US Patent Issued to MURATA MANUFACTURING on April 21 for "Radio-frequency circuit and communication device" (Japanese Inventor)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,662, issued on April 21, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Radio-frequency circuit and communication device" was invented by Kunitoshi Hanaoka (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radio-frequency circuit is provided that includes a power amplifier, a control circuit, an on-off switch, a connection terminal, and a mount board. The power amplifier supports an APT system and an ET system. The control circuit controls the power amplifier by using the APT system and the ET system. The on-off switch is connected in series to a capacitive element connected between a path and the ground. The ...