US Patent Issued to NTT on Sept. 1 for "Sound system" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,761, issued on Sept. 1, was assigned to NTT Inc. (Tokyo).

"Sound system" was invented by Masahiro Fukui (Tokyo), Kazunori Kobayashi (Tokyo), Noriyoshi Kamado (Tokyo) and Ryotaro Sato (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an acoustic system for a user who uses a seat of an aircraft, an automobile, or the like, which reproduces a sound that cannot be heard by surrounding users without using earphones or headphones. An acoustic system including a speaker system that includes at least one speaker unit pair including a positive speaker unit that emits a sound based on an acoustic signal of a predetermined sound source and a ne...