ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,927, issued on July 1, was assigned to Waves Audio Ltd. (Tel Aviv, Israel).

"Control of an electrostatic acoustic device" was invented by Gabriel Zeltzer (Lapid, Israel) and Meir Shaashua (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "Controlling operation of an electrostatic acoustic device including a membrane and an electrode disposed proximate to the membrane. A probe signal varying at radio frequency is injected into the electrode. A current or charge signal is detected by converting the current or charge signal to a modulated voltage signal. The current or charge signal includes an audio signal varying at audio frequencies mod...