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:
Dec. 09, 2025
Filed:
Jan. 21, 2022
Applicant:
Sony Group Corporation, Tokyo, JP;
Inventor:
Falk-Martin Hoffmann, Stuttgart, DE;
Assignee:
SONY GROUP CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); H04R 1/40 (2006.01); H04R 3/00 (2006.01); H04R 29/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2876 (2013.01); H04R 1/406 (2013.01); H04R 3/005 (2013.01); H04R 29/005 (2013.01);
Abstract
A device comprising: an acoustic metamaterial (AMM), wherein the phase velocity of an acoustic wave is reduced at low frequencies as compared to the phase velocity at higher frequencies; a microphone array (MIC) of at least two microphones (mic, mic) embedded in the acoustic metamaterial (AMM) and configured to detect acoustic waves.