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:
Jun. 07, 2022
Filed:
Nov. 02, 2020
Applicant:
Hyun Chul Kim, Seoul, KR;
Inventor:
Hyun Chul Kim, Seoul, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/30 (2006.01); H04R 1/32 (2006.01);
U.S. Cl.
CPC ...
H04R 1/323 (2013.01);
Abstract
The present invention relates to a superdirective speaker, and particularly, to a superdirective speaker in which speaker units are disposed and aligned adjacent to one another, and sound outputted from the speaker units overlaps and propagates stepwise, such that the sound may be clearly transmitted over a long distance.