ClassID:

218597

H03B1/04 - CPC Classification

Classification description:

Details Reducing undesired oscillations, e.g. harmonics

Recent Application in this class:
#1
20260019033
2026-01-15

Systems and Methods for Suppressing Noise-Induced Phase Diffusion

#2
20250364949
2025-11-27

LOCAL OSCILLATOR AMPLIFICATION WITH REDUCED HARMONIC GENERATION

#3
20250337357
2025-10-30

PHASE NOISE REDUCTION FOR VOLTAGE-CONTROLLED OSCILLATOR USING HARMONIC FILTER

#4
20250266792
2025-08-21

LOW NOISE CRYSTAL OSCILLATOR

#5
20250007459
2025-01-02

VOLTAGE CONTROLLED OSCILLATOR AND METHOD

#6
20230378910
2023-11-23

Band-pass filter and method

#7
20230336162
2023-10-19

Reference clock frequency correction by mixing with digitally-controlled low-frequency compensation signal

#8
20230332625
2023-10-19

HARMONIC ELIMINATION CIRCUIT, POSITION DETECTION DEVICE, MAGNETIC BEARING DEVICE AND VACUUM PUMP

#9
20220263464
2022-08-18

Oscillator circuit and device

#10
20220255504
2022-08-11

Differential oscillator circuit

#11
20220171182
2022-06-02

Method and processing unit for activating at least one drive unit of at least one deflection unit of a microscanner device

#12
20210320622
2021-10-14

Inductor-capacitor oscillator with embedded second harmonic filter and associated dual core oscillator

#13
20210234508
2021-07-29

Oscillator circuit and device

#14
20210167728
2021-06-03

Oscillator circuit, device, and method

#15
20200412390
2020-12-31

Radio frequency circuits and methods of processing radio frequency signals

#16
20200274485
2020-08-27

Pullable clock oscillator

#17
20200195259
2020-06-18

LOW JITTER DIGITAL PHASE LOCK LOOP WITH A NUMERICALLY-CONTROLLED BULK ACOUSTIC WAVE OSCILLATOR

#18
20200168987
2020-05-28

Neutralization of Environmental Influences on the Transmitting Parameters

#19
20200083842
2020-03-12

Variable frequency oscillator circuits and methods of generating an oscillating signal of a desired frequency

#20
20200007080
2020-01-02

Voltage controlled oscillator circuit, device, and method

#21
20190377076
2019-12-12

Phase preset for fast chirp PLL

#22
20190305724
2019-10-03

Sensor communication control considering EMC compliance for restraint control module

#23
20190278231
2019-09-12

Atomic oscillator and frequency signal generation system

#24
20190229678
2019-07-25

Reducing Duration of Start-up Period for a Crystal Oscillator Circuit

#25
20190222174
2019-07-18

Quartz crystal resonator, quartz crystal unit, and quartz crystal oscillator

#26
20190199363
2019-06-27

Master/slave frequency locked loop

#27
20190110127
2019-04-11

AUDIO CLOCKING APPARATUS, SYSTEM, AND METHOD

#28
20190097577
2019-03-28

Multi-stage oscillator with current voltage converters

#29
20190081594
2019-03-14

Techniques and apparatuses for mitigating voltage controlled oscillator frequency disturbance

#30
20180351507
2018-12-06

Resonant clock circuit with magnetic shield

#31
20180351506
2018-12-06

Resonant clock circuit with magnetic shield

#32
20180316294
2018-11-01

Systems and methods for reducing effects of torsional oscillation for electrical power generation

#33
20180269830
2018-09-20

Voltage-controlled oscillator and phase locked loop circuit with such voltage-controlled oscillator

#34
20180198411
2018-07-12

Reducing duration of start-up period for a crystal oscillator circuit

#35
20180183424
2018-06-28

Enhanced resonant circuit amplifier

#36
20180175792
2018-06-21

Radio frequency (RF) devices with resonant circuits to reduce coupling

#37
20180159470
2018-06-07

Crystal (xtal) oscillator with high interference immunity

#38
20180138859
2018-05-17

Film bulk acoustic resonator oscillators and gas sensing systems using the same

#39
20180123512
2018-05-03

Oscillator

#40
20180113193
2018-04-26

Radar transceiver with phase noise cancellation

#41
20180108641
2018-04-19

High frequency integrated circuit and emitting device for irradiating the integrated circuit

#42
20180097475
2018-04-05

Method and apparatus for reconfigurable multicore oscillator

#43
20180091095
2018-03-29

Pullable clock oscillator

#44
20180076765
2018-03-15

Phase noise reduction techniques for voltage-controlled oscillators (VCOs)

#45
20170353156
2017-12-07

Oscillator circuit with low dropout regulator

#46
20170324484
2017-11-09

Method and device for mitigating interference due to a wireless charging signal

#47
20170324375
2017-11-09

Method to remove the effects of LO drift from vector network analyzer measurements

#48
20170310277
2017-10-26

Ultra-broadband switched inductor oscillator

#49
20170237397
2017-08-17

Oscillator phase noise using active device stacking

#50
20170201223
2017-07-13

Integrated circuit fields canceller system

#51
20170170784
2017-06-15

Oscillator scheme capable of reducing far-out phase noise and closed-in phase noise

#52
20170170783
2017-06-15

Coupled inductor-based resonator

#53
20170134030
2017-05-11

ALL-DIGITAL PHASE LOCK LOOP SPUR REDUCTION USING A CRYSTAL OSCILLATOR FRACTIONAL DIVIDER

#54
20170077871
2017-03-16

Improving oscillator phase noise using active device stacking

#55
20170070192
2017-03-09

APPARATUS AND METHODS FOR REDUCING SUPPLY NOISE CONVERSION TO PHASE NOISE

#56
20170040944
2017-02-09

Stable oscillator for use in an electronic circuit

#57
20170040941
2017-02-09

Injection-locked oscillator and method for controlling jitter and/or phase noise

#58
20170033767
2017-02-02

Unit, oscillator and electronic apparatus

#59
20160373857
2016-12-22

Audio clocking apparatus, system, and method

#60
20160359455
2016-12-08

Crystal (xtal) oscillator with high interference immunity

#61
20160218725
2016-07-28

Method and apparatus for synthesis of wideband low phase noise radio frequency signals

#62
20160211801
2016-07-21

Low Phase Noise Voltage Controlled Oscillators

#63
20160065129
2016-03-03

Quadrature LC VCO with passive coupling and phase combining network

#64
20150288402
2015-10-08

Wireless communication device

#65
20150214895
2015-07-30

Quantum interference unit, quantum interference device, atomic oscillator, electronic apparatus, and moving object

#66
20150188488
2015-07-02

NOISE REDUCTION IN MEMS OSCILLATORS AND RELATED APPARATUS AND METHODS

#67
20150171839
2015-06-18

Apparatus for reducing periodic jitter in a ring oscillator

#68
20150084708
2015-03-26

Low phase noise voltage controlled oscillators

#69
20140300423
2014-10-09

CLOCK GENERATING CIRCUIT HAVING PARASITIC OSCILLATION SUPPRESSING UNIT AND METHOD OF SUPPRESSING PARASITIC OSCILLATION USING THE SAME

#70
20140266329
2014-09-18

Frequency quadruplers at millimeter-wave frequencies

#71
20140251010
2014-09-11

Unit, oscillator and electronic apparatus

#72
20140197900
2014-07-17

Systems and methods for impedance switching

#73
20140152371
2014-06-05

High linearity mixer using a 33% duty cycle clock for unwanted harmonic suppression

#74
20140070898
2014-03-13

Low phase noise voltage controlled oscillators

#75
20140041454
2014-02-13

PIEZOELECTRIC RESONATOR, ETCHING AMOUNT DETECTING DEVICE, AND OSCILLATOR

#76
20130307613
2013-11-21

Method and apparatus of cancelling inductor coupling

#77
20130257508
2013-10-03

High linearity mixer using a 33% duty cycle clock for unwanted harmonic suppression

#78
20130176833
2013-07-11

Quartz crystal unit, quartz crystal oscillator and electronic apparatus

#79
20130176832
2013-07-11

Quartz crystal unit, quartz crystal oscillator and electronic apparatus

#80
20130169342
2013-07-04

Device and method for removing harmonic components

#81
20130102266
2013-04-25

Frequency converter and receiver that uses the frequency converter

#82
20130082788
2013-04-04

Low noise oscillator having passive impedance network

#83
20130063219
2013-03-14

Low noise oscillator having switching network

#84
20100301958
2010-12-02

Unit, oscillator having unit and electronic apparatus having oscillator

#85
20100117492
2010-05-13

Unit having resonator, oscillator having unit and electronic apparatus having unit

#86
20100090770
2010-04-15

Multiplying oscillator and wireless apparatus in which the same is installed

#87
20100033258
2010-02-11

Secondary vibration damping type crystal oscillator circuit

#88
20090174488
2009-07-09

Oscillation module

#89
20080309422
2008-12-18

Oscillator

#90
20080061892
2008-03-13

Single-electron injection/extraction device for a resonant tank circuit and method of operation thereof

#91
20070205838
2007-09-06

Oscillator coupling system

#92
20060273860
2006-12-07

Colpitts oscillator

#93
20060055480
2006-03-16

Oscillator arrangement having increased EMI robustness

#94
20060033586
2006-02-16

Low noise, hybrid tuned wideband voltage controlled oscillator

#95
16429299
2020-05-26

Low noise crystal oscillator and method thereof

#96
13931321
2015-01-13

Dynamic damping in a quartz oscillator

#97
13661663
2015-04-07

Timing oscillator having a non-linear MEMS resonator and related methods