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:
Nov. 20, 2012
Filed:
Jun. 28, 2007
Applicant:
Duck Soo Lee, Seoul, KR;
Inventor:
Duck Soo Lee, Seoul, KR;
Assignee:
Neofidelity, Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A necklace type sound reproduction apparatus is disclosed. The apparatus is detachable from a media player to be worn on a neck of a user. An acoustic sound reproduced by a digital amplifier and a speaker of the apparatus is delivered to an ear of the user without using an earphone or a headphone via an audio signal processing.