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:
Mar. 03, 2015
Filed:
Jul. 02, 2009
Guy Lemarquand, Le Mans, FR;
Mathias Remy, Villiers-le-Bâcle, FR;
Gaël Guyader, Chaudon, FR;
Renault S.A.S., , FR;
Universite du Maine, , FR;
Abstract
The invention relates to a voice coil support () for a coil transducer motor structure () having a first surface () towards one end and a second surface () towards the other end along an axis of displacement Z, the voice coil support being adapted to receive at least one coil (H,L) wound therearound an outer surface () arranged in use for displacing the voice coil support () along its axis of displacement Z, as a current is driven through the coils (H,L) when the voice coil support () is placed in a magnetic field, characterized in that the voice coil support () comprises a material adapted to prevent airflow communication between at least the first surface () and the second surface ().