Global Patent Index - EP 3459265 A4

EP 3459265 A4 20191113 - 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

EP 3459265 A4 20191113 (EN)

Application

EP 17798869 A 20170520

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 19/02 (2006.01); H04R 31/00 (2006.01); H04R 3/00 (2006.01); H04R 5/02 (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)

Citation (search report)

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

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