Global Patent Index - EP 0687128 B1

EP 0687128 B1 2000-04-19 - Voice coil and method for production thereof

Title (en)

Voice coil and method for production thereof

Title (de)

Schwingspule und Verfahren zu ihrer Herstellung

Title (fr)

Bobine mobile et méthode pour sa fabrication

Publication

EP 0687128 B1 (DE)

Application

EP 95107541 A

Priority

DE 4419252 A

Abstract (en)

[origin: EP0687128A1] The moving coil assembly of a loudspeaker unit is produced with the windings formed on a tubular carrier (10) the axis of which forms that of the loudspeaker. The coil windings (14) are separated from each other by layers of insulation that are of a high temperature resistant polymer. The outer surface of the carrier tube also has a layer of insulation. The bonding of the curves of the coil with the carrier is produced by ultrasonic welding, with the assembly supported between electrodes (19, 20). <IMAGE>

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

H04R 9/04

IPC 8 full level (invention and additional information)

B23K 20/10 (2006.01); H04R 9/04 (2006.01); H04R 31/00 (2006.01)

CPC (invention and additional information)

H04R 9/041 (2013.01)

Designated contracting state (EPC)

AT BE DE DK ES FR GB IT NL SE

EPO simple patent family

DE 4419252 A1 19951207; AT 192010 T 20000515; EP 0687128 A1 19951213; EP 0687128 B1 20000419; JP H0847088 A 19960216

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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2015-05-19 [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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2004-12-28 [EUG] SE: EUROPEAN PATENT HAS LAPSED

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

2001-04-04 [26N] NO OPPOSITION FILED

2000-11-30 [BERE] BE: LAPSED

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

- Effective date: 20000531

2000-08-04 [ET] FR: TRANSLATION FILED

2000-07-19 [PG25 DK] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2000-05-25 [REF] CORRESPONDS TO:

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2000-05-10 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

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2000-04-19 [AK] DESIGNATED CONTRACTING STATES:

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2000-04-19 [PG25 ES] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2000-04-19 [REF] CORRESPONDS TO:

- Document: AT 192010 T 20000515

2000-04-18 [ITF] IT: TRANSLATION FOR A EP PATENT FILED

- Owner name: FIAMMENGHI - DOMENIGHETTI

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

- Owner name: HARMAN AUDIO ELECTRONIC SYSTEMS GMBH

1999-10-13 [RTI1] TITLE (CORRECTION)

- Free text: VOICE COIL AND METHOD FOR PRODUCTION THEREOF

1999-07-14 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19990531

1996-06-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19960412

1995-12-13 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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