US Patent Issued to The United States of America, as represented by the Secretary of the Navy on July 1 for "Voice coil and speaker without coil former" (Virginia Inventor)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,946, issued on July 1, was assigned to The United States of America, as represented by the Secretary of the Navy (Washington).

"Voice coil and speaker without coil former" was invented by John Miesner (Fairfax, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example embodiments provide a voice coil apparatus that may comprise corner posts, a voice coil wound directly on to the corner posts, the coil forming straight sides between the corner posts due to winding tension, and a center flux return having straight sides and having a continuous plated layer of electrically conductive material, the center flux return being made of a ferromagnetic materi...