ClassID:

221987

H03K21/10 - CPC Classification

Classification description:

Details of pulse counters or frequency dividers; Output circuits comprising logic circuits

Recent Application in this class:
#1
20260153563
2026-06-04

CLOCK TAMPER DETECTOR AND METHOD FOR DETECTING A CLOCK TAMPERING EVENT

#2
20260149453
2026-05-28

DIVIDER CIRCUIT

#3
20260045952
2026-02-12

OUTPUT SWITCHING SIGNAL USING CAPACITIVE ELEMENT DISCHARGING

#4
20250350269
2025-11-13

DYNAMIC CONTROL OF A MULTI-TRIM OSCILLATOR

#5
20250180642
2025-06-05

Apparatus and Method for Clock Frequency Estimation With Delayed Measurements

#6
20250180614
2025-06-05

Apparatus and Method for Clock Frequency Estimation With Least Squares Method

#7
20250055463
2025-02-13

FRACTIONAL FREQUENCY DIVIDER AND FLASH MEMORY CONTROLLER

#8
20250007500
2025-01-02

SWITCHING FREQUENCY CONTROLLER, VOLTAGE CONVERTER, AND METHOD FOR CONTROLLING SWITCHING FREQUENCY

#9
20240418772
2024-12-19

MONITORING CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, AND VEHICLE

#10
20240372553
2024-11-07

METHODS AND APPARATUS TO DYNAMICALLY CORRECT TIME KEEPING ERRORS

#11
20240356536
2024-10-24

Device for correcting duty cycle and method for correcting duty cycle

#12
20240313749
2024-09-19

DYNAMIC CONTROL OF A MULTI-TRIM OSCILLATOR

#13
20240080030
2024-03-07

Fractional frequency divider and flash memory controller

#14
20240072807
2024-02-29

Frequency divider for non-overlapping clock signals

#15
20240063800
2024-02-22

Hierarchical statisically multiplexed counters and a method thereof

#16
20230216506
2023-07-06

Rational ratio multiplier (RRM) with optimized duty cycle implementation

#17
20230188140
2023-06-15

Methods and apparatus to dynamically correct time keeping errors

#18
20230141572
2023-05-11

Fractional frequency divider and flash memory controller

#19
20230051554
2023-02-16

Clock multiplexer circuitry with glitch reduction

#20
20220393687
2022-12-08

Clock counter, method for clock counting, and storage apparatus

#21
20220352895
2022-11-03

Microcontroller, operation system and control method thereof

#22
20220224339
2022-07-14

Fractional frequency divider and flash memory controller

#23
20220187887
2022-06-16

Synchronous reset signal generation circuit and digital processing device

#24
20220094364
2022-03-24

Fractional frequency divider and flash memory controller

#25
20220069825
2022-03-03

Integrated circuit

#26
20220052688
2022-02-17

Active low-power termination

#27
20210097914
2021-04-01

Counter, pixel circuit, display panel and display device

#28
20210091768
2021-03-25

Frequency divider circuit, communication circuit, and integrated circuit

#29
20200382123
2020-12-03

Event counter circuits using partitioned moving average determinations and related methods

#30
20200348718
2020-11-05

Fault-tolerant clock gating

#31
20200259497
2020-08-13

Access schemes for section-based data protection in a memory device

#32
20200228126
2020-07-16

Dithered M by N clock dividers

#33
20200177168
2020-06-04

Mixed signal circuit spur cancellation

#34
20200162083
2020-05-21

Dithered M by N clock dividers

#35
20200153439
2020-05-14

Multi-modulus frequency dividers

#36
20200153112
2020-05-14

Front-end chip for dual-pole antenna array

#37
20200044630
2020-02-06

Oscillator apparatus capable of protecting circuit element(s) within oscillator of oscillator apparatus from damage of signal glitch

#38
20200028346
2020-01-23

Configurable retry for system operations

#39
20190386643
2019-12-19

Method and apparatus for pulse generation

#40
20190379359
2019-12-12

FREQUENCY DIVISION CIRCUITRY AND METHODS

#41
20190372236
2019-12-05

Distributed transceiver signal switching circuit

#42
20190368899
2019-12-05

Pulse signal generator and angle detection system including the same

#43
20190363724
2019-11-28

DLL circuit having variable clock divider

#44
20190288691
2019-09-19

Apparatuses with an embedded combination logic circuit for high speed operations

#45
20190253060
2019-08-15

Wide-range local oscillator (LO) generators and apparatuses including the same

#46
20190199355
2019-06-27

Semiconductor device capable of preventing reset of counting circuit

#47
20190173476
2019-06-06

Modulus divider with deterministic phase alignment

#48
20190165787
2019-05-30

Circuit for monitoring transient time in analog and digital systems

#49
20190115928
2019-04-18

DLL circuit having variable clock divider

#50
20190089401
2019-03-21

Distributed transceiver signal switching circuit

#51
20190089400
2019-03-21

Method to build asymmetrical transmit/receive switch with 90 degrees impedance transformation section

#52
20190089399
2019-03-21

Fast memory access control for phase and gain

#53
20190089308
2019-03-21

Wideband vector modulator and phase shifter

#54
20190089064
2019-03-21

Symmetrical front-end chip for dual-pole antenna array

#55
20190089048
2019-03-21

Radio-frequency signal shielding and channel isolation

#56
20190074839
2019-03-07

Semiconductor device including integrated circuit of flip-flops and switches

#57
20190058464
2019-02-21

High speed data synchronization

#58
20180358971
2018-12-13

Apparatuses with an embedded combination logic circuit for high speed operations

#59
20180358958
2018-12-13

Digital Controlled Oscillator Based Clock Generator For Multi-Channel Design

#60
20180278261
2018-09-27

Fractional clock generator with ramp control including fixed time interval and coarse/fine frequency change steps

#61
20180278255
2018-09-27

Frequency divider circuit

#62
20180245989
2018-08-30

Semiconductor memory device and method having temperature sensing circuit and count value for adjusting circuit operations

#63
20180231421
2018-08-16

Semiconductor device having temperature sensor circuit that detects a temperature range upper limit value and a temperature range lower limit value

#64
20180205386
2018-07-19

Wide-range local oscillator (LO) generators and apparatuses including the same

#65
20180175840
2018-06-21

Delay circuit, count value generation circuit, and physical quantity sensor

#66
20180120364
2018-05-03

Digital frequency measuring apparatus

#67
20180109266
2018-04-19

Programmable clock divider

#68
20180102767
2018-04-12

Switched-capacitor DC-DC convertor and control method thereof

#69
20180076818
2018-03-15

Clock generating circuit and signal processing device

#70
20180058944
2018-03-01

Semiconductor device having temperature circuit that sets temperature ranges and is disabled upon power supply transition

#71
20180058880
2018-03-01

Counting device and pedometer device

#72
20180054202
2018-02-22

Output signal generation circuit

#73
20180019753
2018-01-18

Frequency divider regarding variable division ratio

#74
20180019747
2018-01-18

SIGNAL TRANSMISSION CIRCUIT AND DRIVING DEVICE FOR SWITCHING ELEMENT

#75
20180010968
2018-01-11

Semiconductor device having temperature sensor circuit that detects a temperature range upper limit value and a temperature range lower limit value

#76
20170373674
2017-12-28

Digital controlled oscillator based clock generator for multi-channel design

#77
20170366188
2017-12-21

Apparatuses with an embedded combination logic circuit for high speed operations

#78
20170324414
2017-11-09

Multi-stage frequency dividers and poly-phase signal generators

#79
20170324402
2017-11-09

Power efficient high speed latch circuits and systems

#80
20170302286
2017-10-19

Frequency divider circuit and a frequency synthesizer circuit

#81
20170244393
2017-08-24

Electronic latch circuit and a generic multi-phase signal generator

#82
20170207788
2017-07-20

Frequency divider and control method thereof

#83
20170077918
2017-03-16

High-speed programmable clock divider

#84
20170047892
2017-02-16

Resonant frequency divider design methodology for dynamic frequency scaling

#85
20170041005
2017-02-09

Fractional phase locked loop (PLL) architecture

#86
20160308536
2016-10-20

Multi-modulus divider with power-of-2 boundary condition support

#87
20160233852
2016-08-11

Programmable synchronous clock divider

#88
20160169750
2016-06-16

Semiconductor device having temperature sensor circuits

#89
20160099708
2016-04-07

Resonant frequency divider design methodology for dynamic frequency scaling

#90
20160079985
2016-03-17

QUADRATURE LOCAL OSCILLATOR PHASE SYNTHESIS AND ARCHITECTURE FOR DIVIDE-BY-ODD-NUMBER FREQUENCY DIVIDERS

#91
20160072507
2016-03-10

Frequency divider and related electronic device

#92
20160064064
2016-03-03

Power up of semiconductor device having a temperature circuit and method therefor

#93
20160036455
2016-02-04

System and method for clock generation with an output fractional frequency divider

#94
20150326242
2015-11-12

Counter, analogue to digital converter including the counter and image sensing device including the analogue to digital converter

#95
20150295665
2015-10-15

Frequency divider and radio communications device

#96
20150280702
2015-10-01

Semiconductor device having subthreshold operating circuits including a back body bias potential based on temperature range

#97
20150276510
2015-10-01

Semiconductor device having a temperature circuit that provides a plurality of temperature operating ranges

#98
20150276500
2015-10-01

Semiconductor device having temperature sensor circuit that detects a temperature range upper limit value and a temperature range lower limit value

#99
20150244375
2015-08-27

Temperature threshold circuit with hysteresis

#100
20150236701
2015-08-20

Clock dividing device

#101
20150222271
2015-08-06

Clock signal generator

#102
20150207510
2015-07-23

High-speed frequency divider

#103
20150188546
2015-07-02

Hybrid synchronous/asynchronous counter

#104
20150180479
2015-06-25

Metering circuit including a floating count window to determine a count

#105
20150129748
2015-05-14

Multiple data rate counter, data converter including the same, and image sensor including the same

#106
20150124926
2015-05-07

Counter circuit and image sensor including the same

#107
20150015312
2015-01-15

Integer frequency divider and programmable frequency divider capable of achieving 50% duty cycle

#108
20150015311
2015-01-15

Fractional frequency divider circuit

#109
20140247903
2014-09-04

Modular frequency divider with switch configuration to reduce parasitic capacitance

#110
20140117202
2014-05-01

Driver circuit for outputting photon counting including a multiplexer, inverter and power supply

#111
20130271188
2013-10-17

Compact high frequency divider

#112
20130162293
2013-06-27

Soft error resilient circuit design method and logic cells

#113
20130147526
2013-06-13

Methods of controlling clocks in system on chip including function blocks, systems on chips and semiconductor systems including the same

#114
20130043913
2013-02-21

Frequency divider for generating output clock signal with duty cycle different from duty cycle of input clock signal

#115
20130021070
2013-01-24

Low-power frequency dividers

#116
20120297221
2012-11-22

Adder including transistor having oxide semiconductor layer

#117
20120268170
2012-10-25

Semiconductor device having gear down mode, method of controlling same, and information processing system

#118
20120169382
2012-07-05

DIVIDING METHOD AND DIVIDING APPARATUS FOR GENERATING NOISE-REDUCED FREQUENCY DIVIDED SIGNAL BY UTILIZING NOISE REDUCING CIRCUIT

#119
20120001665
2012-01-05

Fractional frequency divider

#120
20110254605
2011-10-20

HIGH SPEED DUAL MODULUS PRESCALER

#121
20110254595
2011-10-20

Flip-flop and frequency dividing circuit with flip-flop

#122
20110248764
2011-10-13

Clock divider system and method with incremental adjustment steps while controlling tolerance in clock duty cycle

#123
20110234293
2011-09-29

Low-power frequency dividers

#124
20110234286
2011-09-29

Three-phase generator for motor control

#125
20110234266
2011-09-29

Frequency divider for generating output clock signal with duty cycle different from duty cycle of input clock signal

#126
20110074968
2011-03-31

Multiple data rate counter, data converter including the same, and image sensor including the same

#127
20090243668
2009-10-01

FREQUENCY DIVIDER SPEED BOOSTER

#128
20090079473
2009-03-26

Fifty percent duty cycle clock divider circuit and method

#129
20080219399
2008-09-11

Frequency Divider With Symmetrical Output

#130
20080191752
2008-08-14

Method for dividing a high-frequency signal

#131
20080042697
2008-02-21

Multi-modulus divider retiming circuit

#132
20080007310
2008-01-10

Programmable low-power high-frequency divider

#133
20070286328
2007-12-13

Frequency dividing systems and methods

#134
20070139088
2007-06-21

High-speed divider with pulse-width control

#135
20070040593
2007-02-22

Frequency divider and associated methods

#136
20060158237
2006-07-20

Programmable low-power high-frequency divider

#137
20060109947
2006-05-25

Programmable low-power high-frequency divider

#138
20050146362
2005-07-07

Programmable low-power high-frequency divider

#139
20050057285
2005-03-17

Programmable low-power high-frequency divider

#140
20050035794
2005-02-17

Programmable divider with built-in programmable delay chain for high-speed/low power application

#141
19226394
2025-09-09

4-bit synchronous counter IC with ripple carry-out, loading capability, and integrated MOD-10 reset functionality

#142
17468686
2022-07-05

Clock step control circuit and method thereof

#143
17391406
2022-05-31

Prescaler for a frequency divider

#144
16673835
2020-08-18

Multi-modulus frequency divider circuit

#145
16418780
2020-03-31

Frequency divider

#146
16274145
2020-07-14

Inductor-less divide-by-3 injection locked frequency divider

#147
16270208
2020-03-03

Multi-modulus frequency dividers

#148
16268206
2019-12-10

Method and apparatus of operating synchronizing high-speed clock dividers to correct clock skew

#149
15817909
2018-08-28

Fast memory access control for phase and gain

#150
15786362
2018-10-23

DLL circuit having variable clock divider

#151
15653519
2018-07-17

Inductor-less local oscillator generation apparatus

#152
15453712
2018-07-03

Fractional clock generator with ramp control including fixed time interval and coarse/fine frequency change steps

#153
15184077
2017-09-12

Apparatuses with an embedded combination logic circuit for high speed operations

#154
15077598
2017-05-30

Fast frequency divider circuit using combinational logic

#155
14966913
2017-01-10

Multi-stage frequency dividers having duty cycle correction circuits therein

#156
14839817
2017-03-07

High-speed programmable frequency divider with 50% output duty cycle

#157
14516559
2015-12-15

Fractional frequency divider