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. 25, 2014
Filed:
Mar. 05, 2008
Anni Tuulia Kolisoja, Helsinki, FI;
Terhi Ina Aurora Varla, Iisalmi, FI;
Arno Mikael Varla, Iisalmi, FI;
Ari Olavi Varla, Iisalmi, FI;
Genelec Oy, Iisalmi, FI;
Abstract
A loudspeaker driver () also suitable for compound applications comprising a rigid speaker frame () to which is attached a permanent magnet () with which a voice coil winding () is adapted to interact through electromagnetic force. The voice coil winding () is adapted to deliver axial motion to a diaphragm assembly (), which includes an elastic outer section (), whose outer rim () is attached to the outer part of the speaker frame (). The diaphragm assembly () comprises an essentially rigid primary vibrating diaphragm () attached between the elastic outer section () and an elastic inner section (), whose inner rim () is attached to the inner part of said speaker frame (). Said voice coil winding () is fixed to the primary vibrating diaphragm () through said voice coil former (), which is adapted to move said diaphragm assembly ().