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. 20, 2014
Filed:
Dec. 13, 2012
Applicant:
Bujeon Co., Ltd., Ansan, KR;
Inventors:
Dong Hyun Seo, Ansan, KR;
Seung Cheol Lee, Seoul, KR;
Assignee:
Bujeon Co., Ltd., Ansan, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 9/027 (2013.01);
Abstract
Disclosed is a microspeaker with an inner resonance chamber, more particularly a microspeaker with an inner resonance chamber which improves quality of sound and enables slim and compact design of the microspeaker by blocking rearward sound generated at the rear side of the vibration plate to prevent interference of a rearward sound with a forward sound generated at the front side of a vibration plate and installing a chamber with a specific volume within the microspeaker to allow the rearward sound to cause resonance.