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. 26, 2026
Filed:
May. 31, 2024
Sound Solutions International (Zhenjiang) Co., Ltd., Zhenjiang City, CN;
Friedrich Reining, Vienna, AT;
Gustav Otto, Vienna, AT;
Sound Solutions International (Zhenjiang) Co., Ltd., Zhenjiang City, CN;
Abstract
An electrodynamic actuator () is disclosed, which comprises a primary drive system () with a primary voice coil () and a primary magnet system () and which comprises a secondary drive system () with a secondary voice coil () and a secondary magnet system (). The secondary drive system () is arranged within the primary magnet system (), and an inner center magnet () of the secondary magnet system () is arranged within the secondary voice coil (). A movable part () of the secondary drive system () comprises or is formed by the secondary voice coil () and/or the inner center magnet (). Additionally, an electrodynamic transducer (), an output device, a speaker () and a sound system () with such an electrodynamic actuator () are disclosed. The sound system () comprises an electronic sound signal circuit () for generation of a primary coil signal (SO) fed to the primary voice coil () and of a phase shifted secondary coil signal (SO) fed to the secondary voice coil ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile