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:
Oct. 05, 2021
Filed:
Dec. 11, 2019
Aac Technologies Pte. Ltd., Singapore, SG;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
A speaker includes a frame; a magnetic circuit system in the frame; and a vibrating system in the frame. The vibrating system includes a suspension ring fixed on the frame, a number of domes fixed at a center of the suspension ring and a voice coil connected below the domes. The domes includes a first dome and a second dome stacked with each other. The second dome has a body part and a number of convex parts extending from the body part to the magnetic circuit system; a number of intervals each formed between every two contiguous convex parts. The convex part includes a bottom surface close to the magnetic circuit system. The voice coil buts the bottom surface and forms leakage passages with the second dome at the interval positions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile