G01R31/24 - CPC Classification Index

ClassID:

171705 ⎘

G01R31/24 - CPC Classification

Classification description:

Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere Testing of discharge tubes

Sub-classes:

G01R31/245 » {Testing of gas discharge tubes} 16
G01R31/25 » Testing of vacuum tubes 5

Recent Application in this class:

20230050640

2023-02-16

Wide-bandgap semiconductor layer characterization

20180217184

2018-08-02

Gimbal assembly test system and method

20170219626

2017-08-03

Gimbal assembly test system and method

20160252551

2016-09-01

Problem detection for cable-fed-loads

20160084878

2016-03-24

Triaxial DC-AC connection system

20150355290

2015-12-10

System and method for fault management in lighting systems

20150268306

2015-09-24

Calculation apparatus and method for calculating relationship between charge amount and potential

20140300371

2014-10-09

Device and method to prevent inter-system interference

20140159741

2014-06-12

Method for producing an arc detection signal and arc detection arrangement

#10

20130076336

2013-03-28

Device and method for detecting crowbar circuit in wind turbine

#11

20130033182

2013-02-07

End-of-life detector for gas discharge lamp and the ballast incorporating the same

#12

20120007602

2012-01-12

Lighting tester

#13

20080150573

2008-06-26

Testing inverter driven electric motor shut-off path

#14

20080030143

2008-02-07

Discharge lamp lighting device, and lighting equipment and lighting system using the device