ClassID:

224157

H04B2215/064 - CPC Classification

Classification description:

Reducing interference at the transmission system level Reduction of clock or synthesizer reference frequency harmonics

Sub-classes:
Recent Application in this class:
#1
20230378982
2023-11-23

Local oscillator leakage reporting

#2
20210320686
2021-10-14

Detecting distortion in spread spectrum signals

#3
20200266895
2020-08-20

Long-distance RF frequency and time transfer

#4
20190020426
2019-01-17

Apparatus and method of detection of image interference in a radio frequency receiver

#5
20180158386
2018-06-07

Display interference mitigation systems and methods

#6
20160112146
2016-04-21

Circuit providing harmonic response rejection for a frequency mixer

#7
20150139376
2015-05-21

Signal propagation system and method of reducing electromagnetic radiation emissions caused by communication of timing information

#8
20150103877
2015-04-16

Electro-magnetic interference reduction for switched signal systems

#9
20140256279
2014-09-11

Partitioned radio-frequency apparatus and associated methods

#10
20130208832
2013-08-15

Partitioned radio-frequency apparatus and associated methods

#11
20120274367
2012-11-01

Front-end transceiver

#12
20120250809
2012-10-04

Radio frequency (RF) receiver with dynamic frequency planning and method therefor

#13
20120250745
2012-10-04

SYSTEM AND METHOD FOR RF INTERFERENCE MITIGATION THROUGH MEMORY CLOCK FREQUENCY CONTROL

#14
20120093196
2012-04-19

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

#15
20120063552
2012-03-15

Electro-magnetic interference reduction for switched signal systems

#16
20110268164
2011-11-03

RF digital spur reduction

#17
20110268163
2011-11-03

RF digital spur reduction

#18
20110241919
2011-10-06

System and method for generating shaped noise

#19
20110230158
2011-09-22

Partitioned radio-frequency apparatus and associated methods

#20
20110151819
2011-06-23

Radio frequency (RF) receiver with dynamic frequency planning and method therefor

#21
20110115537
2011-05-19

Circuit devices and methods for re-clocking an input signal

#22
20110075721
2011-03-31

Broadcast wave receiving system

#23
20110038397
2011-02-17

Spread-spectrum generator

#24
20110034132
2011-02-10

Systems and Methods for Minimizing Electromagnetic Interface

#25
20110022875
2011-01-27

Integrated circuit with interpolation to avoid harmonic interference

#26
20110018622
2011-01-27

Simple noise control method

#27
20100302216
2010-12-02

PORTABLE DEVICE

#28
20100167684
2010-07-01

Quadrature signal generation in radio-frequency apparatus and associated methods

#29
20100166124
2010-07-01

Digital architecture for radio-frequency apparatus and associated methods

#30
20100137025
2010-06-03

Distributed coexistence system for interference mitigation in a single chip radio or multi-radio communication device

#31
20100069011
2010-03-18

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

#32
20090253391
2009-10-08

Frequency planning for switching devices for multi-band broadcast radios

#33
20090237107
2009-09-24

Circuit having an active clock shielding structure and semiconductor intergrated circuit including the same

#34
20090191815
2009-07-30

Electrical circuits with reconfigurable interferer signal routing

#35
20090154615
2009-06-18

INTEGRATED CIRCUIT FOR PROCESSING MULTI-CHANNEL RADIO SIGNAL

#36
20090011724
2009-01-08

Radio telecommunication terminal and a method of decreasing perturbations within this terminal

#37
20080159447
2008-07-03

Method and apparatus for reducing intra-device interference

#38
20080146165
2008-06-19

DYNAMIC FREQUENCY SYNTHESIZER PROGRAMMING

#39
20080139157
2008-06-12

Partitioned radio-frequency apparatus and associated methods

#40
20080039162
2008-02-14

Sidetone generation for a wireless system that uses time domain isolation

#41
20080036636
2008-02-14

Reduced noise radio frequency integrated circuit

#42
20080025380
2008-01-31

Integrated circuit with interpolation to avoid harmonic interference

#43
20070263756
2007-11-15

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

#44
20070257718
2007-11-08

Spectrum spreaders including tunable filters and related devices and methods

#45
20070254599
2007-11-01

Wireless communication device and data interface

#46
20070211819
2007-09-13

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

#47
20070206659
2007-09-06

Spread spectrum block control apparatus and spread spectrum clock generating apparatus

#48
20070165747
2007-07-19

Digital clock controller, radio receiver, and methods for use therewith

#49
20070133999
2007-06-14

Low emission signal generator and distributor system

#50
20070116147
2007-05-24

Radio receiver, system on a chip integrated circuit and methods for use therewith

#51
20070025419
2007-02-01

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

#52
20070014556
2007-01-18

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

#53
20070009067
2007-01-11

Methods and apparatus for radio frequency interference reduction

#54
20070004339
2007-01-04

Signal spectrum steering method, apparatus, and system

#55
20060252402
2006-11-09

Radio frequency integrated circuit with noise immunity border

#56
20060181321
2006-08-17

Systems and methods for minimizing harmonic interference

#57
20060176934
2006-08-10

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

#58
20060166622
2006-07-27

Detecting wireless noise within time period in which no data is purposefully wirelessly communicated

#59
20060160512
2006-07-20

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

#60
20060141973
2006-06-29

Digital architecture for radio-frequency apparatus and associated methods

#61
20060140286
2006-06-29

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

#62
20060093019
2006-05-04

RF band clock spur harmonic canceller

#63
20060076997
2006-04-13

Spread spectrum clock generating apparatus

#64
20060066369
2006-03-30

Wideband spread spectrum clock

#65
20060057970
2006-03-16

System and method for reducing the effects of clock harmonic frequencies

#66
20060018372
2006-01-26

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

#67
20050286662
2005-12-29

Low noise circuit and applications thereof

#68
20050277394
2005-12-15

Semiconductor integrated circuit device with noise reduction function

#69
20050266818
2005-12-01

Television receiver suitable for multi-standard operation and method therefor

#70
20050265499
2005-12-01

Hardware assisted adjacent channel leakage ratio measurement

#71
20050259722
2005-11-24

Wireless clock system

#72
20050255881
2005-11-17

Portable telephone apparatus with camera

#73
20050253636
2005-11-17

PWM controller having frequency jitter for power supplies

#74
20050136879
2005-06-23

Radio frequency integrated circuit having reduced receiver noise levels

#75
20050136878
2005-06-23

Radio frequency integrated circuit layout with noise immunity border

#76
20050134335
2005-06-23

Phase-locked loop having a spread spectrum clock generator

#77
20050127975
2005-06-16

Spread spectrum clock generating circuit

#78
20050063503
2005-03-24

Digital clock modulator

#79
20050008095
2005-01-13

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

#80
20050003762
2005-01-06

Partitioned radio-frequency apparatus and associated methods

#81
14965535
2017-05-30

Time varying notch filter

#82
14642933
2016-01-12

Calibration circuit and methods for calibrating harmonics in a mixer