ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,596, issued on April 15, was assigned to SEIKO EPSON Corp. (Japan).
"Circuit unit and vibrator device" was invented by Hisahiro Ito (Minowa, Japan), Saneyuki Imamura (Minowa, Japan) and Akio Tsutsumi (Chino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit unit includes a first terminal functioning as a power supply terminal or a voltage input terminal, to which a first voltage is applied, a second terminal to which a second voltage is applied, an oscillation circuit oscillating a vibrator, a first switch electrically coupling or decoupling the first terminal and the oscillation circuit, a second switch electrically coupling or decoupli...