73801131
May 19, 1989
Feb 19, 1991
ELECTRONIC COMPONENTS AND CIRCUITS IN THE DATA CONVERSION FIELD - NAMELY, DIGITAL TO ANALOG CONVERTERS, ANALOG TO DIGITAL CONVERTERS, SYNCHRO TO DIGITAL CONVERTERS, HYBRID SYNCHRO CONVERTERS, RESOLVER TO DIGITAL CONVERTERS, DIGITAL TO RESOLVER CONVERTERS, DIGITAL TO SYNCHRO CONVERTERS, TRANSFORMER TO DIGITAL CONVERTERS, HYBRID THICK FILM DATA CONVERTERS; SIGNAL CONDITIONERS; HIGH PERFORMANCE AMPLIFIERS COMPRISING HYBRID FIELD EFFECT TRANSISTOR (FET) AMPLIFIERS, OPERATIONAL AMPLIFIERS, SAMPLE AND HOLD AMPLIFIERS, TRACK AND HOLD AMPLIFIERS, WIDE BAND AMPLIFIERS, FAST SETTING AMPLIFIERS, BUFFER AMPLIFIERS, DATA AMPLIFIERS, COAXIAL LINE DRIVERS, COMPARATOR RELAYS, BINARY LADDER NETWORKS, SAMPLE AND HOLD CIRCUITS, CIRCUIT OVERVOLTAGE DETECTORS, MULTIPLEXERS, SOLID-STATE CONTROL TRANSFORMERS, SOLID-STATE CONTROL DIFFERENTIAL TRANSMITTERS, ANGLE INDICATORS, POWER SUPPLIES, SOCKETS AND CONNECTORS, TRACK AND HOLD CIRCUITS, WINDOW DETECTOR CIRCUITS, PROGRAMMABLE LINE DRIVERS, DATA BUS ADAPTORS, VIDEO TIME TRANSFER APPARATUS FOR DERIVING ABSOLUTE TIME; DATA REPEATERS; DATA RECORDERS; VIDEO DISPLAYS; MULTIPLEXERS; ELECTRONIC DEPTH INDICATORS, SHAFT ENCODER ANGLE INDICATORS, SYNCHRO/RESOLVER ANGLE INDICATORS, SYNCHRO/RESOLVER ANGLE SIMULATORS, SHAFT ANGLE ENCODERS
Electrical and Scientific ApparatusFABRICATION AND INSTALLATION OF SYSTEMS EMPLOYING SOLID-STATE ELECTRONIC CIRCUITRY FOR USE IN BOTH MILITARY AND NON-MILITARY APPLICATIONS
Building Construction and RepairDESIGN TO THE SPECIFICATION OF OTHERS OF SYSTEMS EMPLOYING SOLID-STATE ELECTRONIC CIRCUITRY FOR USE IN BOTH MILITARY AND NON-MILITARY APPLICATIONS
Computer and Scientific