9 APPARATUS FOR ALIGNMENT AND TRACKING OF SATELLITE TRANSMITTING EQUIPMENT AND SATELLITE RECEIVERS, IN PARTICULAR ON MOBILE PLATFORMS; APPARATUS FOR RECORDING, TRANSMITTING OR REPRODUCING SOUND OR IMAGES, IN PARTICULAR TV SETS, FACSIMILE MACHINES, TELEPHONES, MODEMS, DATA PROCESSING EQUIPMENT, ANTENNAS, SATELLITE ANTENNAS, SATELLITE RECEIVERS, SATELLITE FINDER; COMPUTER MONITORS