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:
May. 12, 2026
Filed:
Dec. 29, 2023
Goertek Inc., Weifang, CN;
Miaomiao Wang, Weifang, CN;
Xiaodong Guo, Weifang, CN;
Chengfei Zhang, Weifang, CN;
Chunfa Liu, Weifang, CN;
GOERTEK INC., Weifang, CN;
Abstract
Disclosed are a sound generator and an audio device. The sound generator includes a magnetically conductive plate, a first magnetic structure, a second magnetic structure, a treble diaphragm, a treble voice coil, a bass diaphragm and a bass voice coil. The first magnetic structure includes a first washer including a first sub-washer located and a second sub-washer provided surrounding the first sub-washer, and a treble magnetic gap is formed between the first sub-washer and the second sub-washer. A bass magnetic gap is formed between the first magnetic structure and the second magnetic structure. The treble voice coil is provided on a side of the treble diaphragm close to the magnetically conductive plate and is provided corresponding to the treble magnetic gap. The bass voice coil is provided on a side of the bass diaphragm close to the magnetically conductive plate and is provided corresponding to the bass magnetic gap.