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:
Mar. 06, 2007
Filed:
Jul. 13, 2001
Wolfgang Bachmann, Nagel, DE;
Gerhard Krump, Schwarzach, DE;
Hans-jürgen Regl, Regensburg, DE;
Andreas Ziganki, Mettmann, DE;
Wolfgang Bachmann, Nagel, DE;
Gerhard Krump, Schwarzach, DE;
Hans-Jürgen Regl, Regensburg, DE;
Andreas Ziganki, Mettmann, DE;
Harman Becker Automotive Systems GmbH, Karlsbad, DE;
Abstract
The invention relates to a planar loudspeaker comprising a light, thin soundboard () which may be energized to produce multiply-reflected bending waves, a surrounding frame () holding the soundboard () in an articulated, shear-resistant manner; at least one driver () connected to the soundboard () to energize the soundboard (); and at least one bridge (), rigidly connecting the at least one driver () to the frame (), wherein the bridge or at least one of the bridges () is connected to the damping board ().