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:
Jun. 23, 2020
Filed:
Jun. 07, 2017
Sunkwang Lighting Protection Technical Institute Inc., Seoul, KR;
Dong-Jin Kim, Seoul, KR;
Jong-Yeon Kim, Gyeonggi-do, KR;
Wan-Seong Kwon, Seoul, KR;
Dong-Min Kim, Jeju-do, KR;
Yong-Su Kim, Seoul, KR;
Byeong-U Kim, Seoul, KR;
Abstract
A ground electrode () positioned in the earth and a monitoring device () configured to measure a current and resistance of a ground line, where the monitoring device () includes a ground current sensing unit () configured to measure the current of the ground line, a resistance sensing unit () configured to measure ground resistance of the earth and an earth resistance rate, a voltage sensing unit () configured to check a voltage value of commercial power, a temperature and humidity sensing unit () configured to check a surrounding temperature and humidity of the monitoring device (), and a monitoring unit () configured to confirm whether the ground current, ground resistance and earth resistance measured are abnormal values by compared with reference values classified based on the temperature and humidity measured.