US Patent Issued to Harmonic on Sept. 30 for "Frequency selective RF directional coupler" (Canadian Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,605, issued on Sept. 30, was assigned to Harmonic Inc. (San Jose, Calif.).

"Frequency selective RF directional coupler" was invented by Adi Bonen (North York, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A directional coupler having coupling variability at separate portions of an operational frequency band. The coupler may be comprised within a Full Duplex (FDX) amplifier and itself may comprise input and output ports, a coupled port, a termination port, a first RF filter coupled to the coupled port, and a second RF filter coupled to the termination port. The first and second RF filters yield a first coupling value at one portion of the op...