ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,071, issued on April 8, was assigned to SEIKO EPSON Corp. (Japan).
"Circuit device and oscillator" was invented by Teppei Higuchi (Chino, Japan), Sho Matsuzaki (Ina, Japan), Yuichi Toriumi (Minowa, Japan) and Toshiya Usuda (Ina, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit device includes: a first terminal and a second terminal coupled to a resonator; an amplifier circuit configured to amplify a signal from the first terminal and output the amplified signal to the second terminal; a variable resistance circuit that is provided on a signal path between the amplifier circuit and the second terminal and includes a variable resistor, a...