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SIGNAL PHASE COMPARISON UNITS WHICH PRODUCE AN OUTPUT SIGNAL PROPORTIONAL TO THE PHASE DIFFERENCE BETWEEN THE RECEIVED AND A REFERENCE SIGNAL; DEMODULATORS; INERTIAL SWITCHES; POWER INVERTERS; POWER SUPPLIES; ANTENNA COMPONENTS-NAMELY, ARCHIMEDIAN SPIRAL ANTENNAS, CAVITY-BACKED SPIRAL ANTENNAS, LOG CONICAL SPIRAL ANTENNAS, SLOT ANTENNAS, HORN ANTENNAS, CAVITY-BACKED DIPOLE ANTENNAS, LUNEBERG LENS ANTENNAS, PHASED ARRAY ANTENNAS, MULTI-PORT BICONICAL ANTENNAS, LONG WIRE ANTENNAS-NAMELY, TRAVELING WAVE ARRAY ANTENNAS, LOG-PERIODIC ARRAY ANTENNAS, PHOMBOID ARRAYS, FEED AND PHASING NETWORKS FOR ARRAY ANTENNAS, AVIATION ANTENNAS AND COMPONENTS THEREFORE, AND RADOMES; CAPACITORS; INDUCTORS; CONNECTORS; PRINTED CIRCUIT COMPONENTS-NAMELY, BOARDS, SWITCHES, CABLES, HEATER UNITS, MULTILAYER AND FLEXIBLE UNITS; INFORMATION DISPLAY SYSTEMS WHEREBY ALPHANUMERICS AND SYMBOLS ARE PRESENTED ON A CRT DISPLAY SCREEN; SERVO-AMPLIFIERS; RESISTORS; TUBES; DIODES, TRANSISTORS; TUBE DEFLECTION COILS; TRANSFORMERS; LIGHT SENSING SYSTEMS FOR EDITING AND CONTROLLING ELECTRONIC DISPLAYS; ELECTRIC FORCE MOTORS; FLOW SWITCHES; SERVO ACTUATORS; AND MICROWAVE COMPONENTS-NAMELY, FREQUENCY SOURCES AND MULTIPLIER UNITS, MODULATOR UNITS, OSCILLATOR UNITS, SIGNAL SWITCH UNITS, SWITCH CONTROL CIRCUITS AND DRIVERS, SIGNAL DETECTOR UNITS, POWER DIVIDER UNITS, ATTENUATORS, FILTER UNITS, MIXER UNITS, PHASE SHIFTERS, HYBRID DEVICES, CIRCULATORS, ISOLATORS, ROTARY JOINTS, TRANSMISSION LINES, AND MICROWAVE MODULES