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:
Jul. 18, 2017
Filed:
Sep. 29, 2015
Applicant:
Mindray Medical Sweden Ab, Sundbyberg, SE;
Inventors:
Mathias Eklund, Stockholm, SE;
Göran Cewers, Limhamn, SE;
Assignee:
SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD, Shenzhen, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 33/00 (2006.01); H02K 41/035 (2006.01); A61M 16/20 (2006.01); H02P 25/028 (2016.01); H02P 25/034 (2016.01); F16F 15/02 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
H02K 41/0354 (2013.01); A61M 16/20 (2013.01); A61M 16/203 (2014.02); H02P 25/028 (2013.01); H02P 25/034 (2016.02); A61M 16/205 (2014.02); F16F 15/02 (2013.01); F16K 31/06 (2013.01);
Abstract
A device or method for stabilizing a voice coil is disclosed. The device comprises a voice coil for providing a motive force, and means for measuring a signal from said voice coil related to a motional electromotive force. The device further comprises a unit for controlling an amplification of said signal to create a force in said voice coil in a direction of said motional electromotive force.