ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,896, issued on Sept. 30, was assigned to FLY CAT ELECTRICAL Co. LTD. (Shenzhen, China).
"CNC switch device and control method" was invented by Xiao Liu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A CNC switch device is provided, including a knob mechanism and a PCB. The knob mechanism is provided with a magnet, and the PCB is provided with an induction component and a control component. When the knob mechanism rotates with respect to the PCB in a contactless mode, the magnet is configured to rotate with the knob mechanism. The induction component on the PCB is configured to sense position information of the magnet and transmit t...