Wireless Headphone ATH-DSR9BT received CES Innovation Honoree Awards by using Trigence Dnote Technology. Audio equipment supplier Since the late 1990s, Audio-Technica supplied microphones and headphones for US television shows such as the Big Brother, Deal or No Deal, the Rock and Roll Hall of Fame inductions and several international events: Technology One of their most famous products was a battery-operated, portable record player called Mister Disc that was sold in the U.S. in the early 1980s. In 2005, Audio-Technica developed "Uniguard", a method for making microphones resistant to radio frequency interference from cell phones, Bluetooth devices, wireless computer networks and walkie-talkies. 13 patents were involved in bringing the feature to fruition, as company engineers modified many different elements of microphone construction and operation. Over 50 existing Audio-Technica microphone models have been upgraded with the new RFI-resistant technology. See also Sound Burger List of microphone manufacturers List of phonograph manufacturers References External links Audio equipment manufacturers of Japan Headphones manufacturers Microphone manufacturers Phonograph manufacturers Japanese brands Electronics companies established in 1962 Japanese companies established in 1962 Manufacturing companies based in Tokyo