Audio- and video-receivers; Baby monitors; Cabinets for loudspeakers; Camcorders; Cameras; Data processing apparatus; Data processing equipment, namely, couplers; Electronic monitors and monitor modules for monitoring electric current and electrical signals; Locks, electric; Recording and playing devices for sound and image carriers; Remote control telemetering machines and apparatus; Sound recording apparatus; Sound transmitting apparatus; Stands for photographic apparatus; Tape recorders; T...