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:
Jul. 29, 2014
Filed:
Sep. 02, 2010
Carlo Sancisi, Chiaravalle, IT;
Andrea Falcioni, Marzocca di Senigallia, IT;
Carlo Sancisi, Chiaravalle, IT;
Andrea Falcioni, Marzocca di Senigallia, IT;
Ask Industries Societa′ per Azioni, Monte San Vito (AN), IT;
Abstract
A shaker transducer is disclosed, which comprises a magnetic unit () composed of a magnet () disposed between a first polar plate () and a second polar plate () in such a way to generate a toroidal air gap (). A sound coil () is disposed in the air gap () to move axially and a centering element () is fixed to the coil to maintain it centered with respect to the magnetic unit (). A rigid element () comprising a shank () fixed to said cylindrical support () of the sound coil and adapted to be anchored to a surface to transfer the sound vibrations generated by the magnetic unit (). The centering element () comprises a central cylindrical shank () fixed to the coil, a peripheral shank () fixed to the second polar plate () and a plurality of elastic spokes () disposed between said central shank () and said peripheral shank ().