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. 12, 2002
Filed:
Aug. 15, 2000
Applicant:
Inventors:
Klaus Linhard, Schelklingen, DE;
Gerhard Schaller, Augsburg, DE;
Assignee:
DaimlerChrysler AG, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04G 1/18 ;
U.S. Cl.
CPC ...
E04G 1/18 ;
Abstract
For a selective sound propagation pattern that has an especially high directivity, including in the bass frequency region, there is inventively provided a loudspeaker box ( ) with a housing ( ) and at least one loudspeaker ( ) with chassis ( ) which is surrounded by a housing wall ( ) in such a way that in the low frequency region the rear side and front side sound of the loudspeaker ( ) overlay themselves with a sound increase in a preferred direction.