Patent · US Expired

Communications device for transmitting acoustic signals in a motor vehicle

US8054988B2 · kind B2 · utility

2Cited by

12References

14Claims

0Family size

Assignee

VOLKSWAGEN AKTIENGESELLSCHAFT · DE

Inventors

Juergen Schultz · Wolfsburg, DE
Volkmar Schoening · Großburgwedel, DE
Tobias Boehm · Oebisfelde, DE
Stefan Matulovic · Lübz, DE

Key dates

Filing date	Mar 7, 2003
Grant date	Nov 8, 2011
Priority date	—
Expiry date	Dec 5, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH04M19/005
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A communications device is for transmitting acoustic signals in a motor vehicle. The communications device includes at least two transmitters and at least two receivers for transmitting and emitting acoustic signals. One transmitter and one receiver are each allocated to a spatial position. The device further includes a control unit for activating or deactivating at least the transmitters. The control unit is associated with at least one actuator element by which at least one transmitter may be selectively deactivated irrespective of a prevailing signal level.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.