ClassID:

224160

H04B2215/067 - CPC Classification

Classification description:

Reducing interference at the transmission system level; Reduction of clock or synthesizer reference frequency harmonics by modulation dispersion

Recent Application in this class:
#1
20200052734
2020-02-13

Backscatter systems, devices, and techniques utilizing CSS modulation and/or higher order harmonic cancellation

#2
20170373649
2017-12-28

Methods and devices for ramping a switched capacitor power amplifier

#3
20170353108
2017-12-07

Spread spectrum clock generator and method

#4
20170331377
2017-11-16

Switching converter, control unit and method for operating a switching converter circuit device

#5
20170075378
2017-03-16

Clock generation circuit and wireless receiving device

#6
20150331656
2015-11-19

Systems and methods for reducing digital interference of external signals

#7
20150103877
2015-04-16

Electro-magnetic interference reduction for switched signal systems

#8
20140153590
2014-06-05

Method and apparatus for transmitting data

#9
20140037034
2014-02-06

Method and system for multi-point signal generation with phase synchronized local carriers

#10
20130279608
2013-10-24

Transmission method and system

#11
20130235906
2013-09-12

Electronic device with dynamic noise spectrum control

#12
20130141076
2013-06-06

Spread Spectrum Clock Signal Detection System and Method

#13
20130021075
2013-01-24

Spreading a clock signal

#14
20120294400
2012-11-22

Method and system for multi-point signal generation with phase synchronized local carriers

#15
20120163522
2012-06-28

Platform RFI mitigation

#16
20120163042
2012-06-28

Circuit and method of frequency jitter, and application thereof in switched-mode power supply (SMPS)

#17
20120154010
2012-06-21

Systems and method for spur supression in a multiple radio SoC

#18
20120093196
2012-04-19

All digital implementation of clock spectrum spreading (dither) for low power/die area

#19
20120063552
2012-03-15

Electro-magnetic interference reduction for switched signal systems

#20
20110293054
2011-12-01

Adaptive control of clock spread to mitigate radio frequency interference

#21
20110241919
2011-10-06

System and method for generating shaped noise

#22
20110164624
2011-07-07

Method and apparatus for transmitting data

#23
20110062994
2011-03-17

Frequency level detecting method

#24
20110057690
2011-03-10

Clock control circuit and transmitter

#25
20110038397
2011-02-17

Spread-spectrum generator

#26
20100296671
2010-11-25

System and method of changing a PWM power spectrum

#27
20100283525
2010-11-11

PHASE CONTROL DEVICE AND DATA COMMUNICATION SYSTEM USING IT

#28
20100244976
2010-09-30

Clock spreading systems and methods

#29
20100210230
2010-08-19

Method and apparatus for mitigation of unwanted signal components in complex sampling receiver

#30
20100188129
2010-07-29

Method and apparatus for applying clock phase and frequency offset

#31
20100164941
2010-07-01

SPREAD SPECTRUM CLOCKING INTERFACE APPARATUS OF FLAT PANEL DISPLAY

#32
20100102847
2010-04-29

Modulated supply spread spectrum

#33
20100098134
2010-04-22

METHOD AND APPARATUS FOR USING A SPREAD SPECTRUM INTERMEDIATE FREQUENCY CHANNEL WITHIN AN ELECTRONIC DEVICE

#34
20100054377
2010-03-04

SYSTEMS AND METHODS FOR SPURIOUS SIGNAL REDUCTION IN MULTI-MODE DIGITAL NAVIGATION RECEIVERS

#35
20100007390
2010-01-14

Clock generating circuit, power converting system, and related method with spread spectrum for EMI reduction

#36
20100007287
2010-01-14

Multi-channel driving circuit and driving method thereof

#37
20090296870
2009-12-03

Communication systems and clock generation circuits thereof with reference source switching

#38
20090268858
2009-10-29

DUAL CLOCK SPREAD FOR LOW CLOCK EMISSIONS WITH RECOVERY

#39
20090243688
2009-10-01

System and method of changing a PWM power spectrum

#40
20090170462
2009-07-02

Method for Attenuating a High Frequency Emission From a Clocked System

#41
20090160493
2009-06-25

System and Method for Generating a Spread-Spectrum Clock Signal

#42
20090134945
2009-05-28

Clock generator

#43
20090086875
2009-04-02

Digital spread spectrum method based on precise phase delta-sigma algorithm

#44
20090086867
2009-04-02

Method and system for multi-point signal generation with phase synchronized local carriers

#45
20090080583
2009-03-26

Adaptive control of clock spread to mitigate radio frequency interference

#46
20090074030
2009-03-19

Method of characterizing parameters and removing spectral components of a spread spectrum clock in a communications signal

#47
20080278254
2008-11-13

Frequency modulator

#48
20080260019
2008-10-23

Burst oscillation device, burst oscillation method, and ranging/communication system

#49
20080252392
2008-10-16

Discrete dithered frequency pulse width modulation

#50
20080238506
2008-10-02

Semiconductor memory device using modulation clock signal and method for operating the same

#51
20080224741
2008-09-18

Waveform generating circuit and spread spectrum clock generator

#52
20080186087
2008-08-07

Method and apparatus for reducing electromagnetic interference

#53
20080159447
2008-07-03

Method and apparatus for reducing intra-device interference

#54
20080157894
2008-07-03

Method and apparatus for frequency modulating a periodic signal of varying duty cycle

#55
20080089434
2008-04-17

Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (UTP) applications

#56
20080084918
2008-04-10

Spread spectrum verification circuit

#57
20080080655
2008-04-03

PRECISE FREQUENCY RAIL TO RAIL SPREAD SPECTRUM GENERATION

#58
20080063130
2008-03-13

Asymmetry triangular frequency modulation profiles for spread spectrum clock generations

#59
20080037613
2008-02-14

Spread spectrum clock generator and method

#60
20080012611
2008-01-17

Clock Generator Circuit With Spectrum Spreading

#61
20070290894
2007-12-20

Circuit and method for reducing electromagnetic interference

#62
20070257718
2007-11-08

Spectrum spreaders including tunable filters and related devices and methods

#63
20070211819
2007-09-13

All digital implementation of clock spectrum spreading (dither) for low power/die area

#64
20070206659
2007-09-06

Spread spectrum block control apparatus and spread spectrum clock generating apparatus

#65
20070201353
2007-08-30

Computational circuits and methods for processing modulated signals having non-constant envelopes

#66
20070141992
2007-06-21

Interference mitigation by adjustment of interconnect transmission characteristics

#67
20070133999
2007-06-14

Low emission signal generator and distributor system

#68
20070098047
2007-05-03

Wireless communication apparatus

#69
20070091982
2007-04-26

Clock signal controlling device

#70
20070063755
2007-03-22

Method and apparatus for generating spread spectrum clock signals having harmonic emission suppressions

#71
20070025419
2007-02-01

All digital implementation of clock spectrum spreading (dither) for low power/die area

#72
20070019711
2007-01-25

Spread spectrum clock generator having an adjustable delay line

#73
20070008018
2007-01-11

Waveform generating circuit and spread spectrum clock generator

#74
20060268958
2006-11-30

Methods and apparatus for spread spectrum generation using a voltage controlled delay loop

#75
20060238950
2006-10-26

Inductive load driving device

#76
20060181321
2006-08-17

Systems and methods for minimizing harmonic interference

#77
20060176934
2006-08-10

Serial transmission of data using spread-spectrum modulation for enhancing electromagnetic compatibility

#78
20060176933
2006-08-10

Clock generating method and clock generating circuit

#79
20060159157
2006-07-20

Digital spread spectrum clock signal generation

#80
20060140286
2006-06-29

Electric power switching apparatus providing reduced degree of noise interference with radio communication

#81
20060076997
2006-04-13

Spread spectrum clock generating apparatus

#82
20060072658
2006-04-06

Spread frequency spectrum waveform generating circuit

#83
20060066369
2006-03-30

Wideband spread spectrum clock

#84
20060056562
2006-03-16

Spread spectrum clock generator and method of generating spread spectrum clock

#85
20060056491
2006-03-16

Spread spectrum clock generator

#86
20060056490
2006-03-16

Spread spectrum clock generator and method of generating spread spectrum clock

#87
20050281315
2005-12-22

Spread spectrum verification circuit

#88
20050265499
2005-12-01

Hardware assisted adjacent channel leakage ratio measurement

#89
20050259722
2005-11-24

Wireless clock system

#90
20050253636
2005-11-17

PWM controller having frequency jitter for power supplies

#91
20050243894
2005-11-03

Methods and circuits for frequency modulation that reduce the spectral noise of switching regulators

#92
20050232372
2005-10-20

Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (UTP) applications

#93
20050135505
2005-06-23

Frequency modulation circuit

#94
20050134335
2005-06-23

Phase-locked loop having a spread spectrum clock generator

#95
20050127975
2005-06-16

Spread spectrum clock generating circuit

#96
20050063503
2005-03-24

Digital clock modulator

#97
20050053120
2005-03-10

Spread spectrum clock generator

#98
20050028020
2005-02-03

Spread spectrum clocking for data transfer bus loading

#99
20050013343
2005-01-20

Spread-spectrum clock signal generator

#100
20050008113
2005-01-13

Spread spectrum clock generator and integrated circuit device using the spread spectrum clock generators

#101
13341847
2015-03-17

Spread spectrum oscillator