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. 01, 2018
Filed:
Jul. 28, 2014
Applicant:
Korea Institute of Machinery & Materials, Daejeon, KR;
Inventors:
Kyungjun Song, Daejeon, KR;
Shin Hur, Daejeon, KR;
Youngdo Jung, Seoul, KR;
Seong-Hyun Lee, Daejeon, KR;
Jedo Kim, Busan, KR;
Assignee:
KOREA INSTITUTE OF MACHINERY & MATERIALS, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/08 (2006.01); G10K 11/22 (2006.01); G10K 11/26 (2006.01); H04R 1/34 (2006.01);
U.S. Cl.
CPC ...
G10K 11/08 (2013.01); G10K 11/22 (2013.01); G10K 11/26 (2013.01); H04R 1/345 (2013.01);
Abstract
A sound wave metamaterial amplifies a sound wave, and includes a plate. The plate has a plurality of sound wave guides passing through both surfaces of the plate and having a predetermined pattern. The sound wave guides are spaced apart from each other by a predetermined distance and face each other, with respect to a central point, a central axis or a central surface.