ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,287, issued on Sept. 16, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Switch system" was invented by Yusuke Kinoshita (Kyoto, Japan), Ryosuke Maeda (Osaka, Japan) and Satoshi Nakazawa (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a switch system, a voltage clamping element is connected to a semiconductor switch in parallel. An active clamping circuit is connected between a control terminal and a first main terminal of the semiconductor switch. The active clamping circuit includes a first diode, a second diode, and a control switch. A second anode of the second diode is connected to a first a...