G01R21/07 - CPC Classification Index

ClassID:

171528 ⎘

G01R21/07 - CPC Classification

Classification description:

Arrangements for measuring electric power or power factor by measuring current and voltage in circuits having distributed constants

Recent Application in this class:

20240345143

2024-10-17

MULTI-PORT METER

20230369987

2023-11-16

METHOD AND APPARATUS FOR SUPPRESSING GRID VOLTAGE IMBALANCE

20220260628

2022-08-18

Electronic monitoring circuit for detecting the variation in the power or current absorbed by at least one electronic circuit under test and electronic system for testing the operation of the at least one electronic circuit

20190302161

2019-10-03

Resonant phase sensing of resistive-inductive-capacitive sensors

20160334444

2016-11-17

Power detector

20150285845

2015-10-08

Parameter derivation method

20150200437

2015-07-16

System and method for a directional coupler with a combining circuit

20150198639

2015-07-16

Cable power loss determination for virtual metrology

20110273164

2011-11-10

Delivered power detection for power amplifiers and related systems and methods

#10

20090082980

2009-03-26

Virtual branch load management

#11

20070046281

2007-03-01

Power metering using current-indicative signal

#12

20060294032

2006-12-28

Fee calculation system for electrical energy consumption of motor drive and method for the same