ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,399, issued on Nov. 4, was assigned to OLYMPUS Corp. (Tokyo).
"Light-emitting device and driving device" was invented by Takumi Soga (Sagamihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a light-emitting device according to a first aspect of the present invention, a condenser is configured to smooth an output voltage of a switching power source. A voltage source of the light-emitting device is configured to adjust a voltage of the condenser. A processor of the light-emitting device is configured to turn on a light-emitting element of the light-emitting device. The processor is configured to measure the output voltage in a turning-on pe...