ClassID:

222231

H03L7/22 - CPC Classification

Classification description:

Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop; Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop

Sub-classes:
Recent Application in this class:
#1
20250158624
2025-05-15

MODIFIED CONTROL LOOP IN A DIGITAL PHASE-LOCKED LOOP

#2
20240406044
2024-12-05

SYSTEMS AND METHODS FOR PROCESSING VARIABLE CODING AND MODULATION (VCM) BASED COMMUNICATION SIGNALS USING FEEDFORWARD CARRIER AND TIMING RECOVERY

#3
20230388171
2023-11-30

Data recovery using gradients

#4
20230198531
2023-06-22

Modified control loop in a digital phase-locked loop

#5
20230188142
2023-06-15

Systems and methods for processing variable coding and modulation (VCM) based communication signals using feedforward carrier and timing recovery

#6
20230140495
2023-05-04

Clock signal generation circuit

#7
20230013565
2023-01-19

Multiple PLL system with common and difference mode loop filters

#8
20220014204
2022-01-13

Clock synthesis for frequency scaling in programmable logic designs

#9
20210389864
2021-12-16

Touch detection method, touch detection circuit, touch chip and electronic device

#10
20210036693
2021-02-04

Pulse width modulation control circuit and control method of pulse width modulation signal

#11
20210025974
2021-01-28

Synihesizer for radar sensing

#12
20210006447
2021-01-07

Data recovery using subcarriers gradients

#13
20200252071
2020-08-06

Synchronization of an integrated circuit with a sensor

#14
20200145014
2020-05-07

Phased locked loop integrated circuit

#15
20190379385
2019-12-12

Electronic device including plurality of phased locked loop circuits

#16
20190238141
2019-08-01

Delay locked loop to cancel offset and memory device including the same

#17
20190207611
2019-07-04

Phased locked loop integrated circuit

#18
20190199508
2019-06-27

Communication system and transmission device

#19
20190190148
2019-06-20

Phase controller and phase controlling method for antenna array, and communication apparatus using the same

#20
20190165927
2019-05-30

Device and method for supporting clock transfer of multiple clock domains

#21
20190165794
2019-05-30

Synthesizer and phase frequency detector

#22
20190097641
2019-03-28

Calibration of a voltage controlled oscillator to trim the gain thereof, using a phase locked loop and a frequency locked loop

#23
20190097640
2019-03-28

Phase-locked loop output adjustment

#24
20190097637
2019-03-28

Clock synthesis for frequency scaling in programmable logic designs

#25
20190044520
2019-02-07

Apparatus to synchronize clocks of configurable integrated circuit dies through an interconnect bridge

#26
20190033355
2019-01-31

Phase measurement

#27
20180196124
2018-07-12

Synthesizer for radar sensing

#28
20180167073
2018-06-14

Phase-locked-loop architecture

#29
20180123601
2018-05-03

Delay locked loop to cancel offset and memory device including the same

#30
20180083763
2018-03-22

Clock synchronization

#31
20180069740
2018-03-08

Data recovery from sub-carriers

#32
20180006801
2018-01-04

Clock recovery system and method for near field communication with active load modulation

#33
20170078083
2017-03-16

Tracking of signals with at least one subcarrier

#34
20170019116
2017-01-19

Clock and data recovery circuit module and phase lock method

#35
20170003708
2017-01-05

Method and circuit for adjusting the frequency of a clock signal

#36
20160380639
2016-12-29

Phase lock method

#37
20160285466
2016-09-29

Voltage controlled oscillator runaway prevention

#38
20160226443
2016-08-04

Integrated clock generator and method therefor

#39
20160043728
2016-02-11

RF circuit

#40
20160006559
2016-01-07

Transmission apparatus, reception apparatus, and transmission and reception system

#41
20160006421
2016-01-07

Frequency synthesizer circuit

#42
20150301557
2015-10-22

Clock multiplication and distribution

#43
20150229318
2015-08-13

Oscillator circuit and frequency synthesizer

#44
20150229313
2015-08-13

Signal generation circuit and electronic apparatus

#45
20150227185
2015-08-13

Dynamic clock and voltage scaling with low-latency switching

#46
20150222418
2015-08-06

Reception circuit

#47
20150222276
2015-08-06

Double phase-locked loop with frequency stabilization

#48
20150188552
2015-07-02

PHASE LOCKED LOOP AND CONTROL METHOD THEREOF

#49
20150156009
2015-06-04

Direct synchronization of synthesized clock

#50
20150048868
2015-02-19

Circuits for generating sweep frequency signal

#51
20140312981
2014-10-23

Frequency-locked loop circuit and semiconductor integrated circuit

#52
20140235189
2014-08-21

Clock multiplexing for baseband automatic frequency correction

#53
20140145770
2014-05-29

Clock generation circuit

#54
20140132318
2014-05-15

PLL locking control in daisy chained memory system

#55
20140035639
2014-02-06

Semiconductor device generating internal clock signal having higher frequency than that of input clock signal

#56
20130335148
2013-12-19

Oscillation frequency adjusting circuit

#57
20130300475
2013-11-14

Low power, jitter and latency clocking with common reference clock signals for on-package input/output interfaces

#58
20130300473
2013-11-14

Phase-locked loop (PLL) fail-over circuit technique and method to mitigate effects of single-event transients

#59
20130093468
2013-04-18

Method and apparatus for managing arbitrary frequencies

#60
20130093466
2013-04-18

On die low power high accuracy reference clock generation

#61
20130052966
2013-02-28

System and transceiver clocking to minimize required number of reference sources in multi-function cellular applications including GPS

#62
20130033330
2013-02-07

Frequency synthesis and noise reduction

#63
20120235716
2012-09-20

Enhancement of power management using dynamic voltage and frequency scaling and digital phase lock loop high speed bypass mode

#64
20120133444
2012-05-31

PHASE-LOCKED LOOP DEVICE AND CLOCK CALIBRATION METHOD THEREOF

#65
20120025881
2012-02-02

High frequency quadrature PLL circuit and method

#66
20120015610
2012-01-19

Frequency synthesizer

#67
20110254631
2011-10-20

Reference assisted control system and method thereof

#68
20110175653
2011-07-21

Clock device

#69
20110170875
2011-07-14

Signal output device, and output apparatus of signal source of signals and of laser beam pulses

#70
20110159835
2011-06-30

Crystal-less clock generation for radio frequency receivers

#71
20110109359
2011-05-12

Variable capacitance with delay lock loop

#72
20110105054
2011-05-05

Master-slave local oscillator porting between radio integrated circuits

#73
20110095794
2011-04-28

Enhancement of power management using dynamic voltage and frequency scaling and digital phase lock loop high speed bypass mode

#74
20110080528
2011-04-07

Frequency synthesizer and related method for generating wideband signals

#75
20110037501
2011-02-17

High agility frequency synthesizer phase-locked loop

#76
20100330931
2010-12-30

System and transceiver clocking to minimize required number of reference sources in multi-function cellular applications including GPS

#77
20100303186
2010-12-02

Synchronization circuit, synchronization method, and reception system

#78
20100277210
2010-11-04

Three-dimensional chip-stack synchronization

#79
20100271140
2010-10-28

Supply-regulated phase-locked loop (PLL) and method of using

#80
20100171648
2010-07-08

Modular radar system

#81
20100150288
2010-06-17

Synchronization of Low Noise Local Oscillator using Network Connection

#82
20100123496
2010-05-20

Multiple input PLL with hitless switchover between non-integer related input frequencies

#83
20100123491
2010-05-20

Exact frequency translation using dual cascaded sigma-delta modulator controlled phase lock loops

#84
20100085090
2010-04-08

Clock clean-up phase-locked loop (PLL)

#85
20100066589
2010-03-18

Method and apparatus for highly accurate higher frequency signal generation and related level gauge

#86
20100001772
2010-01-07

Methods and systems for delay compensation in global PLL-based timing recovery loops

#87
20090221012
2009-09-03

Method for Detecting Procoagulant Phospholipid

#88
20090201065
2009-08-13

Local signal generation circuit

#89
20090190708
2009-07-30

Frequency synthesis using upconversion PLL processes

#90
20090170448
2009-07-02

Master-slave local oscillator porting between radio integrated circuits

#91
20090156150
2009-06-18

Frequency synthesizer and related method for generating wideband signals

#92
20090092213
2009-04-09

Frequency hold mechanism in a clock and data recovery device

#93
20080297218
2008-12-04

Variable capacitance with delay lock loop

#94
20080297210
2008-12-04

Clock multiplier and clock generator having the same

#95
20080242190
2008-10-02

Novelty LED-projection message balloon

#96
20080238498
2008-10-02

Clock generator, method for generating clock signal and fractional phase lock loop thereof

#97
20080049878
2008-02-28

Timing of ultra wideband pulse generator

#98
20070290930
2007-12-20

Variable-phase ring-oscillator arrays, architectures, and related methods

#99
20070274425
2007-11-29

Switchable phase locked loop and method for the operation of a switchable phase locked loop

#100
20070226531
2007-09-27

Clock generator and clock generating method using delay locked loop

#101
20070200640
2007-08-30

System and method for mitigating phase pulling in a multiple frequency source system

#102
20070195916
2007-08-23

Synchronous follow-up apparatus and synchronous follow-up method

#103
20070183014
2007-08-09

Multiple frequency source system and method of operation

#104
20070176663
2007-08-02

Offset signal phasing for a multiple frequency source system

#105
20070103214
2007-05-10

Switchable PLL circuit

#106
20060285619
2006-12-21

Digital control oscillator

#107
20060228765
2006-10-12

Method for detecting procoagulant phospholipid

#108
20060192621
2006-08-31

Two-system PLL frequency synthesizer

#109
20060176944
2006-08-10

Synthesizer design for network testing device

#110
20050227629
2005-10-13

High agility frequency synthesizer phase-locked loop

#111
20050218955
2005-10-06

Adaptive frequency clock generation system

#112
20050200393
2005-09-15

Method and device for generating a clock signal with predetermined clock signal properties

#113
20050093593
2005-05-05

Clock generation system applicable to PLL

#114
20050073367
2005-04-07

Dual-oscillator signal synthesizer having high frequency offset stage

#115
20050064892
2005-03-24

Master-slave local oscillator porting between radio integrated circuits

#116
20050040894
2005-02-24

Provision of local oscillator signals

#117
14992164
2016-07-12

Voltage controlled oscillator runaway prevention

#118
13829202
2015-06-23

Clock generation circuits using jitter attenuation control circuits with dynamic range shifting