ClassID:

171833

G01R31/31711 - 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 electronic circuits, e.g. by signal tracer; Testing of digital circuits; Analysis of signal quality Evaluation methods, e.g. shmoo plots

Recent Application in this class:
#1
20250076379
2025-03-06

EYE-DIAGRAM INDEX ANALYTIC METHOD, COMPUTER READABLE RECORDING MEDIUM, AND ELECTRONIC APPARATUS

#2
20240305301
2024-09-12

CIRCUIT, CHIP AND SEMICONDUCTOR DEVICE

#3
20230288476
2023-09-14

METHOD AND APPARATUS OF ANALYZING DATA, AND STORAGE MEDIUM

#4
20230118223
2023-04-20

Circuit, chip and semiconductor device

#5
20220229108
2022-07-21

Identifying data valid windows

#6
20220182158
2022-06-09

Margin Test Methods and Circuits

#7
20210126722
2021-04-29

Margin test methods and circuits

#8
20210080503
2021-03-18

Circuit, chip and semiconductor device

#9
20210018561
2021-01-21

MEASUREMENT SYSTEM AND METHOD FOR AUTOMATED MEASUREMENT OF SEVERAL CONTRIBUTIONS TO SIGNAL DEGRADATION

#10
20210006341
2021-01-07

Margin test methods and circuits

#11
20190296867
2019-09-26

Waveform observation system and method for waveform observation

#12
20190190627
2019-06-20

Margin test methods and circuits

#13
20180348301
2018-12-06

Systems and methods for testing an embedded controller

#14
20180136279
2018-05-17

Semiconductor wafer evaluation standard setting method, semiconductor wafer evaluation method, semiconductor wafer manufacturing process evaluation method, and semiconductor wafer manufacturing method

#15
20170149513
2017-05-25

Margin test methods and circuits

#16
20160344577
2016-11-24

DFE margin test methods and circuits that decouple sample feedback timing

#17
20160131708
2016-05-12

On-chip eye diagram capture

#18
20150341128
2015-11-26

Margin test methods and circuits

#19
20150309101
2015-10-29

Noise figure measurement using narrowband compensation

#20
20140331112
2014-11-06

Margin test methods and circuits

#21
20140266152
2014-09-18

On-chip eye diagram capture

#22
20120140812
2012-06-07

Receiver circuit architectures

#23
20110288810
2011-11-24

Test apparatus and test method

#24
20110274153
2011-11-10

Flexible timebase for eye diagram

#25
20110119010
2011-05-19

METHOD OF DETERMINING CHARACTERISTICS OF DEVICE UNDER TEST, PROGRAM, AND STORAGE MEDIUM STORING PROGRAM

#26
20110096881
2011-04-28

Method and device for clock data recovery

#27
20100289551
2010-11-18

Increased reliability in the processing of digital signals

#28
20100141308
2010-06-10

Method and device for clock-data recovery

#29
20100097087
2010-04-22

EYE MAPPING BUILT-IN SELF TEST (BIST) METHOD AND APPARATUS

#30
20100080421
2010-04-01

Apparatus and method for eye margin calculating, and computer-readable recording medium recording program therefof

#31
20100074314
2010-03-25

Margin test methods and circuits

#32
20100020861
2010-01-28

DFE Margin Test Methods and Circuits that Decouple Sample and Feedback Timing

#33
20090245339
2009-10-01

Apparatus and method for analyzing a signal under test

#34
20090219032
2009-09-03

SYSTEM AND METHOD FOR DETERMINING CIRCUIT FUNCTIONALITY UNDER VARYING EXTERNAL OPERATING CONDITIONS

#35
20090182530
2009-07-16

Noise separating apparatus, noise separating method, probability density function separating apparatus, probability density function separating method, testing apparatus, electronic device, program, and recording medium

#36
20080192814
2008-08-14

System and Method for Physical-Layer Testing of High-Speed Serial Links in their Mission Environments

#37
20080159369
2008-07-03

METHOD OF GENERATING AN EYE DIAGRAM OF INTEGRATED CIRCUIT TRANSMITTED SIGNALS

#38
20080077357
2008-03-27

NOISE SEPARATING APPARATUS, NOISE SEPARATING METHOD, PROBABILITY DENSITY FUNCTION SEPARATING APPARATUS, PROBABILITY DENSITY FUNCTION SEPARATING METHOD, TESTING APPARATUS, ELECTRONIC DEVICE, PROGRAM, AND RECORDING MEDIUM

#39
20080002762
2008-01-03

Generating an eye diagram of integrated circuit transmitted signals

#40
20070237527
2007-10-11

Optical debug mechanism

#41
20070226602
2007-09-27

Measuring device and method for measuring relative phase shifts of digital signals

#42
20070192077
2007-08-16

Methodology for estimating statistical distribution characteristics of physical parameters of semiconductor device

#43
20070156352
2007-07-05

Estimating boundaries of Schmoo plots

#44
20070121714
2007-05-31

Flexible timebase for EYE diagram

#45
20070043994
2007-02-22

Obtaining test data for a device

#46
20070032977
2007-02-08

Pattern identification and bit level measurements on repetitive patterns

#47
20060227912
2006-10-12

DFE margin test methods and circuits that decouple sample and feedback timing

#48
20060220677
2006-10-05

Signal measurement systems and methods

#49
20060190215
2006-08-24

Method and system for timing measurement of embedded macro module

#50
20060139033
2006-06-29

Apparatus and method for performing eye scan

#51
20060132116
2006-06-22

Waveform analyzer

#52
20050222798
2005-10-06

Method and apparatus for creating performance limits from parametric measurements

#53
20050188287
2005-08-25

Testing and repair methodology for memories having redundancy

#54
20050160327
2005-07-21

Input stage threshold adjustment for high speed data communications