Analogue to digital audio converters; analogue to digital converters; analogue to digital data converters; apparatus for converting digital values into graphic information; apparatus for creating digital effects; apparatus for digital signal processing; apparatus for electronic digital processing; apparatus for processing digital data; apparatus for processing digital video signals; apparatus for recoding digitally stored pictures; apparatus for recoding digitally stored specifications; apparatus for recording digital information; apparatus for the processing of digital information; apparatus for use in digital communication transmission; computer programs stored in digital form; converters for digital signals; devices for converting image information to digital signals for computers; devices for producing digital prints; devices for producing digital reproductions; digital amplifiers; digital analysers; digital apparatus; digital audio disc players; digital audio players; digital audio signal processors; digital boards; digital control apparatus for power units; digital controllers; digital cross-connected switching apparatus; digital data receiving apparatus; digital data transmission apparatus; digital data transmitting apparatus; digital effects units; digital electronic controls for manipulators; digital electronic controls for tools; digital functional generators; digital graphic scanners; digital indicators; digital interactive video adaptors for use with computers; digital map making apparatus; digital measuring apparatus; digital measuring instruments; digital music (downloadable) from the Internet; digital music (downloadable) provided from MP3 web sites on the Internet; digital optical transmission apparatus; digital optical transmission instruments; digital panel meters; digital plotters; digital printing cameras; digital regulating apparatus; digital regulating instruments; digital signal processing apparatus; digital slave modules; digital sound processors; digital tablets; digital telecommunications apparatus; digital telecommunications instruments; digital televisions; digital to analogue converters; digital transmission apparatus on copper cable; digital transmission apparatus on optical fibre; digital video adaptors for displaying text with video pictures; digital video adaptors for use with computers; digital video apparatus for broadcasting; digital video apparatus for professional television use; digital video equipment for studio use; digital vision mixers; digitally stored images; digitally stored photographs; electric apparatus for the exchange of digital signals; electric apparatus for the transmission of digital signals; electrical digital control apparatus; electronic digital automation installations for measuring building services installations; electronic digital building automation systems; electronic digital controllers for controlling digital flow control valves; electronic digital switching apparatus; electronic instruments for receiving facsimile messages in a digital format; electronic instruments for transmitting facsimile messages in digital format; gauges with digital readout; integrated service digital network installations; integrated services digital network components; measuring devices having digital displays (other than for medical use); mechanical digital display apparatus; multimeters with a digital read out; personal digital assistants (PDAs); process control digital controllers; programmable digital read-out units; radio apparatus incorporating digital clocks; recording discs in digital form; recording materials for the storage of digital computer programs; self-synchronizing digital encryptors; set-top boxes (digital signal receivers); simulation software for use in digital computers; simulators incorporating digital computers for industrial training purposes; telecommunications apparatus for use with digital signals; telecommunications digital exchange apparatus; telescopic measures with a digital read out; televisions incorporating clocks with light emitting diode digital displays; time dividers for digital communication apparatus; voice apparatus for digital network apparatus