DUKANE

[ audio signal dynamic range compressor/limiters; ] amplified monitor panels; graphic equalizers; mixers/preamplifiers; speech privacy systems, comprised of amplifiers, speakers, masking sound generator and filter set; digital message repeaters; microprocessor controlled video routing switches; infrared source controls; handheld infrared remote control units; radio tuners; CD players; electrically operated timers; annunciators; power supplies; overhead projectors; LCD data/video projectors; LCD data projection panels; computer hardware and software for operating public address systems in institutional settings such as hospitals, nursing homes, schools and the like; computer hardware and software for controlling ultrasonic welding systems