US Patent Issued to NEC on March 11 for "Detection of attachment problem of apparatus being worn by user" (Japanese Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,248,547, issued on March 11, was assigned to NEC Corp. (Tokyo).

"Detection of attachment problem of apparatus being worn by user" was invented by Takayuki Arakawa (Tokyo) and Takafumi Koshinaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is to prevent a false determination due to an attachment condition of an apparatus that transmits and receives an acoustic signal, and perform accurate personal authentication. A personal authentication device includes: a personal authentication means that authenticates an individual by using first information at least including an acoustic characteristic calculated from an acoustic signal propagatin...