US Patent Issued to Rohm on Nov. 11 for "Light emitting element drive device and light emitting system" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,471,193, issued on Nov. 11, was assigned to Rohm Co. Ltd. (Kyoto, Japan).

"Light emitting element drive device and light emitting system" was invented by Daisuke Kambara (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light emitting element drive device includes: a first voltage holder configured to hold a first difference voltage, which is a difference between an error voltage when a light emitting element is in an off state and a first voltage that is a lowest voltage of a slope voltage; a second voltage holder configured to hold a second difference voltage, which is a difference between the error voltage when the light emitting element...