US Patent Issued to SEIKO EPSON on May 13 for "Circuit device and real-time clock device" (Japanese Inventor)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,009, issued on May 13, was assigned to SEIKO EPSON Corp. (Japan).

"Circuit device and real-time clock device" was invented by Masayuki Kamiyama (Chino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit device includes a battery power supply terminal, an energy harvest power supply terminal, a storage power supply terminal, a power supply switch circuit, and a control circuit that controls the power supply switch circuit. In a first state, the power supply switch circuit outputs a storage power supply voltage to a supply node while charging the battery by supplying an energy harvest power supply voltage to the battery power supply termin...