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. 16, 2018
Filed:
May. 11, 2016
Seungchul Lee, Daejeon, KR;
SeungChul Lee, Daejeon, KR;
Other;
Abstract
A circuit for detecting arc due to a bad contact includes a rectifying unit for rectifying an arc pulse voltage due to the bad contact, an arc voltage detection unit for detecting an arc voltage through the rectifying unit, a high-frequency pass filter combined in a front end or a rear end of the arc voltage detection unit, a control signal generation unit for generating a relay driving control signal using the arc voltage detected by the arc voltage detection unit, and a relay unit controlled by the relay driving control signal and electrically connecting a ground line and a power line of the interior wiring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile