73089895
Jun 10, 1976
Jul 10, 1979
ELECTRICAL AND ELECTRONIC COMPONENTS AND APPARATUS-NAMELY, [ OSCILLATORS, AMPLIFIERS AND PREAMPLIFIERS; DETECTORS, INCLUDING OF THE HETERODYNE AND NULL TYPES; VARIABLE AUTOTRANSFORMERS, VOLTAGE REGULATORS, FILTERS; COAXIAL TRANSMISSION LINES AND PARTS THEREOF; COUNTER MARKER GENERATORS; REFERENCE STORAGE UNITS; IMMITTANCE AND OTHER PROBES; TRANSISTOR AND OTHER COMPONENT MOUNTS AND ACCESSORIES; ATTENUATORS; REGULATED AND MODULATED POWER SUPPLIES; CAPACITANCE, INDUCTANCE AND RESISTANCE ELEMENTS AND IMPEDANCE STANDARDS; DECADE CAPACITOR, RESISTOR, INDUCTANCE, ATTENUATOR AND VOLTAGE-DIVIDER UNITS; COAXIAL CAPACITANCE STANDARDS; TRANSMISSION LINE CONNECTORS, ADAPTERS AND COUPLERS AND TUNERS THEREFOR, PATCH CORDS, COUPLERS, MIXERS; BINDING POSTS; PLUGS; AND FOR ELECTRONIC TEST AND MEASURING EQUIPMENT AND COMPUTERCONTROLLED ELECTRONIC TEST EQUIPMENT-NAMELY, FREQUENCY GENERATORS AND SYNTHESIZERS, NETWORK ANALYZERS, PRECISION BRIDGES, IMMITANCE METERS, STANDING WAVE METERS, DIGITAL IMPEDANCE METERS, LINEAR CIRCUIT TESTERS, STROBOSCOPES, SYNTHESIZER NETWORK ANALYZERS, SAMPLING AND GRAPHIC RECORDERS, DIGITAL CAPACITANCE METERS, IMPEDANCE AND ANALOG COMPARATORS, AUTOMATIC RLC BRIDGES, SOUND LEVEL METERS, VIBRATION ANALYZING AND RECORDING INSTRUMENTS, ] LOGIC CIRCUIT TESTERS, INCLUDING COMPUTER AIDED PROGRAMMING AND ELECTRONIC CIRCUIT FAULT DIAGNOSTIC SOFTWARE FOR LOCATING CIRCUIT FAULTS, DIGITAL AND ANALOG SYSTEMS FOR COMPONENT AND LOGIC TESTING, COMPUTER CONTROLLED PRODUCTION TESTING AND TROUBLE SHOOTING SYSTEMS FOR TESTING AND ANALYZING CIRCUIT BOARDS AND NETWORKS
Electrical and Scientific Apparatus