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:
Feb. 14, 2012
Filed:
Mar. 23, 2007
Applicant:
Takashi Mitsuhashi, Saitama, JP;
Inventor:
Takashi Mitsuhashi, Saitama, JP;
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); H04R 1/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A speaker device comprises a first speaker (SP) for reproducing an audio signal and a second speaker (SP) adapted for reproducing an audio signal and spaced from the first speaker horizontally by a predetermined distance. At least one of the first and second speakers phase has varying means (APF, APF, . . . ) for varying the phase of the audio signal by a predetermined quantity of phase according to (i) the frequency of the audio signal and (ii) the predetermined distance.
Quick Actions:
Mitsuhashi, Takashi. (2012). Speaker device with the phase changing device for varying the phase of the audio signal (U.S. Patent No. 8116483). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8116483
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile