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CPC Subgroup
G01R 21/10

by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance (G01R21/02 takes precedence)

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Arrangements for measuring electric power or power factor (G01R7/12 takes precedence) > by using square-law characteristics of circuit elements, e.g. diodes, to measure power absorbed by loads of known impedance (G01R21/02 takes precedence)

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  • G01R 21/12 in circuits having distributed constants