ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,187, issued on Sept. 9, was assigned to Samsung SDI Co. Ltd. (Yongin-si, South Korea).
"Connection diagnosis device" was invented by Sunho Choi (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present invention relates to a connection diagnosis device for diagnosing connection states between devices. The connection diagnosis device may include: an output end and an input end connected to respective ends of an interlock loop line included in one of the devices; a first voltage varying circuit for outputting a first voltage that is variable according to a first current flowing through a first current path from...