The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 2011
Filed:
Mar. 07, 2003
Juergen Schultz, Lehre, DE;
Volkmar Schoening, Wedemark, DE;
Tobias Boehm, Velpke, DE;
Stefan Matulovic, Ruehen, DE;
Juergen Schultz, Lehre, DE;
Volkmar Schoening, Wedemark, DE;
Tobias Boehm, Velpke, DE;
Stefan Matulovic, Ruehen, DE;
Volkswagen AG, Wolfsburg, DE;
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.