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. 17, 2015
Filed:
Aug. 16, 2011
Applicants:
Thomas Sporer, Fuerth, DE;
Daniel Beer, Martinroda, DE;
Stephan Mauer, Ilmenau, DE;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 9/06 (2006.01); H04R 1/26 (2006.01); H04R 1/40 (2006.01);
U.S. Cl.
CPC ...
H04R 1/26 (2013.01); H04R 1/403 (2013.01); H04R 2201/401 (2013.01); H04R 2205/022 (2013.01);
Abstract
A loudspeaker includes a two-dimensional array of non-housed individual speakers having flat shapes. The non-housed individual speakers are accommodated within a flat housing, the depth of the housing being smaller than 5 cm, for example. Non-housed individual speakers used are advantageously headphone capsules and/or miniature loudspeakers having diaphragm diameters of less than 5 cm.