ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,879, issued on June 17, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Amplification device for amplifying a signal in electro-optical transceivers" was invented by Antonio Musio (Segrate, Italy) and Luca Piazzon (Segrate, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "An amplification device configured for amplifying a signal with a DC signal component is provided, which comprises a coupling filter circuit having an input terminal and an output terminal. The coupling filter circuit attenuates the DC signal component of an input signal to obtain a filtered output signal. The coupling filter circuit comprises a first capacitor...