ALEXANDRIA, Va., June 18 -- United States Patent no. 12,327,982, issued on June 10, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).
"Laser diode drive circuit" was invented by Shota Ando (Nagaokakyo, Japan) and Naomi Takimoto (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laser diode drive circuit is provided that includes a plurality of laser diodes having cathode sides connected in common, a capacitor that supplies a current to the laser diodes, and a switching element. The laser diode drive circuit further includes a driving power supply that supplies a current to the capacitor, a diode that restricts a flow of the current in a direction of charging of the capacitor...