EP 1172019 A2 20020116 - PIEZOELECRIC VIBRATION EXCITER
Title (en)
PIEZOELECRIC VIBRATION EXCITER
Title (de)
PIEZOELEKTRISCHER SCHWINGUNGSERREGER
Title (fr)
EXCITATEUR DE VIBRATIONS
Publication
Application
Priority
- GB 0001485 W 20000428
- GB 9910216 A 19990429
Abstract (en)
[origin: WO0067525A2] A curved piezoelectric device (13) is attached to a plate (11) to vibrate the plate. Mass-loading is applied to at least one free end (14) of the piezoelectric device to increase output.
IPC 1-7
IPC 8 full level
H04R 17/00 (2006.01); H10N 30/20 (2023.01); H04R 7/04 (2006.01); H04R 7/26 (2006.01)
CPC (source: EP)
H04R 17/00 (2013.01); H04R 7/045 (2013.01); H04R 7/26 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0067525 A2 20001109; WO 0067525 A3 20010308; AU 4582400 A 20001117; CN 1343438 A 20020403; DE 60005329 D1 20031023; EP 1172019 A2 20020116; EP 1172019 B1 20030917; GB 9910216 D0 19990630; JP 2002543727 A 20021217; TW 472497 B 20020111
DOCDB simple family (application)
GB 0001485 W 20000428; AU 4582400 A 20000428; CN 00804709 A 20000428; DE 60005329 T 20000428; EP 00927419 A 20000428; GB 9910216 A 19990429; JP 2000614776 A 20000428; TW 89108521 A 20000504