Arrangements for measuring or indicating electric quantities not covered by groups

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES

Child Classifications

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• G01R 29/02 Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
• G01R 29/04 Measuring form factor, i.e. quotient of root-mean-square value and arithmetic mean of instantaneous value; Measuring peak factor, i.e. quotient of maximum value and root-mean-square value
• G01R 29/06 Measuring depth of modulation
• G01R 29/08 Measuring electromagnetic field characteristics
• G01R 29/12 Measuring electrostatic fields
• G01R 29/16 Measuring asymmetry of polyphase networks
• G01R 29/18 Indicating phase sequence; Indicating synchronism
• G01R 29/2 Measuring number of turns; Measuring transformation ratio or coupling factor of windings
• G01R 29/22 Measuring piezoelectric properties
• G01R 29/24 Arrangements for measuring quantities of charge
• G01R 29/26 Measuring noise figure; Measuring signal-to-noise ratio