Computing apparatus; Computing apparatus for handling information; Computing instruments; Instructional apparatus for computing; Interface apparatus for computing apparatus; Accelerometers integrated with global positioning apparatus; Acoustic apparatus for recording sound; Acoustic pulse-echo ranging apparatus for industrial use; Acoustic sensing apparatus; Acoustic warning apparatus; Aerial measuring apparatus; Aeronautical communications apparatus; Aiming apparatus (electronic guidance); Air traffic control apparatus; Aircraft landing guidance apparatus; Alarm management apparatus; Alarm signalling apparatus; Alarm systems incorporating control and visual display apparatus; Alignment equipment for electronic audio apparatus; Apparatus for broadcasting audio signals; Apparatus for broadcasting visual signals; Apparatus for carrying images; Apparatus for carrying sound; Apparatus for collecting by radio frequency; Apparatus for computer aided manufacture; Apparatus for conducting scientific experiments in space vehicles; Apparatus for data communications between computers; Apparatus for data storage; Apparatus for displaying the path followed by a vehicle; Apparatus for displaying the position of vehicles; Apparatus for guarding data communication systems against unauthorised access; Apparatus for controlling cameras; Apparatus for information transmission; Apparatus for interconnecting data processing equipment; Apparatus for processing data; Apparatus for processing data programmes; Apparatus for remote data transmission; Apparatus for searching electronic information; Apparatus for the automatic control of vehicles; Apparatus for the control of unmanned flying objects; Apparatus for the conversion of data; Apparatus for the conversion of information; Apparatus for use in communications between computers; Computer apparatus; Computer apparatus for computer aided manufacturing; Computer apparatus for process control; Computer apparatus for the control of data; Computer apparatus for use with computer networks; Development apparatus for data processing apparatus; Diagnostic apparatus for use in vehicle repair; Digital optical transmission apparatus; Digital signal processing apparatus; Industrial balancing (measuring) apparatus for rotating objects; Information processing apparatus; Information storage apparatus (electric or electronic); Information storage devices for use in data processing apparatus; Vehicle guide apparatus