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:
Dec. 14, 2021
Filed:
Apr. 05, 2019
Lg Electronics Inc., Seoul, KR;
Sang Won Kim, Seoul, KR;
Seunghoe Choe, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A wireless electric power sensing device can include a communication unit configured to communicate with an external device; a measuring unit configured to measure power consumption information corresponding to a plurality of devices located within a target space; and a central control unit configured to detect a point in time when one or more square waves are included in the power consumption information, determine reactive power based the power consumption information, identify an electric heating device from among the plurality of devices within the target space based on a rate of change in the reactive power, determine when an operation time of the electric heating device exceeds a predetermined amount of time based on a change in the power consumption information, and in response to the operation time of the of the electric heating device exceeding the predetermined amount of time, transmit, via the communication unit, identification information for the electric heating device and information about the operation time of the electric heating device to the external device.