ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,740, issued on Sept. 1, was assigned to BRITISH TELECOMMUNIATIONS PLC (London).

"Variable capacitor" was invented by Fraser Burton (London), Malcolm Hubert (London) and Aaron Walker (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable capacitor comprising: a first elongate member comprising a first electrically conductive portion positioned towards a first distal end of the first elongate member and a second electrically conductive portion positioned towards a second distal end of the first elongate member, wherein the first elongate member is configured to pivot on a first fulcrum positioned between the first and second electrically co...