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:
May. 28, 2019
Filed:
Mar. 18, 2016
Applicant:
Focal Jmlab, La Talaudiere, FR;
Inventor:
Shintaro Hosoi, Lyons, FR;
Assignee:
FOCAL JMLAB, La Talaudiere, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); H04R 1/30 (2006.01); G10K 11/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/288 (2013.01); G10K 11/002 (2013.01); H04R 1/2865 (2013.01); H04R 1/30 (2013.01);
Abstract
The invention relates to an acoustic impedance matching device arranged so as to be mounted behind a loudspeaker. Said device comprises a chamber at least partially filled with an absorbent material. Said device is characterized in that the cross-section of the chamber increases with the distance from the loudspeaker, and the density of the absorbent material increases with the distance from the loudspeaker.
Hosoi, Shintaro. (2019). Acoustic impedance matching device and loudspeaker provided with such a device (U.S. Patent No. 10306353). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10306353
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile