ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,253, issued on July 28, was assigned to SONY GROUP Corp. (Tokyo).

"Wireless communication device, wireless communication terminal, and wireless communication method for transmitting/receiving a preamble in accordance with a first or second bandwidth narrowing mode" was invented by Yusuke Tanaka (Tokyo), Hiromasa Uchiyama (Tokyo), Shigeru Sugaya (Tokyo) and Ken Tanaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless communication device and corresponding method that causes a signal, in which at least a first portion of a preamble and a payload are narrowed in band, to be transmitted."

The patent was filed on Jan. 27, 2022, under Appl...