Global Patent Index - EP 1159854 A2

EP 1159854 A2 2001-12-05 - VIBRATION EXCITERS FOR DRIVING BENDING WAVE PANELS

Title (en)

VIBRATION EXCITERS FOR DRIVING BENDING WAVE PANELS

Title (de)

SCHWINGUNGSERREGER ZUM ANTRIEB VON BIEGEWELLEN-PLATTEN

Title (fr)

EXCITATEURS DE VIBRATIONS

Publication

EP 1159854 A2 (EN)

Application

EP 00907815 A

Priority

  • GB 0000802 W
  • GB 9905373 A

Abstract (en)

[origin: WO0054549A2] A vibration exciter (1) for bending wave panels (3) is described. The exciter includes an electrostrictive bender element (13) including at least one layer of electrostrictive material such as lead magnesium niobate titanate (PMNT).

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

H04R 17/00; H04M 1/03; H04R 7/06

IPC 8 full level (invention and additional information)

H04R 17/10 (2006.01); G10K 9/122 (2006.01); H04R 7/04 (2006.01); H04R 17/00 (2006.01)

CPC (invention and additional information)

H04R 7/045 (2013.01); H04R 17/00 (2013.01)

Citation (search report)

See references of WO 0054549A3

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

WO 0054549 A2 20000914; WO 0054549 A3 20001214; AU 2928200 A 20000928; EP 1159854 A2 20011205; GB 9905373 D0 19990505; JP 2002539699 A 20021119; TW 469748 B 20011221

INPADOC legal status


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

- Designated State(s): DE FR GB IT

2003-10-08 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20030401

2003-01-02 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20021119

2001-12-05 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010924

2001-12-05 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-12-05 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI