ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,443, issued on Aug. 11, was assigned to RICOH COMPANY LTD. (Tokyo).
"Optical device" was invented by Soh Okumura (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes a first reflector; a second reflector; an elastic support unit supporting the second reflector; a piezoelectric element on the elastic support unit; a light emitter configured to emit light having an oscillation wavelength; and circuitry configured to output a signal to apply drive voltage to the piezoelectric element to elastically deform the elastic support unit. The deformation of the elastic support unit changes a distance between the first refl...