US Patent Issued to Sound Devices on June 30 for "Selectable magnetic contactless switch" (Wisconsin Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,558, issued on June 30, was assigned to Sound Devices LLC (Reedsburg, Wis.).

"Selectable magnetic contactless switch" was invented by Matt Anderson (Madison, Wis.), Jason McDonald (Madison, Wis.) and Ed Judziewicz (Cambridge, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An external selector assembly, such as a spring-loaded bayonet style switch, is removably attached to a compatible electronic device, such as a wireless microphone transmitter intended to be worn by a performer. A contactless magnetic interface has at least one signal magnet in the external selector assembly and an array of one or more Hall sensors within the device housing. I...