ClassID:

221578

H03K5/26 - CPC Classification

Classification description:

Manipulating of pulses not covered by one of the other main groups of this subclass; Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence

Recent Application in this class:
#1
20260135548
2026-05-14

COMPARISON CIRCUIT PERFORMING COMPARATOR OFFSET CALIBRATION AND METHOD OF OPERATING THE SAME

#2
20250392294
2025-12-25

Method and Machine for the Discrimination of the Spacetime Separation between Wave Packets

#3
20250117038
2025-04-10

METHOD AND APPARATUS FOR EARLY DETECTION OF SIGNAL EXCURSION OUT OF FREQUENCY RANGE

#4
20250105732
2025-03-27

CROSS-REGULATION OF POWER CONVERTERS

#5
20250082355
2025-03-13

CONTROL SYSTEM FOR AN ULTRASONIC SURGICAL HANDPIECE

#6
20250080089
2025-03-06

Random mismatch compensation for high frequency injection locking ring oscillators

#7
20250060410
2025-02-20

DELAY MEASUREMENT SYSTEM AND MEASUREMENT METHOD

#8
20240361368
2024-10-31

METHOD AND APPARATUS FOR PHASE DETECTION

#9
20240288478
2024-08-29

METHOD OF MONITORING A CLOCK SIGNAL, CORRESPONDING DEVICE AND SYSTEM

#10
20240283442
2024-08-22

INVERSE VOLTAGE-TO-CURRENT CONVERSION CIRCUIT

#11
20240223161
2024-07-04

Pseudo resistor with autotune function

#12
20240183901
2024-06-06

CLOCK MONITORING CIRCUIT

#13
20240133738
2024-04-25

Time-domain filtering of gamma events

#14
20240007088
2024-01-04

Clock distribution device, and signal processing device and image display apparatus including same

#15
20230412355
2023-12-21

DATA RECEIVING APPARATUS

#16
20230387899
2023-11-30

Method and Machine for the Discrimination of the Spacetime Separation Between Wave Packets

#17
20230327657
2023-10-12

Clock domain crossing

#18
20230318608
2023-10-05

Circuit device and oscillator

#19
20230291538
2023-09-14

Method of calibrating a clock signal, and corresponding electronic device and system

#20
20230258721
2023-08-17

Delay measurement system and measurement method

#21
20230238926
2023-07-27

AUDIO CIRCUIT

#22
20230213958
2023-07-06

Method and apparatus for early detection of signal excursion out of frequency range

#23
20230170891
2023-06-01

Semiconductor device

#24
20230107400
2023-04-06

EDGE COMBINERS WITH SYMMETRICAL OPERATION RANGE AT HIGH SPEED

#25
20230068753
2023-03-02

Method and circuit for calibration of high-speed data interface

#26
20230034417
2023-02-02

ISOLATED COMMUNICATIONS LANE DEMODULATOR

#27
20230012226
2023-01-12

CLOCK SELECTOR CIRCUIT

#28
20230005559
2023-01-05

Signal generation circuit and method, and semiconductor memory

#29
20220413024
2022-12-29

System frequency detector

#30
20220407507
2022-12-22

Clock signal generation circuit, method for generating clock signal and electronic device

#31
20220373616
2022-11-24

System, device and method for detecting connection of connecting structure

#32
20220311428
2022-09-29

Clock spread spectrum circuit, electronic equipment, and clock spread spectrum method

#33
20220302676
2022-09-22

Pulse width check circuit for laser diode pulse generator

#34
20220263511
2022-08-18

Data mutex filter circuit and data mutex filtering method

#35
20220244099
2022-08-04

Time-domain filtering of gamma events

#36
20220191000
2022-06-16

High performance phase locked loop

#37
20220163294
2022-05-26

CEW weapon system and related methods

#38
20220158628
2022-05-19

Clock signal generation

#39
20220131547
2022-04-28

PLL circuit using intermittent operation amplifier

#40
20220094349
2022-03-24

INVERSE VOLTAGE-TO-CURRENT CONVERSION CIRCUIT

#41
20220038081
2022-02-03

Generator and method for generating a controlled frequency

#42
20210376840
2021-12-02

Oscillator, electronic apparatus, and vehicle

#43
20210373591
2021-12-02

Clock compensation circuit

#44
20210302499
2021-09-30

Clock frequency monitoring device and clock frequency monitoring method

#45
20210286591
2021-09-16

Signal processing circuit, signal processing device, and signal processing method to suppress power consumption

#46
20210286001
2021-09-16

Embedded logic analyzer and integrated circuit including the same

#47
20210194472
2021-06-24

Integrated circuit having trim function for component

#48
20210194363
2021-06-24

Time signal generating circuit of power converter and control method thereof

#49
20210190852
2021-06-24

Detection circuit and detection method for fail signal

#50
20210175734
2021-06-10

Device and method for generating magnitude and rate offsets at a phase comparator

#51
20210116219
2021-04-22

CEW weapon system and related methods

#52
20210091774
2021-03-25

Phase and amplitude controlled oscillation device

#53
20210013890
2021-01-14

Frequency synthesis device with feedback loop

#54
20200412088
2020-12-31

Pulse width check circuit for laser diode pulse generator

#55
20200382001
2020-12-03

Methods and apparatus to bypass sensed signals in power converters

#56
20200381028
2020-12-03

Clock generating circuit and memory device including the same

#57
20200348347
2020-11-05

Sensor device

#58
20200321953
2020-10-08

Integrated circuit and method of testing

#59
20200295916
2020-09-17

Device and method for correcting at least one transmission parameter

#60
20200264012
2020-08-20

Device and method for monitoring a sensor clock signal

#61
20200259630
2020-08-13

Phase detector, phase synchronization circuit, and method of controlling phase synchronization circuit

#62
20200253631
2020-08-13

Control system for an ultrasonic surgical handpiece

#63
20200213075
2020-07-02

High performance phase locked loop

#64
20200212899
2020-07-02

Methods and apparatus for phase imbalance correction

#65
20200209910
2020-07-02

Phase difference generator error compensation method of digital frequency generator

#66
20200142000
2020-05-07

Circuit aging detection sensor based on lookup table

#67
20200127653
2020-04-23

Correction circuit

#68
20200091898
2020-03-19

Semiconductor device and control methods thereof

#69
20200083873
2020-03-12

Clock screening with programmable counter-based clock interface and time-to-digital converter with high resolution and wide range operation

#70
20200057466
2020-02-20

Semiconductor integrated circuit and method for controlling semiconductor integrated circuit

#71
20200044639
2020-02-06

LATCH CIRCUIT

#72
20190363868
2019-11-28

High performance phase locked loop

#73
20190348971
2019-11-14

Duty cycle controller

#74
20190310141
2019-10-10

Temperature sensor in an integrated circuit having offset cancellation

#75
20190296724
2019-09-26

Correction circuit

#76
20190212770
2019-07-11

Clock delay circuit

#77
20190199357
2019-06-27

Non-linear spread spectrum profile generator using linear combination

#78
20190190508
2019-06-20

Receiving circuit, transmission circuit and system

#79
20190182983
2019-06-13

Detection system and method of signal transmission delay for fan chip

#80
20190179359
2019-06-13

System and method for detecting clock frequency offset of fan chip

#81
20190140629
2019-05-09

Phase detector

#82
20190131962
2019-05-02

Duty cycle detector and phase difference detector

#83
20190115908
2019-04-18

Apparatus and method for clock signal frequency division using self-resetting, low power, linear feedback shift register (LFSR)

#84
20190097640
2019-03-28

Phase-locked loop output adjustment

#85
20190068180
2019-02-28

Detector circuit and wireless communication apparatus

#86
20190064747
2019-02-28

Time-to-digital converter, circuit device, physical quantity measurement apparatus, electronic apparatus, and vehicle

#87
20190036521
2019-01-31

Power switch over-power protection

#88
20190033355
2019-01-31

Phase measurement

#89
20190007192
2019-01-03

High performance phase locked loop

#90
20190004111
2019-01-03

Systems and methods for duty cycle measurement, analysis, and compensation

#91
20180358954
2018-12-13

Delay circuit and duty cycle controller including the same

#92
20180357041
2018-12-13

Apparatuses and methods for timing domain crossing

#93
20180351541
2018-12-06

Synchronous clock generation using an interpolator

#94
20180302076
2018-10-18

Serializer device

#95
20180219539
2018-08-02

On-chip waveform measurement

#96
20180219538
2018-08-02

On-chip waveform measurement

#97
20180217012
2018-08-02

Approach to measuring strain effects using ring oscillators

#98
20180212593
2018-07-26

Circuit device, real-time clocking device, electronic apparatus, vehicle, and verification method

#99
20180202773
2018-07-19

CEW weapon system and related methods

#100
20180198455
2018-07-12

Integrated circuit having a clock deskew circuit that includes an injection-locked oscillator

#101
20180183421
2018-06-28

Voltage comparator arrangement, electronic component, chip card, embedded secure element

#102
20180145662
2018-05-24

Input/output system, input device, and control method of input/output system

#103
20180115308
2018-04-26

Circuit device, electronic device, physical quantity sensor, and vehicle

#104
20180109245
2018-04-19

Slew rate adjusting circuit and slew rate adjusting method

#105
20180102810
2018-04-12

Method and device for data transmission and counter unit

#106
20180097512
2018-04-05

Synchronous clock generation using an interpolator

#107
20180062632
2018-03-01

Control method and control circuit for switch circuit and switch circuit device

#108
20180034451
2018-02-01

Method for operating a pulse generator for capacitive sensors, and pulse generator

#109
20180033224
2018-02-01

ALTERNATING CURRENT (AC) LOAD PRE-CHARGE PROTECTION

#110
20180031594
2018-02-01

Method and device for processing a signal produced by a sensor for detecting the rotation of a rotating target

#111
20180026615
2018-01-25

Comparator, circuit device, physical quantity sensor, electronic device, and vehicle

#112
20180024203
2018-01-25

Detection of electric power system anomalies in streaming measurements

#113
20170366177
2017-12-21

Integrated circuit and method of testing

#114
20170357482
2017-12-14

Apparatuses and methods for timing domain crossing

#115
20170356811
2017-12-14

Approach to measuring strain effects using ring oscillators

#116
20170324596
2017-11-09

Phase measuring device and apparatuses using the phase measuring device

#117
20170310456
2017-10-26

High performance phase locked loop

#118
20170310315
2017-10-26

Synchronous, internal clock edge alignment for integrated circuit testing

#119
20170309319
2017-10-26

Apparatuses and methods for detecting frequency ranges corresponding to signal delays of conductive VIAS

#120
20170294906
2017-10-12

Method, apparatus, system for centering in a high performance interconnect

#121
20170230042
2017-08-10

Phase difference detecting device

#122
20170214399
2017-07-27

Method and apparatus for digital undervoltage detection and control

#123
20170207790
2017-07-20

Integrated circuit having a clock deskew circuit that includes an injection-locked oscillator

#124
20170194972
2017-07-06

Time to digital converter, phase difference pulse generator, radio communication device, and radio communication method

#125
20170176506
2017-06-22

METHOD FOR USING AN ACCURATE ADJUSTABLE HIGH-FREQUENCY PHASE-DETECTOR

#126
20170150261
2017-05-25

MEMS microphone and method of operating a MEMS microphone

#127
20170111034
2017-04-20

Buffer circuit, semiconductor integrated circuit, and system including the buffer circuit

#128
20170093407
2017-03-30

Non-linear spread spectrum profile generator using linear combination

#129
20170063363
2017-03-02

COMPARATOR, ELECTRONIC CIRCUIT, AND METHOD OF CONTROLLING COMPARATOR

#130
20170063353
2017-03-02

Open-loop quadrature clock corrector and generator

#131
20170045582
2017-02-16

Embedded logic analyzer and integrated circuit including the same

#132
20170040985
2017-02-09

Apparatus and scheme for IO-pin-less calibration or trimming of on-chip regulators

#133
20170026033
2017-01-26

Skew correction circuit, electronic device, and skew correction method

#134
20170019117
2017-01-19

Method for driving semiconductor device

#135
20170012629
2017-01-12

Semiconductor device and control method of semiconductor device

#136
20160359476
2016-12-08

Method for reduced power clock frequency monitoring

#137
20160349297
2016-12-01

Method for using an accurate adjustable high-frequency phase-detector

#138
20160344380
2016-11-24

Systems and methods of phase frequency detection with clock edge overriding reset, extending detection range, improvement of cycle slipping and/or other features

#139
20160339856
2016-11-24

Device and method for monitoring a timer

#140
20160301388
2016-10-13

Phase error compensation circuit

#141
20160248414
2016-08-25

Voltage comparator

#142
20160226474
2016-08-04

Forwarded clock jitter reduction

#143
20160191035
2016-06-30

Frequency comparator and early-late detector

#144
20160191034
2016-06-30

Method, apparatus, system for centering in a high performance interconnect

#145
20160182019
2016-06-23

Duty cycle detection circuit and method

#146
20160173090
2016-06-16

Apparatus and method for detecting or repairing minimum delay errors

#147
20160091560
2016-03-31

Integrated circuit and method of testing

#148
20160072495
2016-03-10

Phase adjustment device, phase difference detecting device and phase-adjusting method

#149
20160065192
2016-03-03

Compensation time computing method and device for clock difference

#150
20160028440
2016-01-28

Method for data transmission

#151
20160028387
2016-01-28

Measuring delay between signal edges of different signals using an undersampling clock

#152
20150358011
2015-12-10

Adaptive edge-rate boosting driver with programmable strength for signal conditioning

#153
20150333740
2015-11-19

Integrated circuit comprising frequency change detection circuitry

#154
20150326213
2015-11-12

Apparatuses and methods for timing domain crossing

#155
20150315988
2015-11-05

Method for processing a signal supplied by a bi-directional sensor and corresponding device

#156
20150300917
2015-10-22

Method for processing a signal supplied by a bi-directional sensor and corresponding device

#157
20150248966
2015-09-03

Signal transmitting circuit

#158
20150207502
2015-07-23

Method and apparatus for reference-less repeater with digital control

#159
20150188553
2015-07-02

Apparatus for symmetric and linear time-to-digital converter (TDC)

#160
20150131706
2015-05-14

Phase-alignment between clock signals

#161
20150054549
2015-02-26

Sampling circuit for a current transformer

#162
20140369433
2014-12-18

Circuit arrangement and method for bidirectional data transmission

#163
20140347205
2014-11-27

Time-to-digital converter and an A/D converter including the same

#164
20140327472
2014-11-06

Frequency detection apparatus with internal output voltage which changes along with input signal frequency

#165
20140320187
2014-10-30

Buffer circuit and semiconductor integrated circuit

#166
20140285238
2014-09-25

PLL circuit and phase comparison method in PLL circuit

#167
20140240003
2014-08-28

Phase lock loop lock indicator

#168
20140232474
2014-08-21

Enhanced numerical controlled oscillator

#169
20140104090
2014-04-17

Time difference adjustment circuit and time-to-digital converter including the same

#170
20140098927
2014-04-10

Method and apparatus for detecting cut-off frequency of pulse signal

#171
20140070854
2014-03-13

Integrated circuit comprising frequency change detection circuitry

#172
20140055181
2014-02-27

Clock generating circuit

#173
20130285726
2013-10-31

Forwarded clock jitter reduction

#174
20130214945
2013-08-22

Multi-bit delta-sigma time digitizer circuit and calibration method thereof

#175
20130162356
2013-06-27

Methods and apparatus for oscillator frequency calibration

#176
20130099835
2013-04-25

CALIBRATION APPARATUS FOR PERFORMING PHASE DETECTION/EDGE DISTANCE DETECTION UPON SIGNALS AND RELATED CALIBRATION METHOD THEREOF

#177
20130076398
2013-03-28

Integrated circuit device, electronic device and method for detecting timing violations within a clock signal

#178
20120326751
2012-12-27

Frequency judgment device, voltage comparator circuit, and frequency measurement device

#179
20120326687
2012-12-27

Chopper circuit, DC/DC converter, and fuel cell system

#180
20120319751
2012-12-20

High resolution capture

#181
20120280757
2012-11-08

Semiconductor integrated circuit and abnormal oscillation detection method for semiconductor integrated circuit

#182
20120224407
2012-09-06

Integrated circuit having a clock deskew circuit that includes an injection-locked oscillator

#183
20120218016
2012-08-30

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE HAVING PLURAL DELAY PATHS AND CONTROLLER CAPABLE OF BLOCKING SIGNAL TRANSMISSION IN DELAY PATH

#184
20120169375
2012-07-05

Programmable pulse width discriminator

#185
20120133394
2012-05-31

Data judgment/phase comparison circuit

#186
20120049912
2012-03-01

DIGITAL PHASE DIFFERENCE DETECTOR AND FREQUENCY SYNTHESIZER INCLUDING THE SAME

#187
20110304357
2011-12-15

Digital phase comparator

#188
20110283133
2011-11-17

Glitch-free clock switching circuit

#189
20110228827
2011-09-22

Receiving apparatus, transmission apparatus, and transmission method

#190
20110148491
2011-06-23

Semiconductor apparatus and local skew detecting circuit therefor

#191
20110057735
2011-03-10

Semiconductor integrated circuit and abnormal oscillation detection method for semiconductor integrated circuit

#192
20100327913
2010-12-30

Detection of bad clock conditions

#193
20100231276
2010-09-16

Digital electronic device and method of altering clock delays in a digital electronic device

#194
20100219869
2010-09-02

Semiconductor integrated circuit and signal adjusting method

#195
20100176858
2010-07-15

Signal oversampling for improved S:N in reflector movement system

#196
20100171527
2010-07-08

Phase comparator and phase-locked loop

#197
20100117705
2010-05-13

Semiconductor integrated circuit device having plural delay paths and controller capable of blocking signal transmission in delay path

#198
20100109729
2010-05-06

Duty detecting circuit and duty cycle corrector including the same

#199
20100052732
2010-03-04

FREQUENCY DETECTION CIRCUIT

#200
20090279595
2009-11-12

Waveform shaping device and error measurement device

#201
20090267666
2009-10-29

Phase difference detector and phase difference detection method

#202
20090261853
2009-10-22

Semiconductor device and method of testing the same

#203
20090195271
2009-08-06

Frequency mode selection discriminator and low pass filter

#204
20090184735
2009-07-23

Automatic phase-detection circuit for clocks with known ratios

#205
20090039953
2009-02-12

Asynchronous absorption circuit with transfer performance optimizing function

#206
20090039934
2009-02-12

Signal oversampling for improved S:N in reflector movement system

#207
20090015307
2009-01-15

Local skew detecting circuit for semiconductor memory apparatus

#208
20080315930
2008-12-25

Duty cycle error calculation circuit for a clock generator having a delay locked loop and duty cycle correction circuit

#209
20080309385
2008-12-18

Electronic device and method for on chip skew measurement

#210
20080297200
2008-12-04

Methods for eliminating phase distortion in signals

#211
20080238490
2008-10-02

SEMICONDUCTOR DEVICE AND METHOD FOR DRIVING THE SAME

#212
20080238487
2008-10-02

Duty cycle comparator

#213
20080231325
2008-09-25

Method for checking the integrity of a clock tree

#214
20080201099
2008-08-21

Pulse width adjustment circuit, pulse width adjustment method, and test apparatus for semiconductor device

#215
20080186074
2008-08-07

Circuit and method for reducing pin count of chip

#216
20080150588
2008-06-26

System and method of detecting a phase, a frequency and an arrival-time difference between signals

#217
20080130396
2008-06-05

Fast response time, low power phase detector circuits, devices and systems incorporating the same, and associated methods

#218
20080079463
2008-04-03

System and method for monitoring clock signal in an integrated circuit

#219
20080018371
2008-01-24

Pulse width adjustment circuit, pulse width adjustment method, and test apparatus for semiconductor device

#220
20080001637
2008-01-03

Clock error detection circuits, methods, and systems

#221
20070236277
2007-10-11

Semiconductor integrated circuit device and substrate bias controlling method

#222
20070188904
2007-08-16

Output control device and recording-medium-driver control device

#223
20070188252
2007-08-16

Detection device for detecting oscillator

#224
20070176659
2007-08-02

Duty cycle error calculation circuit for a clock generator having a delay locked loop and duty cycle correction circuit

#225
20070176658
2007-08-02

Timing adjustment circuit

#226
20070170959
2007-07-26

Phase detector

#227
20070116164
2007-05-24

Clock alignment detection from single reference

#228
20070103218
2007-05-10

Input/output logical circuit

#229
20070090695
2007-04-26

Semiconductor device and method of testing the same

#230
20060284650
2006-12-21

Logic circuit and semiconductor integrated circuit

#231
20060244492
2006-11-02

Method of producing balanced data output

#232
20060232310
2006-10-19

System and method for on/off-chip characterization of pulse-width limiter outputs

#233
20060224910
2006-10-05

Circuit and method for monitoring the status of a clock signal

#234
20060158238
2006-07-20

Circuit and method of controlling a delay of a semiconductor device

#235
20060056557
2006-03-16

Method of detecting the relative positioning of two signals and corresponding device

#236
20050168245
2005-08-04

Logical circuit

#237
20050104628
2005-05-19

Signal level detector and amplification factor control system using signal level detector

#238
20050046456
2005-03-03

Adaptive lock position circuit

#239
20050035785
2005-02-17

Logic circuit and semiconductor integrated circuit

#240
20050007157
2005-01-13

Interlaced delay-locked loops for controlling memory-circuit timing

#241
20050001488
2005-01-06

Pulse duty deterioration detection circuit

#242
18198797
2024-10-15

Clock synthesizer with dual control

#243
17887495
2023-08-22

Clock detecting circuit

#244
17347403
2023-02-07

Phononic comb enhanced capacitive inductive sensor

#245
17189864
2022-03-01

Power combining circuits using time folding

#246
16945499
2021-11-16

Digital on-time generation for buck converter

#247
16933178
2020-11-24

Method and system for detecting clock failure

#248
16427826
2020-07-28

Reference clock frequency change handling in a phase-locked loop

#249
16235669
2019-11-26

Methods and apparatus for phase imbalance correction

#250
15241664
2017-07-25

Method and circuit for duty cycle detection

#251
14675370
2016-08-23

Apparatus and methods for anti-aliasing in electronic circuits

#252
14614814
2016-10-04

Circuitry and methods for measuring and correcting duty-cycle distortion

#253
14242174
2016-02-16

Adaptive voltage scaling using a delay line

#254
14207096
2015-02-24

Systems and methods for sample rate tracking