Accumulators and batteries; Acoustic amplifiers; Acoustic amplifiers for mobile devices; Active-matrix liquid-crystal displays; Boxes specially adapted for housing audio equipment; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Receivers for receiving cable television; Receivers for satellites; Remote controls for televisions; Self-acting focussing projectors; Wireless receivers and transmitters for portable media pla...