US Patent Issued to United States of America as represented by the Secretary of the Navy on Dec. 2 for "High efficiency non-pulse width modulation communications system and method" (California Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,469, issued on Dec. 2, was assigned to United States of America as represented by the Secretary of the Navy (Washington).

"High efficiency non-pulse width modulation communications system and method" was invented by Jack Yuen Dea (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "The system and method of the present invention provide power efficient, high fidelity non-PWM communications of audio signals for reception by a modulating AM receiver at various useful frequency bands, or loud speaker transmission using sound waves."

The patent was filed on April 18, 2023, under Application No. 18/302,324.

*For further information, including images...