Readers (data processing equipment); Computers; Computers memories; Peripheral devices (Computer -); Interfaces (for computers); Couplers (data processing equipment); Data processing apparatus; Mouse (data processing equipment); Batteries, electric; Battery chargers; Solar batteries; Answering machines; Navigational instruments; Modems; Portable telephones; Games (apparatus for -) adapted for use with television receivers only; Amusement apparatus adapted for use with television receivers only; Semi-conductors; Loudspeakers; Horns for loudspeakers; Microphones; Video recorders; Radios; Headphones; Cabinets for loudspeakers; Transformers (electricity); Sockets, plugs and other connects (electric connections); Light dimmers (regulators)(electric); Cameras (photography); semiconductor apparatus; Door bell, electric