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:
Apr. 26, 2022
Filed:
Dec. 08, 2020
Applicant:
Vincent Chen, Taipei, TW;
Inventor:
Vincent Chen, Taipei, TW;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/04 (2006.01); H04R 31/00 (2006.01); D03D 1/00 (2006.01); H04R 9/06 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 31/006 (2013.01); D03D 1/00 (2013.01); H04R 9/043 (2013.01); H04R 9/06 (2013.01); H04R 9/025 (2013.01);
Abstract
A loudspeaker includes a loudspeaker body, a voice coil and a damper. The damper includes a main body, a wire and a first fixing sewing thread. The first fixing sewing thread includes a first sewing part including first to fourth wire winding portions and first to third yarn winding portions. The first and third wire winding portions extend from one side of the wire through upside of the wire to the other side of the wire while the second and fourth wire winding portions extend in the opposite direction The first to third yarn winding portions connect adjacent two wire winding portions and pass under one of the weft yarns, respectively.