78432573
Jun 9, 2004
Dec 5, 2006
Broadcast audio and digital switchers, namely, change-over switches for radio broadcast apparatus; stereo distribution amplifiers; audio, digital and video loss-of-signal detectors; telecommunications, serial and web-based remote control, namely, apparatus to remotely control and interface with radio station functions via touch-tone telephone commands, computer serial commands via a personal computer (PC) connection, or via an Internet connection; and dual tone multi-frequency (DTMF) encoders and decoders
Electrical and Scientific Apparatus