US Patent Issued to NTT on Aug. 18 for "Acoustic signal output device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,713,168, issued on Aug. 18, was assigned to NTT Inc. (Tokyo).

"Acoustic signal output device" was invented by Hironobu Chiba (Tokyo), Tatsuya Kako (Tokyo) and Kazunori Kobayashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an open-ear acoustic signal output device worn on both ears, including a first signal output unit that outputs a first output signal for outputting a first monophonic acoustic signal from a first acoustic signal output unit worn on one ear, and a second signal output unit that outputs a second output signal for outputting a second monophonic acoustic signal from a second acoustic signal output unit worn on another...