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:
Dec. 17, 2013
Filed:
Jun. 24, 2009
Applicants:
Udo Borgmann, Braunschweig, DE;
Hans-rudolf Germann, Winkel, CH;
Inventors:
Udo Borgmann, Braunschweig, DE;
Hans-Rudolf Germann, Winkel, CH;
Assignee:
Preform GmbH, Feuchtwangen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/20 (2006.01); H04R 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An acoustic adaptive noise generating device in the form of a flat panel loudspeaker is suitable for increasing people's powers of concentration in acoustically difficult surroundings. The adaptive noise generating device includes a carrier panel, an actuator arranged on the carrier panel. A control device is connected to the actuator and permits adjustment of noise signals emitted by the actuator.