ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,230,892, issued on Feb. 18, was assigned to PANELSEMI Corp. (New Taipei, Taiwan).

"Electronic device" was invented by Hsien-Te Chen (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device includes a substrate, plural varactors, a memory element, a driving unit and plural antenna elements. Each varactor is defined with a capacitor-voltage characteristic curve. The memory element is defined with one or more lookup tables for recording the capacitance values and varactor voltage values of the capacitor-voltage characteristic curve. The driving unit outputs plural voltage signals respectively to the varactors, and each voltage si...