Antenna filters; Antenna parameter measuring apparatus; Antennas; Antennas for radio, for television; Antennas for wireless communications apparatus; Radar antennas; Car antennas; Dish antennas; Duplexers; Electronic alert system for scuba divers comprised primarily of computer software, electric transducer, vibrating motor, antenna and lights for the purpose of requesting the dive partner's attention through vibration, sound and illumination; Electronic combiners for connecting antennas and receivers; Microwave antennas; Parabolic antennas; Radio-frequency antennas; Receiving antennas for satellite broadcast; Television antennas; Vehicle locating, tracking and security system comprised of an antenna and radio transmitter to be placed in a vehicle
Electrical and Scientific Apparatus