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:
Mar. 24, 2026
Filed:
Jun. 13, 2024
Aac Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Bo Li, Changzhou, CN;
Zhuanzhuan Zhao, Changzhou, CN;
Kaijie Wang, Changzhou, CN;
Yu Chen, Singapore, SG;
Rui Zhang, Changzhou, CN;
Yang Li, Changzhou, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
The present disclosure discloses an electromagnetic microphone including: a housing; a circuit board; and a sound transducer, including: a substrate including a back cavity, a vibrator mounted on a side of the substrate away from the circuit board and covering the back cavity, including: a membrane; and a magnetic component mounted on the membrane and configured to generate magnetic field; a coil located within the magnetic field of the magnetic component; a sound hole penetrated on the housing or the circuit board is configured to communicate with the back cavity; when external sound wave transmitted from the sound hole and the back cavity acts on the membrane, the magnetic component and the coil interact to generate electrical signal. The electromagnetic microphone in the present disclosure has higher sensitivity, reliability and stability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile