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. 20, 2012
Filed:
May. 28, 2007
Takahiro Hayakawa, Kanagawa, JP;
Noboru Katta, Kanagawa, JP;
Junichi Matsuda, Kanagawa, JP;
Kenichi Noguchi, Tokyo, JP;
Takahiro Hayakawa, Kanagawa, JP;
Noboru Katta, Kanagawa, JP;
Junichi Matsuda, Kanagawa, JP;
Kenichi Noguchi, Tokyo, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A loudspeaker system capable of simultaneously providing listeners with a listening environment not giving them a feeling of strangeness. The loudspeaker system () comprises drive motors (toto) for so driving at least first R-channel loudspeaker () that the current first listening position is substantially included in the perpendicularly bisecting plane of a line joining the intersecting point of the first R-channel speaker () and its directivity axis and the intersecting point of the second R-channel loudspeaker () and its directivity axis and so driving at least fourth L-channel loudspeaker () that the current second listening point is substantially included in the perpendicularly bisecting plane of the line joining the intersecting point of a third L-channel loudspeaker () and its directivity axis and the intersecting point of a fourth L-channel loudspeaker () and its directivity axis. The loudspeaker system () further comprises their motor driver section ().