Global Patent Index - EP 3158774 A1

EP 3158774 A1 20170426 - ELECTRICALLY CONDUCTIVE MEMBRANE PUMP/TRANSDUCER AND METHODS TO MAKE AND USE SAME

Title (en)

ELECTRICALLY CONDUCTIVE MEMBRANE PUMP/TRANSDUCER AND METHODS TO MAKE AND USE SAME

Title (de)

ELEKTRISCH LEITFÄHIGE MEMBRANPUMPEN/WANDLER UND VERFAHREN ZUR HERSTELLUNG UND VERWENDUNG DAVON

Title (fr)

TRANSDUCTEUR/POMPE À MEMBRANE ÉLECTROCONDUCTRICE, ET PROCÉDÉS POUR LEUR FABRICATION ET LEUR UTILISATION

Publication

EP 3158774 A1 20170426 (EN)

Application

EP 15736708 A 20150618

Priority

  • US 201414309615 A 20140619
  • US 201414309635 A 20140619
  • US 2015036487 W 20150618

Abstract (en)

[origin: WO2015195952A1] An improved electrically conductive membrane pump/transducer. The electrically conductive pump/transducer includes an array of electrically conductive membrane pumps that combine to generate a desired sound by moving a membrane (such as a membrane of PDMS), a piston, and/or by the use of pressurized airflow in the absence of such a membrane or piston. The electrically conductive membranes in the array can be, for example, graphene-polymer membranes. The electrically conductive pump can include mid-range, tweeter, and sub-woofer speakers.

IPC 8 full level

H04R 1/28 (2006.01); H04R 19/02 (2006.01)

CPC (source: EP)

A61B 8/4483 (2013.01); H04R 1/345 (2013.01); H04R 1/1016 (2013.01); H04R 1/26 (2013.01); H04R 1/2896 (2013.01); H04R 1/403 (2013.01); H04R 5/02 (2013.01); H04R 19/02 (2013.01); H04R 25/00 (2013.01); H04R 2307/023 (2013.01); H04R 2499/11 (2013.01); H04R 2499/13 (2013.01)

Citation (search report)

See references of WO 2015195952A1

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 2015195952 A1 20151223; EP 3158774 A1 20170426

DOCDB simple family (application)

US 2015036487 W 20150618; EP 15736708 A 20150618