[ Aerials;] optical, infrared [ and ultrasonic ] inspection apparatus for industrial use; [ binoculars; telescopes; radar detectors; radar guns for police work; radar guns for sporting events; radar receivers with amplifiers; scanners for automatic surface control; ] laser measuring systems consisting primarily of a laser and a detector; electronic semiconductor devices; integrated circuits; [ range finders; ] sensors for determination of positions and distances; telemeters for vehicles, [ we...