Global Patent Index - EP 0685982 B1

EP 0685982 B1 2000-02-09 - Loudspeaker

Title (en)

Loudspeaker

Title (de)

Lautsprecher

Title (fr)

Haut-parleur

Publication

EP 0685982 B1 (DE)

Application

EP 95107544 A

Priority

DE 4419251 A

Abstract (en)

[origin: EP0685982A2] The loudspeaker (10), for providing tone signals, has a metal loudspeaker membrane (12), attached to a loudspeaker basket (11) via a metal foil rim (15). The connections between the surface of the loudspeaker basket and the rim and between the rim and the loudspeaker membrane are provided by ultrasonic welding. Pref. the metal rim is made of a Cu-Be alloy and it pref. has at least one corrugation formed in its surface, for accommodating heat expansion movement of the loudspeaker membrane relative to the loudspeaker basket. <IMAGE>

IPC 1-7 (main, further and additional classification)

H04R 9/02; H04R 7/18

IPC 8 full level (invention and additional information)

B23K 20/10 (2006.01); H04R 7/20 (2006.01); H04R 9/02 (2006.01); H04R 9/04 (2006.01)

CPC (invention and additional information)

H04R 7/20 (2013.01); H04R 9/043 (2013.01); H04R 2307/207 (2013.01)

Designated contracting state (EPC)

AT BE DE DK ES FR GB IT NL SE

EPO simple patent family

EP 0685982 A2 19951206; EP 0685982 A3 19960605; EP 0685982 B1 20000209; AT 189759 T 20000215; DE 4419251 A1 19951207; JP H0851691 A 19960220

INPADOC legal status


2015-07-31 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2015-06-10 [REG GB PE20] PATENT EXPIRED AFTER TERMINATION OF 20 YEARS

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2015-05-19 [REG DE R071] EXPIRY OF RIGHT

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2005-02-01 [NLV4] NL: LAPSED OR ANULLED DUE TO NON-PAYMENT OF THE ANNUAL FEE

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2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-05-19 [PG25 SE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2001-01-24 [26N] NO OPPOSITION FILED

2000-11-30 [BERE] BE: LAPSED

- Owner name: HARMAN AUDIO ELECTRONIC SYSTEMS G.M.B.H.

- Effective date: 20000531

2000-05-31 [PG25 BE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2000-04-28 [ET] FR: TRANSLATION FILED

2000-03-29 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Free text: ERRATUM: THE FOLLOWING EUROPEAN PATENTS WERE ADVERTISED IN ERROR IN JOURNAL 5781 DATED 1 MARCH 2000 AS HAVING BEEN FILED UNDER SECTION 77(6)(A) ON 8 FEBRUARY 2000.

2000-03-17 [ITF] IT: TRANSLATION FOR A EP PATENT FILED

- Owner name: FIAMMENGHI - DOMENIGHETTI

2000-03-16 [REF] CORRESPONDS TO:

- Document: DE 59507766 20000316

2000-03-01 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20000209

2000-02-09 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): AT BE DE DK ES FR GB IT NL SE

2000-02-09 [PG25 ES] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2000-02-09 [REF] CORRESPONDS TO:

- Document: AT 189759 T 20000215

1999-10-13 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: HARMAN AUDIO ELECTRONIC SYSTEMS GMBH

1999-08-11 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19990624

1996-12-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19961012

1996-06-05 [AK] DESIGNATED CONTRACTING STATES:

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1995-12-06 [AK] DESIGNATED CONTRACTING STATES:

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