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.

Date of Patent:
Feb. 25, 2014

Filed:

Aug. 05, 2011
Applicants:

Yasunori Kobayashi, Wako, JP;

Toshio Inoue, Wako, JP;

Inventors:

Yasunori Kobayashi, Wako, JP;

Toshio Inoue, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An active vibration control apparatus includes a linear actuator and a controller. The linear actuator includes a moving element, a stator and an elastic support. The stator has a plurality of coils surrounding the moving element. The elastic support supports the moving element to be reciprocally movable relative to the stator in an axial direction of the moving element due to elastic deformation of the elastic support. The controller is configured to apply an alternating current to the stator to generate vibration due to relative displacement of the moving element and the stator in the axial direction. The controller is configured to correct a center position of an amplitude of the vibration by additionally applying a predetermined direct current as a biased current to the stator when the linear actuator satisfies a predetermined vibration condition.


Find Patent Forward Citations

Kobayashi, Yasunori. (2014). Active vibration control apparatus (U.S. Patent No. 8659245). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8659245

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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