Apparatus for computer aided design; Apparatus for data communications between computers; Apparatus for inputting information into a computer; Apparatus for linking computers; Apparatus for linking computers into networks; Apparatus for use in communications between computers; Audiovisual display apparatus for use with computers; Business programmes for computers; Communication devices for linking computer networks; Communications electronics for computers; Communications processing computer software; Components for computers; Computer apparatus; Computer components; Computer control apparatus; Computer control devices; Computer controllers; Computer controls; Computer data input devices; Computer data interchange apparatus; Computer data recording instruments; Computer display apparatus; Computer display instruments; Computer display monitors; Computer graphics apparatus; Computer graphics instruments; Computer hardware; Computer image projection apparatus; Computer imaging systems; Computer input apparatus; Computer input devices; Computer input instruments; Computer installations; Computer interface apparatus; Computer interface devices; Computer interface instruments; Computer monitors; Computer network apparatus; Computer operated control apparatus; Computer outputting apparatus; Computer programs for use in communications; Computer programs for use in computer aided engineering; Computer programs for use in computer-aided design; Computer programs for use in telecommunications; Computer programs for video games; Computer programs recorded on carriers; Computer related voice communication apparatus; Computer screens; Computer software; Computer storage apparatus; Computers and electronic processing units); Control apparatus for computers; Data carriers bearing computer programmes; Data input apparatus for use with computers; Devices for converting image information to digital signals for computers; Devices for linking terminals on a computer apparatus; Devices for use in the networking of computers; Digital interactive video adaptors for use with computers; Digital video adaptors for use with computers; Electric apparatus for storing computer data; Electric devices for transmission of data between computers; Electrical communications apparatus for use with interconnecting computers; Electrical computer apparatus; Electronic computer apparatus; Electronic data apparatus for use with computers; Electronic devices for the transmission of data between computers; Input apparatus for computers; Input devices for computers; Monitors (computer hardware); Monitors (computer programs); Monitors for use with computers; Network applications being computer programs; Network controllers being computer apparatus; Network management computer software; Programs for computers; Scanners for entering data into computers; Security apparatus for computers; Security devices for computer hardware; Security devices for computer software; Simulation software for use in digital computers; Telecommunications apparatus for transferring data to computers; Telecommunications apparatus for transmitting data for use with computers; Transmitters for use with computers; Visual display apparatus for use with computers; Voice actuated computer apparatus; Voice actuated computer instruments; Apparatus for controlling cameras; Auto-focus photographic cameras; Automatic inspection apparatus utilising cameras; Camera apparatus; Camera control apparatus; Electronic cameras; Rapid scan cameras; Remotely controlled cameras and other remotely controlled sensors; Television cameras for surveillance; Video camera security apparatus; Video camera security installations; Video camera security instruments; Video cameras; Video surveillance cameras