US Patent Issued to Canon on Aug. 11 for "Electrochromic device, lens unit, imaging device, window member, and method of driving electrochromic element" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,758, issued on Aug. 11, was assigned to Canon K.K. (Tokyo).

"Electrochromic device, lens unit, imaging device, window member, and method of driving electrochromic element" was invented by Wataru Kubo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure repeatedly supplies, when controlling gradation of transmittance, a first voltage for advancing an electrochemical reaction for decreasing transmittance of an electrochromic layer and a second voltage for advancing an electrochemical reaction for increasing the transmittance of the electrochromic layer, in a time domain in which the electrochemical reaction of the electrochromi...