ClassID:

171720

G01R31/2617 - 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 individual semiconductor devices; Circuits therefor for testing bipolar transistors for measuring switching properties thereof

Recent Application in this class:
#1
20260118404
2026-04-30

METHODS AND APPARATUS TO IDENTIFY A STATE CHANGE OF A SWITCH

#2
20240219449
2024-07-04

SEMICONDUCTOR DEVICE AND OVERCURRENT PROTECTION DEVICE

#3
20240142510
2024-05-02

Testing apparatus and testing method

#4
20240069090
2024-02-29

Switch short-circuited diagnosis method

#5
20230132796
2023-05-04

Non-invasive front-end for power electronic monitoring

#6
20220390502
2022-12-08

Device and method for testing semiconductor devices

#7
20220381815
2022-12-01

System and method for measuring intermittent operating life of GaN-based device

#8
20220291276
2022-09-15

Detection circuit for open, close and suspension states of high and low level effective switch in vehicle

#9
20220158633
2022-05-19

Method for checking a semiconductor switch for a fault

#10
20220099728
2022-03-31

Methods and systems for identifying a malfunctioning current sensor

#11
20220065917
2022-03-03

Testing apparatus, testing method, and manufacturing method

#12
20220043048
2022-02-10

Device and method for testing semiconductor devices

#13
20210181254
2021-06-17

Adaptive blanking of over current fault detection circuits in power conversion gate drivers

#14
20210131400
2021-05-06

Systems and methods for controlling wind converters

#15
20200355745
2020-11-12

System and method of monitoring a switching transistor

#16
20200241067
2020-07-30

Monitoring an operating condition of a transistor-based power converter

#17
20200204176
2020-06-25

Connection circuit and connection method thereof

#18
20190324076
2019-10-24

Method and a device for determining a switching current of a converter of a system for inductive power transfer and a method of control

#19
20190094276
2019-03-28

HIGH-RESOLUTION POWER ELECTRONICS MEASUREMENTS

#20
20180348293
2018-12-06

Method for determining the output voltage of a transistor

#21
20180205375
2018-07-19

CIRCUIT ARRANGEMENT FOR A SECURE DIGITAL SWITCHED OUTPUT, TEST METHOD FOR AND OUTPUT MODULE FOR THE SAME

#22
20180045771
2018-02-15

Apparatus and method for predicting fault state of inverter

#23
20170350934
2017-12-07

Method for estimating power system health

#24
20170254842
2017-09-07

High-resolution power electronics measurements

#25
20160109504
2016-04-21

Circuit and method for testing transistor(s)

#26
20160054376
2016-02-25

Wiring core structure, semiconductor evaluation device and semiconductor device

#27
20150301103
2015-10-22

Precision measurement of voltage drop across a semiconductor switching element

#28
20150032393
2015-01-29

Switching loss measurement and plot in test and measurement instrument

#29
20120187968
2012-07-26

Test apparatus with power cutoff section having variable maximum and minimum thresholds

#30
20100164533
2010-07-01

Method and apparatus for evaluating the effects of stress on an RF oscillator

#31
20070252581
2007-11-01

Method and apparatus for testing power switches using a logic gate tree

#32
20060261838
2006-11-23

Switch device

#33
20060031729
2006-02-09

Apparatus with self-test circuit

#34
18656494
2024-09-10

Non-invasive online monitoring circuit for on-state saturation voltage of power semiconductor