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.

Date of Patent:
May. 19, 2015

Filed:

Mar. 04, 2014
Applicant:

Panasonic Corporation, Osaka, JP;

Inventors:

Katsu Takeda, Osaka, JP;

Fumiyasu Konno, Osaka, JP;

Kazuhisa Kotegawa, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 29/00 (2006.01); H04S 7/00 (2006.01); H04R 5/02 (2006.01);
U.S. Cl.
CPC ...
H04S 7/303 (2013.01); H04R 5/02 (2013.01); H04R 2201/025 (2013.01); H04R 2205/024 (2013.01); H04R 2217/03 (2013.01);
Abstract

Provided is a sound reproduction device including: a first loudspeaker having directionality utilizing a parametric effect; a second loudspeaker having directionality broader than that of the first loudspeaker; an orientation adjustment unit configured to change an orientation of the first loudspeaker; an information obtaining device configured to obtain positional information of a listener; and a drive controller electrically connected to the first loudspeaker, the second loudspeaker, the orientation adjustment unit, and the information obtaining device, and configured to control the orientation of the first loudspeaker based on the positional information of the listener.


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