EP 3459265 A1 20190327 - TRANSPARENT PARAMETRIC TRANSDUCER AND RELATED METHODS
Title (en)
TRANSPARENT PARAMETRIC TRANSDUCER AND RELATED METHODS
Title (de)
VERBESSERTER PARAMETRISCHER WANDLER UND ZUGEHÖRIGE VERFAHREN
Title (fr)
TRANSDUCTEUR PARAMÉTRIQUE TRANSPARENT ET PROCÉDÉS ASSOCIÉS
Publication
Application
Priority
- US 201615161086 A 20160520
- IB 2017052985 W 20170520
Abstract (en)
[origin: WO2017199226A1] A transparent ultrasonic emitter includes a first transparent conductive layer; a second transparent conductive layer; and a plurality of transparent spacers disposed between the first and second transparent layers conductive of the ultrasonic audio speaker, the transparent spacers having a thickness and being arranged to define an open area between the first and second transparent layers.
IPC 8 full level
H04R 1/02 (2006.01); H04R 9/06 (2006.01); H04R 11/02 (2006.01); H04R 25/00 (2006.01)
CPC (source: EP)
H04R 19/02 (2013.01); H04R 31/006 (2013.01); H04R 3/00 (2013.01); H04R 5/02 (2013.01); H04R 2217/03 (2013.01); H04R 2499/11 (2013.01); H04R 2499/15 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2017199226 A1 20171123; CN 109479168 A 20190315; EP 3459265 A1 20190327; EP 3459265 A4 20191113
DOCDB simple family (application)
IB 2017052985 W 20170520; CN 201780044682 A 20170520; EP 17798869 A 20170520