ClassID:

171524

G01R21/01 - CPC Classification

Classification description:

Arrangements for measuring electric power or power factor in circuits having distributed constants

Recent Application in this class:
#1
20260142633
2026-05-21

LOW-POWER INTEGRATED RADIO FREQUENCY POWER DETECTOR

#2
20250293000
2025-09-18

METHOD AND APPARATUS FOR EMULATING A REACTIVE SOURCE IMPEDANCE OF A GENERATOR

#3
20250290959
2025-09-18

Radio-frequency Power Detector with Transimpedance Amplifier and Input Offset Mitigation

#4
20250271473
2025-08-28

SELF-MONITORING HIGH ACCURACY RADIO FREQUENCY POWER SENSOR

#5
20240410922
2024-12-12

Radio-frequency Power Detector with Transimpedance Amplifier and Input Offset Mitigation

#6
20230145515
2023-05-11

System and method for power transmission line monitoring

#7
20220368361
2022-11-17

Instant RF overvoltage protection element

#8
20220132632
2022-04-28

RF PRECISION HEATING APPARATUSES AND METHODS

#9
20220084790
2022-03-17

Method and apparatus for emulating a reactive source impedance of a generator

#10
20220011352
2022-01-13

Differential RF power detector with common mode rejection

#11
20210239745
2021-08-05

Signal generating device and measurement device

#12
20210215751
2021-07-15

System and method for power transmission line monitoring

#13
20210003613
2021-01-07

RF power detector with a variable threshold

#14
20200187318
2020-06-11

Automatic trimming for a dimmer switch

#15
20200158757
2020-05-21

Probe apparatus

#16
20190391609
2019-12-26

Power system stabilization device and power system stabilization method

#17
20190235011
2019-08-01

System and method for power transmission line monitoring

#18
20180316444
2018-11-01

CHANNEL-SELECTIVE RF POWER SENSOR

#19
20180217185
2018-08-02

Inductive current sensor on printed circuit board

#20
20180143228
2018-05-24

Apparatus and method to measure AC power

#21
20180106840
2018-04-19

Wide-range precision RF peak detector

#22
20160238637
2016-08-18

Mm-wave frequency peak detector

#23
20150331022
2015-11-19

METHOD FOR QUICKLY TESTING A TOTAL RADIATED POWER OF AN ANTENNA OF A TERMINAL

#24
20150323574
2015-11-12

Computer systems and computer-implemented methods for warning users of overload conditions in power distribution systems

#25
20150054454
2015-02-26

Apparatus and method for lost power detection

#26
20150054453
2015-02-26

Apparatus and method for non-compliant object detection

#27
20150054352
2015-02-26

Systems, apparatus, and methods for quantifying power losses due to induction heating in wireless power receivers

#28
20150017922
2015-01-15

Temperature compensated RF peak detector

#29
20140152294
2014-06-05

Transmitter power monitor

#30
20140117083
2014-05-01

Method and apparatus for identifying an electric load via RFID tag associated with a power plug

#31
20130207710
2013-08-15

Enhanced flexibility coupler for RF power detection and control

#32
20130154665
2013-06-20

Power detection circuit

#33
20130082688
2013-04-04

Low-power RF peak detector

#34
20130049841
2013-02-28

True RMS power measurement

#35
20120299623
2012-11-29

Radio frequency (RF) power detector suitable for use in automatic gain control (AGC)

#36
20120278025
2012-11-01

RF power meter using bruene-type coupler

#37
20120014423
2012-01-19

Peak detector having extended dynamic range

#38
20120013405
2012-01-19

RF detector with crest factor measurement

#39
20110285458
2011-11-24

RMS detector with automatic gain control

#40
20110238360
2011-09-29

Method for evaluating reliability of electrical power measuring device

#41
20110238342
2011-09-29

Method for calculating energy efficiency of information technology equipment

#42
20110169502
2011-07-14

Power calibration system

#43
20110161021
2011-06-30

Dynamic load estimation of multiple branch circuits

#44
20110128034
2011-06-02

Self-balancing frequency determining bridge

#45
20110121896
2011-05-26

Logarithmic mean-square power detector with servo control loop

#46
20110119001
2011-05-19

Transmitter power monitor

#47
20110102047
2011-05-05

Radio frequency (RF) power detector suitable for use in automatic gain control (AGC)

#48
20100321086
2010-12-23

Power and impedance measurement circuits for a wireless communication device

#49
20100289477
2010-11-18

Measuring device and measuring method for measuring the envelope power and the mean-power value

#50
20100277839
2010-11-04

OVERPOWER PROTECTION CIRCUIT

#51
20100201370
2010-08-12

Arc detection

#52
20100169032
2010-07-01

Wireless sensor network systems, method for placing a plurality of sensor nodes in wireless sensor network system, and methods for computing sensing energy consumption per area of a plurality of sensor nodes

#53
20100127755
2010-05-27

Power measurement circuit

#54
20100127754
2010-05-27

POWER MEASUREMENT CIRCUIT

#55
20100097143
2010-04-22

RF detector with crest factor measurement

#56
20100013459
2010-01-21

Circuits and methods for high-efficiency on-chip power detection

#57
20100007331
2010-01-14

Self-balancing frequency determining bridge

#58
20090322313
2009-12-31

Power measurement apparatus

#59
20090322312
2009-12-31

Passive mixer power detector method and apparatus

#60
20090284300
2009-11-19

RMS detector with automatic gain control

#61
20090281741
2009-11-12

System, method, and apparatus for monitoring power

#62
20090276171
2009-11-05

Data processing apparatus and method

#63
20090259417
2009-10-15

Method to calculate energy efficiency of information technology equipment

#64
20090207537
2009-08-20

Application of wideband sampling for arc detection with a probabilistic model for quantitatively measuring arc events

#65
20090189593
2009-07-30

Measuring device and measuring method for measuring the power of a high-frequency signal

#66
20090167290
2009-07-02

System, method, and apparatus for monitoring characteristics of RF power

#67
20090076790
2009-03-19

System and method for data processing and transferring in a multi computer environment for energy reporting and forecasting

#68
20090051461
2009-02-26

OUTPUT POWER DETECTING SYSTEM WITH A DIRECTIONAL COUPLER

#69
20080309321
2008-12-18

Distributed RF/microwave power detector

#70
20080297256
2008-12-04

RF detector with crest factor measurement

#71
20080265911
2008-10-30

Power Sensing Module with Built-In Mismatch and Correction

#72
20080224690
2008-09-18

Embedded Directional Power Sensing

#73
20080018325
2008-01-24

APPARATUS AND METHOD FOR MEASURING AN OUTPUT POWER OF A POWER SUPPLY

#74
20070296397
2007-12-27

Directional coupler for a accurate power detection

#75
20070286267
2007-12-13

RF power sensor

#76
20070249310
2007-10-25

Radio frequency power detector

#77
20070066250
2007-03-22

Electronic parts for high frequency power amplifier and wireless communication device

#78
20070052440
2007-03-08

Directional power detection by quadrature sampling

#79
20070035325
2007-02-15

Directional power detection by quadrature sampling

#80
20060145310
2006-07-06

Device for detecting RF power and fabrication method thereof

#81
20060017538
2006-01-26

Distributed active transformer power control techiques

#82
20050116701
2005-06-02

Power detector with constant voltage decoupling

#83
20050042995
2005-02-24

High frequency signal power detector

#84
16171362
2019-06-04

Method and a tester for testing and verifying the conductivity of optical cable segments linked within a cascaded infrastructure of smart residences

#85
15335093
2018-09-11

High-speed, low drift, precision peak detection circuit and systems