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:
Sep. 09, 2003
Filed:
Oct. 15, 1999
Applicant:
Inventors:
Assignee:
New Transducers Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 2/500 ;
U.S. Cl.
CPC ...
H04R 2/500 ;
Abstract
An electro-dynamic inertial vibration exciter ( ), for exciting a member ( ) having capability to sustain and propagate input vibrational energy comprising a motor coil assembly ( ) having a coil ( ) rigidly fixed to a tubular coil former member ( ), a magnet assembly ( ) disposed concentrically with respect to the motor coil assembly, and means ( ) suspending the magnet assembly for axial movement relative to the motor coil assembly, characterized by a carrier ( ) supporting the motor coil assembly ( ) and adapted for connection to the member ( ) to be excited.