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:
Sep. 23, 2014
Filed:
Feb. 19, 2009
Applicant:
Frank Bothe, Backnang, DE;
Inventor:
Frank Bothe, Backnang, DE;
Assignee:
D & B Audiotechnik AG, Backnang, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/20 (2006.01); H04R 1/02 (2006.01); H04R 1/34 (2006.01); H04R 27/00 (2006.01); H04R 1/40 (2006.01); H04R 1/26 (2006.01);
U.S. Cl.
CPC ...
H04R 1/345 (2013.01); H04R 1/026 (2013.01); H04R 27/00 (2013.01); H04R 1/403 (2013.01); H04R 2201/401 (2013.01); H04R 1/26 (2013.01);
Abstract
A loudspeaker box () has a loudspeaker housing () and a sound source () with a non-rotationally symmetrical radiation characteristic. The sound path of the sound source () contains an acoustic element () which dilates or constricts the radiation of sound in at least one radiation plane. The loudspeaker box () comprises a mechanism which can be used to position the sound source () and the acoustic element () in different rotational positions relative to one another.
Bothe, Frank. (2014). Loudspeaker box with a variable radiation characteristic (U.S. Patent No. 8842867). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8842867
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile