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. 04, 2025
Filed:
Oct. 06, 2023
Applicant:
Fortemedia, Inc., Alviso, CA (US);
Inventors:
Shih-Chin Gong, Taipei, TW;
Yu-Xuan Xu, Hsinchu, TW;
Assignee:
FORTEMEDIA, INC., Alviso, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 9/025 (2013.01); H04R 9/06 (2013.01);
Abstract
A micro speaker structure is provided. The micro speaker structure includes a substrate, a diaphragm, a coil, a circuit board, and a magnet member. The substrate has a hollow space. The diaphragm is disposed over the substrate and covers the hollow chamber. The coil is embedded in the diaphragm. The circuit board is attached to the substrate. The magnet member is disposed on the circuit board and in the hollow chamber. The magnet member has a first side facing the coil and a second side opposite the first side, wherein the first side includes a first polar area and a second polar area having different polarities.