ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,805, issued on April 14, was assigned to Tektronix Inc. (Beaverton, Ore.).
"BPSK subcarrier demodulation using direct filters without down conversion" was invented by Sakchi Sinha (Bengaluru, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A test and measurement system includes a proximity coupling device to transmit a wireless carrier signal and a proximity integrated circuit card to load modulate the transmitted wireless carrier signal to generate a BPSK-modulated subcarrier signal on the transmitted wireless carrier. A test and measurement instrument acquires the wireless carrier signal and includes a BPSK subcarrier filtering demodulator t...