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. 11, 1997
Filed:
Jun. 01, 1994
Applicant:
Inventor:
Malcolm A Swinbanks, Cambridge, GB;
Assignee:
MAS Research Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F / ; F16F / ;
U.S. Cl.
CPC ...
188267 ; 310 51 ; 318254 ; 188378 ;
Abstract
The invention provides a vibration cancellation device for rigidly mounting to or forming part of an apparatus subject to vibration. The device comprises a mass supported by magnetic levitation but which is magnetically driven to provide vibration cancelling relative movement, movement sensors controlling the application of power, in a relative motion cancellation direction.