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:
Oct. 06, 2015
Filed:
Apr. 29, 2008
Applicant:
Arthur Perry Berkhoff, Doetinchem, NL;
Inventor:
Arthur Perry Berkhoff, Doetinchem, NL;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 7/04 (2006.01); H04R 1/24 (2006.01); H04R 7/10 (2006.01);
U.S. Cl.
CPC ...
H04R 7/045 (2013.01); H04R 1/24 (2013.01); H04R 7/10 (2013.01);
Abstract
A sound generator, particularly a loudspeaker, configured to emit sound, comprising a rigid element () enclosing a plurality of air compartments (), wherein the rigid element () has a back side (B) comprising apertures (), and a front side (F) that is closed, wherein the generator is provided with at least one actuator (), for instance one or more electromagnetic actuators and/or piezoelectric elements, configured to actuate the rigid element () for the generation of the sound.