ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,807, issued on Aug. 19, was assigned to SHENZHEN EVERBEST MACHINERY INDUSTRY Co. LTD. (Shenzhen, China).
"Detection device" was invented by Zhijian Huang (Guangdong, China) and Zhaojie Hu (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A detection device includes a housing, a wall detection assembly and a multimeter assembly, wherein the wall detection assembly comprises a sensing assembly and a wall detection processing circuit, the sensing assembly comprising at least one of a metal detection sensing element, a foreign object detection sensing element and an alternating-current voltage signal sensing element; wherein the sensing a...