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:
Oct. 25, 2005
Filed:
Jun. 08, 2004
Peter Geoffrey Scotson, Worcester, GB;
Christopher David Dixon, Finham, GB;
Connel Williams, Leamington Spa, GB;
Peter Geoffrey Scotson, Worcester, GB;
Christopher David Dixon, Finham, GB;
Connel Williams, Leamington Spa, GB;
Lucas Industries Limited, , GB;
Abstract
An angular velocity sensor for a rotor () and method of determining angular velocity in which the position at which event generation means () pass sensing means () is determined using information from the times at which the event generation means () passed the sensing means () during at least one previous complete revolution to of the rotor (). Especially applicable to use of Hall Effect Sensors to detect commutation points of a brushless permanent magnet rotor in an Electric Power Assisted Steering apparatus.