ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,170, issued on Feb. 24, was assigned to NEC Corp. (Tokyo).
"Biometric authentication device, biometric authentication method, and recording medium" was invented by Koji Okabe (Tokyo), Takayuki Arakawa (Tokyo) and Takafumi Koshinaka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A biometric authentication device is provided with: a replay unit for reproducing a sound; an ear authentication unit for acquiring a reverberation sound of the sound in an ear of a user to be authenticated, extracting an ear acoustic feature from the reverberation sound, and calculating an ear authentication score by comparing the extracted ear acoustic feature with a...