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:
Jan. 01, 2019
Filed:
May. 24, 2017
Applicant:
D2a Audio Llc, Morgan Hill, CA (US);
Inventor:
Ahmad Rick Ashrafzadeh, Morgan Hill, CA (US);
Assignee:
D2A Audio LLC, Morgan Hill, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 5/02 (2006.01); H04R 3/14 (2006.01); H04R 5/04 (2006.01); H04R 1/26 (2006.01); H04S 3/00 (2006.01); H04R 3/04 (2006.01);
U.S. Cl.
CPC ...
H04R 5/02 (2013.01); H04R 1/26 (2013.01); H04R 3/04 (2013.01); H04R 3/14 (2013.01); H04R 5/04 (2013.01); H04S 3/008 (2013.01);
Abstract
Disclosed are stereo sound system devices and methods for reproducing stereo sound with improved auditory experience and reduced speaker rattle. In some embodiments, the disclosed arrangement of speakers on the sound system housing and driving low frequency speakers with the same signal contribute to the improved auditory experience and reduced speaker rattle effect.