US Patent Issued to STMICROELECTRONICS (RESEARCH & DEVELOPMENT) on Aug. 5 for "Fluidic ejection device with optical blockage detector" (British Inventor)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,429, issued on Aug. 5, was assigned to STMICROELECTRONICS (RESEARCH & DEVELOPMENT) Ltd. (Marlow, Great Britain).

"Fluidic ejection device with optical blockage detector" was invented by Jeffrey M. Raynor (Edinburgh, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to a fluidic ejection device configured to detect whether one or more nozzles of the fluidic ejection device is in a normal state, a blocked nozzle state, or an accumulated fluid state. The fluidic ejection device includes an optical blockage detector having a light emitting device configured to emit a light signal, and a light sensor configure...