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. 09, 2018
Filed:
Nov. 05, 2015
Lg Electronics Inc., Seoul, KR;
Haklim Lee, Seoul, KR;
Jaehyuk Seol, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
Electronic devices are disclosed. According to the present invention, an electronic device may comprise a base; a rotor rotating on the base; a first magnetic body positioned at a center of rotation of the rotor; a second magnetic body having a different polarity from the first magnetic body, facing the first magnetic body, and positioned in the base; a first plurality of magnetic bodies positioned around the second magnetic body and having at least two different polarities; a hall sensor embedded in the rotor and sensing a change in magnetic property provided from the first plurality of magnetic bodies according to the rotation of the rotor; a wireless communication unit embedded in the rotor or the base; and a controller embedded in the rotor or the base and transmitting information obtained by the hall sensor through the wireless communication unit.