MAGNETICS

FERROMAGNETIC CORES FOR USE IN ELECTRONIC CIRCUITRY, NAMELY, POWDERED METAL CORES, FERRITE CORES, TAPE WOUND CORES, BOBBIN CORES, LAMINATED CORES AND CUT CORES; FERROMAGNETIC LAMINATIONS AND SHIELDING; AND ELECTRICAL POWER CONVERSION AND CONTROL SYSTEMS AND EQUIPMENT, NAMELY, POWER REGULATORS, INVERTERS, CONVERTERS, FREQUENCY MODIFIERS, REGULATED POWER SUPPLIES, TRANSFORMERS, TRANSDUCTION SATURABLE REACTORS; MAGNETOMETERS AND MEASURING INSTRUMENTATION, NAMELY SHUNT AMPLIFIERS AND DC CURRENT TRANSFORMERS