Global Patent Index - EP 2955938 A1

EP 2955938 A1 20151216 - Interface circuit for a hearing aid and method

Title (en)

Interface circuit for a hearing aid and method

Title (de)

Schnittstellenschaltung für ein Hörgerät und Verfahren

Title (fr)

Circuit d'interface destiné à une prothèse auditive et procédé

Publication

EP 2955938 A1 20151216 (EN)

Application

EP 14172394 A 20140613

Priority

EP 14172394 A 20140613

Abstract (en)

An interface pad circuit configured for conveying an electrical signal from a semiconductor chip component to a component external to the semiconductor chip component, the interface pad circuit includes: a control circuit; a plurality of semiconductor elements, the semiconductor elements having respective bulk terminals and being controlled by the control circuit; and a connection pad; wherein at least two of the semiconductor elements are configured for providing a plurality of non-zero logic voltage levels to the connection pad; and wherein the control circuit is configured to apply a voltage level to the bulk terminals of the at least two of the semiconductor elements providing the non-zero logic voltage levels, the voltage level applied by the control circuit corresponding to the highest voltage level of the plurality of non-zero logic voltage levels.

IPC 8 full level

H04R 25/00 (2006.01)

CPC (source: EP)

H04R 25/00 (2013.01); H04R 2460/03 (2013.01)

Citation (search report)

[I] US 2006023519 A1 20060202 - CHOI SEOUK-KYU [KR], et al

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)

EP 2955938 A1 20151216

DOCDB simple family (application)

EP 14172394 A 20140613