Digital media receivers; Electronic and optical communications instruments and components, namely, optical receivers; Electronic transmitters and receivers for media players; Radio receivers; Radio receivers and transmitters; Receivers for receiving cable television; Remotely-controlled sub-aquatic video camera containing a TV camera, transmitter, receiver and microphone to record, detect, measure, survey and locate objects underwater; Transmitters and receivers for audio and video signals for transmission over twisted pair cables; Wireless receivers and transmitters for portable media players
Electrical and Scientific Apparatus