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:
Jun. 04, 2024
Filed:
Nov. 06, 2020
Goertek Inc., Shandong, CN;
Zhibing Zhang, Shandong, CN;
Jie Yang, Shandong, CN;
GOERTEK INC., Weifang, CN;
Abstract
Provided is a voice coil wire for a sound generating device, comprising a wire body and a cavity provided in the wire body, the wire body is configured to be applied with a current signal, wherein the cavity is in a vacuum state or is filled with an insulating gas. Also provided is a voice coil, the voice coil is provided with the voice coil wire. Also provided is a sound generating device. By filling the cavity of the voice coil wire with the insulating gas or configuring the cavity to be in the vacuum state, the weight of the voice coil wire can be reduced, so the influence of skin effect on the voice coil wire is reduced, and the utilization rate of the voice coil wire is improved.