G01R25/08 - CPC Classification Index

ClassID:

171586 ⎘

G01R25/08 - CPC Classification

Classification description:

Arrangements for measuring phase angle between a voltage and a current or between voltages or currents by counting of standard pulses

Recent Application in this class:

20220283209

2022-09-08

SIGNAL ANALYSIS METHOD, AND APPARATUS FOR THREE-PHASE SYSTEM, AND PROGRAM

20220121266

2022-04-21

Counter unit

20190086270

2019-03-21

Phase measurement device and instrument in which phase measurement device is applied

20190033355

2019-01-31

Phase measurement

20170254841

2017-09-07

PHASE ANGLE DETERMINATION OF AC SIGNALS

20170179938

2017-06-22

Phase detection circuit

20130249615

2013-09-26

Digital sensing apparatus and digital readout module thereof

20130120009

2013-05-16

Apparatus and method for determining variation in a predetermined physical property of a circuit

20130066576

2013-03-14

System and method for measuring phase attributes of electrical grid system and equipment using a smart probe

#10

20120280716

2012-11-08

Fractional-rate phase frequency detector

#11

20120092052

2012-04-19

Time-to-digital converter

#12

20120013377

2012-01-19

Digital phase locked loop

#13

20100304695

2010-12-02

Transmitter phase shift determination and compensation

#14

20090267666

2009-10-29

Phase difference detector and phase difference detection method

#15

20060202672

2006-09-14

Time aligned bussed triggering using synchronized time-stamps and programmable delays

#16

20060069522

2006-03-30

Method and apparatus for phase determination

#17

20060061393

2006-03-23

Method and device for digitally measuring the phase of a signal

#18

15249840

2018-03-27

Phase identification on a grounded electrical power system