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. 01, 2015
Filed:
Feb. 16, 2012
Thierry Bieler, Echichens, CH;
Christian Fleury, Bellerive, CH;
Christian Koechli, Yvonnand, CH;
Laurent Cardoletti, Villeneuve, CH;
Simon Tinguely, Chésopelloz, CH;
Thierry Bieler, Echichens, CH;
Christian Fleury, Bellerive, CH;
Christian Koechli, Yvonnand, CH;
Laurent Cardoletti, Villeneuve, CH;
Simon Tinguely, Chésopelloz, CH;
MICRO-BEAM SA, Yverdon les Bains, CH;
Abstract
Method for determining the position of a rotor in a brushless motor or in a stepper motor, said method including the following steps: applying a voltage in at least one powered phase of the motor; measuring, in an unpowered phase of the motor, the voltage induced by mutual inductance between phases; and determining said position and/or the speed of the rotor from said induced voltage.