EP 0100711 A3 19841114 - HALF WAVE TRANSDUCER USING AN ACTIVE PIEZO-ELECTRIC POLYMER ELEMENT
Title (en)
HALF WAVE TRANSDUCER USING AN ACTIVE PIEZO-ELECTRIC POLYMER ELEMENT
Publication
Application
Priority
FR 8213357 A 19820730
Abstract (en)
[origin: US4473769A] The invention relates to electromechanical transducers of the half-wave type in which the active element is a foil of piezoelectric polymer surrounded by electrodes. The invention provides a transducer in which the vibrating structure comprises, integral with the active piezoelectric polymer foil, at least one passive foil serving as a support for the electrodes.
IPC 1-7
IPC 8 full level
B06B 1/06 (2006.01)
CPC (source: EP US)
B06B 1/0692 (2013.01 - EP US); Y10S 310/80 (2013.01 - EP US)
Citation (search report)
- [YP] FR 2503517 A1 19821008 - THOMSON CSF [FR]
- [Y] US 4117074 A 19780926 - TIERSTEN HARRY F, et al
- [A] EP 0015886 A1 19800917 - TORAY INDUSTRIES [JP]
Designated contracting state (EPC)
DE GB NL SE
DOCDB simple family (publication)
EP 0100711 A2 19840215; EP 0100711 A3 19841114; FR 2531298 A1 19840203; FR 2531298 B1 19860627; US 4473769 A 19840925
DOCDB simple family (application)
EP 83401485 A 19830719; FR 8213357 A 19820730; US 51768683 A 19830727