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:
Dec. 23, 2025
Filed:
Dec. 01, 2023
Aac Microtech (Changzhou) Co., Ltd., Jiangsu, CN;
Tao Shao, Changzhou, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
The present disclosure discloses a coaxial speaker including a frame, a magnet system, a first vibration system, and a second vibration system surrounded by and coaxially arranged with the first vibration system. The first vibration system includes a first diaphragm and a first coil. The second vibration system includes a second diaphragm and a second coil. The magnet system includes a first yoke, a first magnet and a second yoke, a second magnet and a third yoke are successively stacked on the first magnet. The second yoke includes a protrusion towards the second diaphragm, a first magnetic gap is formed between the first magnet and the first yoke, a second magnetic gap is formed between the second magnet and the protrusion, the first coil and the second coil are separately inserted into the first magnetic gap and the second magnetic gap.