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:
Oct. 29, 2024
Filed:
Sep. 26, 2022
Applicant:
National Central University, Taoyuan, TW;
Inventors:
Po-Lei Lee, Taoyuan, TW;
Kuo-Kai Shyu, Taoyuan, TW;
Assignee:
NATIONAL CENTRAL UNIVERSITY, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 7/04 (2006.01); H04R 7/22 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 7/04 (2013.01); H04R 7/22 (2013.01); H04R 9/025 (2013.01);
Abstract
A thin loudspeaker is provided. The thin loudspeaker includes a small magnet and a thin coil diaphragm. The coil diaphragm has a plurality of planar coils and a membrane. The membrane has a plurality of laminated substrates. The planar coils are interconnected, stacked, and respectively formed on the substrates. The magnet is disposed to contact the underside of the coil diaphragm along the common central axis of the planar coils.