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:
Aug. 27, 2019
Filed:
Mar. 27, 2018
Sound Solutions International Co., Ltd., Beijing, CN;
Friedrich Reining, Vienna, AT;
Sound Solutions International Co., Ltd., Beijing, CN;
Abstract
A method for avoiding an offset of a membrane () of an electrodynamic acoustic transducer () having two voice coils () is presented, wherein a control voltage (U) is applied to at least one of the voice coils () until the electromotive force (U) of the first coil () or a parameter derived thereof and the electromotive force (U) of the second coil () or a parameter derived thereof substantially reach a predetermined relation. Furthermore, an electronic offset compensation circuit () is presented, which performs the above application of a control voltage (U). Finally, the invention relates to a transducer system with a transducer () and an electronic offset compensation circuit () connected to the transducer ().