ClassID:

223998

H04B15/04 - CPC Classification

Classification description:

Suppression or limitation of noise or interference; Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder

Sub-classes:
Recent Application in this class:
#1
20250030489
2025-01-23

REDUCTION OF INTERFERENCE CAUSED BY DOWNLINK AGGRESSORS

#2
20240243477
2024-07-18

WIRELESS COMMUNICATION TECHNOLOGY, APPARATUSES, AND METHODS

#3
20230145401
2023-05-11

Wireless communication technology, apparatuses, and methods

#4
20220384956
2022-12-01

Wireless communication technology, apparatuses, and methods

#5
20220149957
2022-05-12

Systems and methods for improving radio frequency integrated circuits

#6
20220045704
2022-02-10

Electronic device for removing self-interference signal and method of operating the same

#7
20210058165
2021-02-25

Wireless data transmission

#8
20200314867
2020-10-01

Method and/or system for reducing uplink interference

#9
20200228210
2020-07-16

Automated analysis of RF spectrum

#10
20200225694
2020-07-16

Methods and devices for counting a service duration for a spread clock signal and determining or generating an actual time duration

#11
20200145047
2020-05-07

Method and apparatus for switching transmission mediums in a communication system

#12
20200091608
2020-03-19

Wireless communication technology, apparatuses, and methods

#13
20200044898
2020-02-06

Technique for crosstalk reduction

#14
20190245631
2019-08-08

Method for reducing operation for removing self-interference in FDR environment and device therefor

#15
20190115987
2019-04-18

Method for suppressing local oscillator leakage in microwave chip and apparatus thereof

#16
20190115986
2019-04-18

SWITCH MODE DIRECT CURRENT-TO-DIRECT CURRENT (DC-to-DC) CONVERTERS WITH REDUCED SPURIOUS NOISE EMISSION

#17
20190097674
2019-03-28

Device and method for reducing the self interference signal in a full-duplex communication system

#18
20190089409
2019-03-21

Waveguide and transceiver interference mitigation

#19
20190079555
2019-03-14

Methods and devices for counting a service duration for a spread clock signal and determining or generating an actual time duration

#20
20190069302
2019-02-28

Method and/or system for reducing uplink interference

#21
20190058479
2019-02-21

Clock generator

#22
20190052306
2019-02-14

Spread-spectrum modulated clock signal

#23
20190028087
2019-01-24

Filter circuit

#24
20180376258
2018-12-27

Hearing device with suppression of comb filtering effect

#25
20180331769
2018-11-15

Apparatus for reducing a magnetic coupling between a first electronic circuit and a second electronic circuit

#26
20180269924
2018-09-20

Spread spectrum clock generator, pattern generator, spread spectrum clock generation method, and pattern generation method

#27
20180248519
2018-08-30

Method and apparatus for broadband data conversion

#28
20180234191
2018-08-16

Method and apparatus for reducing interference from mobile industry processor interface to communication quality

#29
20180183634
2018-06-28

Technique for crosstalk reduction

#30
20180159544
2018-06-07

Spread spectrum clock generator

#31
20180145716
2018-05-24

Wireless circuit-mounted electronic apparatus

#32
20180138991
2018-05-17

Method and Apparatus for Preventing Camera from Interfering with Antenna, and Electronic Device

#33
20180130492
2018-05-10

Method for transmitting and/or receiving audio signals

#34
20180102800
2018-04-12

Active differential resistors with reduced noise

#35
20180083718
2018-03-22

System and method for cancelling phase noise induced by antenna vibration

#36
20180050571
2018-02-22

Vehicular communication system and in-vehicle communication apparatus

#37
20170366279
2017-12-21

Signal detection device, wireless communication device, and wireless communication terminal

#38
20170324485
2017-11-09

Multi-band combiner with PIM detection

#39
20170310356
2017-10-26

Clock control circuit, demodulation device and spread spectrum method

#40
20170124826
2017-05-04

Arrangement, system and method for reducing the effect of interference at radio frequencies in an electronic price label system

#41
20170104393
2017-04-13

Noise suppression circuit

#42
20170093459
2017-03-30

Calibration for spread spectrum clock generator and method therefor

#43
20170068289
2017-03-09

Shielding via display chassis

#44
20170048089
2017-02-16

Technique for crosstalk reduction

#45
20170012768
2017-01-12

Method and apparatus for cancellation of interference from a spread spectrum phase lock loop

#46
20160381820
2016-12-29

Electronic device having a waterproof structure

#47
20160370746
2016-12-22

Signal level, adjustment apparatus, phase detection apparatus, motor drive controller, conveyer, image forming apparatus, and signal level adjustment method

#48
20160366652
2016-12-15

Communication apparatus and control method

#49
20160329926
2016-11-10

Devices and methods for diversity signal enhancement and cosite cancellation

#50
20160322994
2016-11-03

Mobile wireless communications device providing enhanced interference mitigation from wireline transmitter and related methods

#51
20160292426
2016-10-06

Method and apparatus for scrambling a high speed data transmission

#52
20160241280
2016-08-18

Method and apparatus to avoid noise figure degradation of a wireless receiver by a blocker

#53
20160232938
2016-08-11

Method for transmitting and/or receiving audio signals

#54
20160191284
2016-06-30

Clock signal generating apparatus, clock signal generating method, and medium

#55
20160164569
2016-06-09

Frequency conversion system with improved spurious response and frequency agility

#56
20160142161
2016-05-19

Receiver, receiving method for receiving RF signal in superheterodyne system

#57
20160100455
2016-04-07

Multi-carrier base station receiver

#58
20160099729
2016-04-07

APPARATUS AND METHOD FOR QUADRUPLING FREQUENCY OF REFERENCE CLOCK

#59
20160087673
2016-03-24

CANCELLATION CIRCUITS AND TRANSCEIVER CIRCUITS TO SUPPRESS INTERFERENCE

#60
20160043813
2016-02-11

Via density in radio frequency shielding applications

#61
20160028495
2016-01-28

Radiofrequency communication device using a TORP signal

#62
20150365179
2015-12-17

Dynamically adaptive frequency adjustments

#63
20150358146
2015-12-10

Apparatus and design method

#64
20150331656
2015-11-19

Systems and methods for reducing digital interference of external signals

#65
20150327387
2015-11-12

Electronic device having a waterproof structure

#66
20150326261
2015-11-12

Method of supporting multi-frequency bands and electronic device supporting the same

#67
20150304100
2015-10-22

Method and apparatus for cancellation of interference from a spread spectrum phase lock loop

#68
20150295600
2015-10-15

Mobile wireless communications device providing enhanced interference mitigation from wireline transmitter and related methods

#69
20150244410
2015-08-27

Method and apparatus for incorporating passive devices in an integrated passive device separate from a die

#70
20150227664
2015-08-13

Method of optimizing the design of an electronic device with respect to electromagnetic emissions based on frequency spreading introduced by software, computer program product for carrying out the method and associated article of manufacture

#71
20150216091
2015-07-30

Shield can of mobile terminal

#72
20150171918
2015-06-18

Spread spectrum clock generator and method for generating spread spectrum clock signal

#73
20150141068
2015-05-21

Power control

#74
20150134863
2015-05-14

Decreasing USB interference to adjacent wireless device

#75
20150126139
2015-05-07

Via placement in radio frequency shielding applications

#76
20150124914
2015-05-07

Spur cancellation systems and related methods

#77
20150119102
2015-04-30

Communication module

#78
20150118982
2015-04-30

Radio with a switched mode power supply

#79
20150077165
2015-03-19

Method and apparatus for avoiding spurs in chip

#80
20150072623
2015-03-12

Systems and methods for reducing transmission interference

#81
20150003654
2015-01-01

Hearing aid compatible mobile electronic device

#82
20140364071
2014-12-11

Communication device

#83
20140362820
2014-12-11

Interference suppression method and apparatus

#84
20140329482
2014-11-06

Apparatus and a method for handling a received signal, and a mixer unit

#85
20140328223
2014-11-06

Semiconductor device and high-frequency module

#86
20140327638
2014-11-06

Method for controlling operation of touch panel and portable terminal supporting the same

#87
20140321570
2014-10-30

Technique for crosstalk reduction

#88
20140273899
2014-09-18

Communication device

#89
20140269863
2014-09-18

Transmitter LO leakage calibration scheme using loopback circuitry

#90
20140269844
2014-09-18

Apparatus for correcting signal, transmission apparatus, method of correcting signal, and transmission system

#91
20140256279
2014-09-11

Partitioned radio-frequency apparatus and associated methods

#92
20140226770
2014-08-14

Transmitter, receiver, method for transmitting and method for receiving

#93
20140213210
2014-07-31

Method and device for implementing radio frequency coexistence management strategy in wireless devices

#94
20140162712
2014-06-12

System providing reduced intermodulation distortion

#95
20140148109
2014-05-29

Method and apparatus for minimizing local oscillator leakage in a transmitter

#96
20140106582
2014-04-17

System interconnect for integrated circuits

#97
20140103708
2014-04-17

Electric power transmission apparatus for vehicle

#98
20140092578
2014-04-03

Shield can of mobile terminal

#99
20140080427
2014-03-20

System-level adaptive minimization of interference in multi-function radios

#100
20140079042
2014-03-20

Radio frequency interference shield

#101
20140029646
2014-01-30

Disabling spread-spectrum clock signal generation

#102
20140016679
2014-01-16

Adaptive clock spreading for platform RFI mitigation

#103
20140008969
2014-01-09

Vehicular power transmission device

#104
20130324069
2013-12-05

Via density and placement in radio frequency shielding applications

#105
20130285757
2013-10-31

Control circuit for reducing electromagnetic interference

#106
20130265117
2013-10-10

RF AND HIGH-SPEED DATA CABLE

#107
20130257671
2013-10-03

Wireless security device

#108
20130241600
2013-09-19

Random spread spectrum modulation

#109
20130223430
2013-08-29

Apparatus and method for reducing TDMA noise in terminal

#110
20130210364
2013-08-15

Methods for mitigating effects of radio-frequency interference

#111
20130208832
2013-08-15

Partitioned radio-frequency apparatus and associated methods

#112
20130200250
2013-08-08

System and method of electromagnetic radiation control

#113
20130196609
2013-08-01

Process for achieving spur mitigation in an integrated circuit including a wide band receiver

#114
20130194939
2013-08-01

TRANSCEIVER

#115
20130190038
2013-07-25

Electronic device with dynamic amplifier linearity control

#116
20130182747
2013-07-18

Clock control circuit, demodulation device and spread spectrum method

#117
20130156078
2013-06-20

Cost-effective linearization for wireless communication

#118
20130150018
2013-06-13

Enhanced discontinuous mode operation with shared radio frequency resources

#119
20130122958
2013-05-16

Process and apparatus for reducing EMI in the RF subsystem of a wireless communication system

#120
20130093478
2013-04-18

Differentiator based spread spectrum modulator

#121
20130058388
2013-03-07

Wireless communications device with impairment compensation and associated methods

#122
20130058387
2013-03-07

Wireless communications device with performance monitoring and associated methods

#123
20130052971
2013-02-28

Interference reduction systems and methods

#124
20130029626
2013-01-31

Direct conversion receiver and calibration method thereof

#125
20130028244
2013-01-31

Method and apparatus for adaptive mitigation of noise interference

#126
20130021955
2013-01-24

Circulator tuning for reduced intermodulation distortion in a wireless communication device

#127
20120328049
2012-12-27

Method and device for sending signals between a radio frequency circuit and a baseband circuit

#128
20120321024
2012-12-20

Method and system to adaptively cancel sinusoidal interference from a signal processing system

#129
20120321002
2012-12-20

Transmitting device, receiving device and transmitting/receiving system

#130
20120308013
2012-12-06

Method and apparatus for reducing TDMA noise in mobile communication terminal

#131
20120274367
2012-11-01

Front-end transceiver

#132
20120250775
2012-10-04

Transmitter, receiver, method for transmitting and method for receiving

#133
20120189086
2012-07-26

SerDes jitter tolerance BIST in production loopback testing with enhanced spread spectrum clock generation circuit

#134
20120188450
2012-07-26

Whip antenna for mobile communication devices

#135
20120163518
2012-06-28

Method and apparatus for broadband data conversion

#136
20120163042
2012-06-28

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

#137
20120147878
2012-06-14

Wireless communication device

#138
20120146928
2012-06-14

Method for controlling operation of touch panel and portable terminal supporting the same

#139
20120093199
2012-04-19

Method and apparatus for de-spreading a spread-spectrum audio/video signal

#140
20120093196
2012-04-19

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

#141
20120040628
2012-02-16

Transceiver with Interferer Control

#142
20120033720
2012-02-09

Digital interface between a RF and baseband circuit and process for controlling such interface

#143
20110312287
2011-12-22

Operating a voltage regulator at a switching frequency selected to reduce spurious signals

#144
20110306367
2011-12-15

Multiprotocol interference avoidance in monoprotocol radio communications system

#145
20110300874
2011-12-08

SYSTEM AND METHOD FOR REMOVING TDMA AUDIO NOISE

#146
20110268164
2011-11-03

RF digital spur reduction

#147
20110248937
2011-10-13

Electronic device and recording medium

#148
20110241919
2011-10-06

System and method for generating shaped noise

#149
20110230158
2011-09-22

Partitioned radio-frequency apparatus and associated methods

#150
20110176587
2011-07-21

Method of reducing emission of electromagnetic radiation on high speed communication backplane

#151
20110155445
2011-06-30

Shield can of mobile terminal

#152
20110134334
2011-06-09

Systems and methods providing spur avoidance in a direct conversion tuner architecture

#153
20110115537
2011-05-19

Circuit devices and methods for re-clocking an input signal

#154
20110057690
2011-03-10

Clock control circuit and transmitter

#155
20110044019
2011-02-24

Electromagnetic shield structure, wireless device using the structure, and method of manufacturing electromagnetic shield

#156
20110028163
2011-02-03

Onboard radio communication system

#157
20110018622
2011-01-27

Simple noise control method

#158
20110014890
2011-01-20

Dynamic selection of oscillation signal frequency for power converter

#159
20110009161
2011-01-13

Using LO shifting to prevent a local transceiver from interfering with an FM radio

#160
20100316089
2010-12-16

Frequency selection method to mitigate in-band interference from inter-modulation spur of the collocated radio transmitter

#161
20100309955
2010-12-09

Mitigating noise created by spread spectrum clocks

#162
20100201511
2010-08-12

Method and systems to facilitate reducing interference between RF signals

#163
20100188129
2010-07-29

Method and apparatus for applying clock phase and frequency offset

#164
20100167684
2010-07-01

Quadrature signal generation in radio-frequency apparatus and associated methods

#165
20100166124
2010-07-01

Digital architecture for radio-frequency apparatus and associated methods

#166
20100111146
2010-05-06

COMMUNICATION DEVICE AND COMMUNICATION SYSTEM

#167
20100069085
2010-03-18

Method and system for sharing a clock reference signal within an integrated mobile device

#168
20100069011
2010-03-18

Methods and Apparatus For Self-Jamming Suppression In A Radio Frequency Identification (RFID) Reader

#169
20100027585
2010-02-04

Spread spectrum clocking with transmitted modulation

#170
20100007742
2010-01-14

HIGH FREQUENCY RECEIVER AND HIGH FREQUENCY DEVICE USING THE SAME

#171
20090323768
2009-12-31

Spread spectrum clock signal generator

#172
20090213974
2009-08-27

Method for agile region and band conscious frequency planning for wireless transceivers

#173
20090138745
2009-05-28

Electronic devices with radio-frequency collision resolution capabilities

#174
20090080498
2009-03-26

Adaptive radio frequency interference mitigation during channel scanning or hopping

#175
20090015215
2009-01-15

Dynamic selection of oscillation signal frequency for power converter

#176
20080265968
2008-10-30

Clock frequency diffusing device

#177
20080260019
2008-10-23

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

#178
20080240313
2008-10-02

Closed loop adaptive clock RFI mitigation

#179
20080198945
2008-08-21

REDUCED EMI DEVICE AND METHOD THEREOF

#180
20080198238
2008-08-21

Image forming apparatus and method of controlling the same

#181
20080166979
2008-07-10

System and method for controlling control unit drive frequency

#182
20080159447
2008-07-03

Method and apparatus for reducing intra-device interference

#183
20080139157
2008-06-12

Partitioned radio-frequency apparatus and associated methods

#184
20080139155
2008-06-12

Techniques to reduce radio frequency noise

#185
20080089444
2008-04-17

Power conversion control apparatus and power conversion control method

#186
20080088363
2008-04-17

Noise reduction circuits

#187
20080037613
2008-02-14

Spread spectrum clock generator and method

#188
20080036636
2008-02-14

Reduced noise radio frequency integrated circuit

#189
20070297521
2007-12-27

Mitigation of interference from periodic noise

#190
20070268170
2007-11-22

System and Method for Spur Cancellation

#191
20070263756
2007-11-15

MOBILE COMMUNICATION TERMINAL HAVING CLOCK CONTROL FUNCTION AND CLOCK CONTROL METHOD FOR THE SAME

#192
20070257718
2007-11-08

Spectrum spreaders including tunable filters and related devices and methods

#193
20070224940
2007-09-27

Reducing electromagnetic interferences

#194
20070216488
2007-09-20

Spread spectrum modulation of a clock signal for reduction of electromagnetic interference

#195
20070211819
2007-09-13

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

#196
20070206659
2007-09-06

Spread spectrum block control apparatus and spread spectrum clock generating apparatus

#197
20070194817
2007-08-23

Spread-spectrum clocking

#198
20070143642
2007-06-21

Circui and method for reducing interference from switched mode circuits

#199
20070133999
2007-06-14

Low emission signal generator and distributor system

#200
20070117434
2007-05-24

Circuit arrangement and method for reducing electromagnetic interference

#201
20070040635
2007-02-22

Device for non-contacting transmission of electrical signals between two relatively moving parts, with reduced perturbing radiation

#202
20070025419
2007-02-01

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

#203
20070014556
2007-01-18

Communications devices including integrated digital cameras operating at different frequencies and related methods

#204
20070007356
2007-01-11

Substantially planar discontinuous business communication assembly having laser abraded recessed areas

#205
20060252402
2006-11-09

Radio frequency integrated circuit with noise immunity border

#206
20060238950
2006-10-26

Inductive load driving device

#207
20060223452
2006-10-05

Microcontroller

#208
20060181321
2006-08-17

Systems and methods for minimizing harmonic interference

#209
20060176934
2006-08-10

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

#210
20060171415
2006-08-03

Electronic system for vehicles and a method for reducing the electromagnetic interference on electronic systems in vehicles

#211
20060160512
2006-07-20

Frequency modification circuitry for use in radio-frequency communication apparatus and associated methods

#212
20060141973
2006-06-29

Digital architecture for radio-frequency apparatus and associated methods

#213
20060140286
2006-06-29

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

#214
20060087461
2006-04-27

System and method for spur cancellation

#215
20060076997
2006-04-13

Spread spectrum clock generating apparatus

#216
20060066369
2006-03-30

Wideband spread spectrum clock

#217
20060057970
2006-03-16

System and method for reducing the effects of clock harmonic frequencies

#218
20060023874
2006-02-02

Method and multiline scrambled clock architecture with random state selection for implementing lower electromagnetic emissions

#219
20060018372
2006-01-26

Apparatus for controlling a digital signal processor for radio isolation and associated methods

#220
20060004938
2006-01-05

Communication apparatus including dual timer units

#221
20060003724
2006-01-05

System and method for reducing noise in a recording receiver

#222
20050286662
2005-12-29

Low noise circuit and applications thereof

#223
20050266818
2005-12-01

Television receiver suitable for multi-standard operation and method therefor

#224
20050265499
2005-12-01

Hardware assisted adjacent channel leakage ratio measurement

#225
20050259722
2005-11-24

Wireless clock system

#226
20050255881
2005-11-17

Portable telephone apparatus with camera

#227
20050253636
2005-11-17

PWM controller having frequency jitter for power supplies

#228
20050243894
2005-11-03

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

#229
20050136879
2005-06-23

Radio frequency integrated circuit having reduced receiver noise levels

#230
20050136878
2005-06-23

Radio frequency integrated circuit layout with noise immunity border

#231
20050134335
2005-06-23

Phase-locked loop having a spread spectrum clock generator

#232
20050127975
2005-06-16

Spread spectrum clock generating circuit

#233
20050105592
2005-05-19

Reduced EMI using multiple noise sources

#234
20050105590
2005-05-19

Reduction EMI using transmission offsets

#235
20050100080
2005-05-12

Reduced EMI in parallel transmissions

#236
20050084021
2005-04-21

Reduced EMI device and method thereof

#237
20050063503
2005-03-24

Digital clock modulator

#238
20050018942
2005-01-27

Electric apparatus including receiver

#239
20050008113
2005-01-13

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

#240
20050008095
2005-01-13

Apparatus using interrupts for controlling a processor for radio isolation and associated methods

#241
20050003762
2005-01-06

Partitioned radio-frequency apparatus and associated methods

#242
15002780
2017-06-13

System and method for transmitting ancillary data

#243
14108806
2016-05-03

System and method for transmitting ancillary data

#244
13341847
2015-03-17

Spread spectrum oscillator