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:
Feb. 23, 2021
Filed:
Jun. 13, 2017
Focal Jmlab, La Talaudiere, FR;
Ludovic Uhring-Cadart, Sorbiers, FR;
Clement Auzou, Saint Etienne, FR;
Arnaud Cazes Bouchet, Balbigny, FR;
FOCAL JMLAB, La Talaudiere, FR;
Abstract
The invention relates to a broadband electrodynamic transducer for headphones, said transducer comprising: —a magnetic motor designed to generate a magnetic field; —a coil that is disposed in the air gap of the magnetic motor and can move translationally under the effect of the magnetic field; and —a membrane that is connected to the coil in such a way as to convert the translational movement of the coil into an acoustic wave; —the transducer comprising a self-supporting coil that is glued to the membrane, the membrane having a Young's modulus of more than 40 GPa.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile