US Patent Issued to KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE on Dec. 30 for "Contactless DC electric-field sensor" (South Korean Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,579, issued on Dec. 30, was assigned to KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE (Changwon-si, South Korea).

"Contactless DC electric-field sensor" was invented by Jeong Min Woo (Changwon-si, South Korea), Sung Man Kang (Changwon-si, South Korea), Jae Bok Lee (Changwon-si, South Korea) and Mun No Ju (Changwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a contactless DC electric-field sensor having improved sensitivity. The contactless DC electric-field sensor has a circuit composed of a variable capacitor and an RF generator and improves sensitivity through resonance of the circuit by connecting an inductor t...