ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,837, issued on March 3, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Amplifier circuit" was invented by Daisuke Watanabe (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An amplifier circuit includes an amplifier including a common drain or a common collector having variable transconductance, a power distributor connected to an output side of the amplifier, and a switch arranged in series on a bypass path, which branches from a path with which the amplifier is connected to the power distributor, bypasses the power distributor, and is joined to an output of the power distributor. Input impedance (Zin) of the power distri...