US Patent Issued to Sizewise Rentals on May 19 for "Diaphragm pump control for airbed applications" (Wisconsin, North Carolina Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,850, issued on May 19, was assigned to Sizewise Rentals LLC (Eden Prairie, Minn.).

"Diaphragm pump control for airbed applications" was invented by David Delroy Driscoll Jr. (Milwaukee), James A. Rodrain (Milwaukee) and David Brian Scott (New London, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air pump unit having an AC diaphragm air pump and a DC Motor driver circuit. The AC diaphragm air pump has a winding with a first AC power connection at a first end of the winding and a second AC power connection at a second end of the winding. The DC motor driver circuit is configured to provide an OUT1 signal to the first AC power connection and an...