BXB

Conference phones; video graphics controller; cable broadcast transmission machines and apparatus; power amplifiers; computer network switches; microphones; digital media streaming devices; signal processors for audio speakers; loudspeakers; power controllers; video cameras; conference systems comprising teleconferencing devices and apparatus, namely, conference system main control units, table top microphone units equipped with LCD, flush mounted microphone units, and embedded graphical control software; public address systems, comprising public address control units, public address system servers, public address system intercom modules, remote decoders, professional servers with embedded control software, speaker circuit zone selectors, audio source extend switchers, emergency broadcasting systems; images systems comprising apparatus for broadcasting, recording, transmission or reproduction of images, namely, images system cameras, images system camera controllers, images system image processors, conference image processors