Global Patent Index - EP 1164574 A1

EP 1164574 A1 2001-12-19 - ELECTROACOUSTIC TRANSDUCER AND METHOD OF MANUFACTURE THEREOF

Title (en)

ELECTROACOUSTIC TRANSDUCER AND METHOD OF MANUFACTURE THEREOF

Title (de)

ELEKTROAKUSTISCHER WANDLER UND DESSEN HERSTELLUNGSVERFAHREN

Title (fr)

TRANSDUCTEUR LECTROACOUSTIQUE ET PROCEDE DE FABRICATION

Publication

EP 1164574 A1 (EN)

Application

EP 00971825 A

Priority

  • JP 0007813 W
  • JP 36025599 A

Abstract (en)

An electro-acoustic transducer having a layer of a heat-curing and UV-curing adhesive 6a formed on a frame 2 integrally molded at the bottom of a case 1. A magnet 5 is placed on the frame 2 via the adhesive. Said case 1 is irradiated with a UV light from the above, at least before the adhesive is heat-cured, so that the adhesive is cured in the portion exposed to the UV light. This prevents the adhesive 6a from evaporating, scattering and prevents the adhesive components depositing on a diaphragm 7, that could be caused by a later high temperature process for heat-curing the adhesive 6a. Furthermore, time for the heat-curing in the present invention can be made shorter by the high temperature curing. The shorter curing time improves productivity of the production, and enables to have the transducers manufactured on an automatic assembly line. <IMAGE>

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

G10K 9/13; H04R 13/00

IPC 8 full level (invention and additional information)

G10K 9/13 (2006.01); G10K 9/22 (2006.01); H04R 13/00 (2006.01); H04R 13/02 (2006.01); H04R 31/00 (2006.01)

CPC (invention and additional information)

H04R 13/00 (2013.01); G10K 9/13 (2013.01); G10K 9/22 (2013.01)

Designated contracting state (EPC)

DE FR GB SE

EPO simple patent family

EP 1164574 A1 20011219; EP 1164574 A4 20060719; CN 1168067 C 20040922; CN 1341254 A 20020320; JP 2001177898 A 20010629; NO 20014027 D0 20010817; NO 20014027 L 20011019; WO 0146943 A1 20010628

INPADOC legal status


2006-09-13 [18W] APPLICATION WITHDRAWN

- Effective date: 20060804

2006-07-19 [A4] DESPATCH OF SUPPLEMENTARY SEARCH REPORT

- Effective date: 20060616

2004-05-12 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION)

- Designated State(s): DE FR GB SE

2001-12-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010817

2001-12-19 [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 TR