-10-25
CN1186965C (zh)	2005-01-26
CZ299745B6 (cs)	2008-11-12
CZ20021168A3 (cs)	2003-02-12
DE60031558D1 (de)	2006-12-07
EP1221824A1 (fr)	2002-07-10
WO2002013573A1 (fr)	2002-02-14
DE60031558T2 (de)	2007-06-06
HK1049940A1 (zh)	2003-05-30

Legal Events

Date	Code	Title	Description
2002-05-24	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
2002-07-10	17P	Request for examination filed	Effective date: 20020419
2002-07-10	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2003-07-09	RIN1	Information on inventor provided before grant (corrected)	Inventor name: TANAKA, HIDEKAZU Inventor name: KONNO, FUMIYASU
2004-05-26	RBV	Designated contracting states (corrected)	Designated state(s): AT BE CH DE FR GB LI
2005-12-07	A4	Supplementary search report drawn up and despatched	Effective date: 20051025
2006-02-02	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2006-03-15	RBV	Designated contracting states (corrected)	Designated state(s): DE FR GB
2006-04-29	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
2006-09-22	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
2006-10-25	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB
2006-10-25	REG	Reference to a national code	Ref country code: GB Ref legal event code: FG4D
2006-12-07	REF	Corresponds to:	Ref document number: 60031558 Country of ref document: DE Date of ref document: 20061207 Kind code of ref document: P
2007-04-13	ET	Fr: translation filed
2007-08-31	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
2007-08-31	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
2007-10-03	26N	No opposition filed	Effective date: 20070726
2008-01-02	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20070801 Year of fee payment: 8
2008-04-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20070808 Year of fee payment: 8
2008-10-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20080821 Year of fee payment: 9
2009-04-29	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20080807
2009-06-05	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST Effective date: 20090430
2009-08-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080901
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 NON-PAYMENT OF DUE FEES Effective date: 20080807
2010-07-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100302

Publication	Publication Date	Title
EP1207283A4 (fr)	2004-03-10	Dispositif a thermostat
DE50103923D1 (de)	2004-11-04	Elektronik-anordnung
EP1348656A4 (fr)	2004-03-24	Dispositif enrouleur
DE60126075D1 (de)	2007-03-08	Auftragsvorrichtung
NO20031245D0 (no)	2003-03-18	Koplingsanordning
FR2810160B1 (fr)	2004-08-13	Dispositif a semiconducteur
DE60127017D1 (de)	2007-04-19	Aufschlämmungsrückfluss-Vorrichtung
DE60126333D1 (de)	2007-03-15	Öffnungsvorrichtung
NO20005524L (no)	2001-08-29	Ror-i-roranordning
DE50102286D1 (de)	2004-06-17	Haltevorrichtung
DE60101732D1 (de)	2004-02-12	Beschleunigungsvorrichtung
FR2820463B1 (fr)	2006-02-10	Dispositif a carburateur
NO20002338L (no)	2001-11-05	Treningsanordning
EP1221824A4 (fr)	2005-12-07	Dispositif a haut-parleur
DE50110826D1 (de)	2006-10-05	Elektronisches gerät
EP1143764A4 (fr)	2005-03-16	Dispositif de hauts-parleurs
DE50108421D1 (de)	2006-01-26	Anschlussvorrichtung
DE50101114D1 (de)	2004-01-22	Verbindungsvorrichtung
DE50102518D1 (de)	2004-07-15	Verbindungsvorrichtung
NO20004000L (no)	2002-02-11	Holdeanordning
DE50114636D1 (de)	2009-02-26	Öffnungsvorrichtung
ATA20952000A (de)	2002-08-15	Haltevorrichtung
DE50111434D1 (de)	2006-12-28	Schildvorrichtung
ATA1212000A (de)	2000-09-15	Positioniervorrichtung
FR2812746B1 (fr)	2003-05-30	Dispositif antivol ameliore