ClassID:

218777

H03B2200/0088 - CPC Classification

Classification description:

Indexing scheme relating to details of oscillators covered by; Functional aspects of oscillators Reduction of noise

Sub-classes:
Recent Application in this class:
#1
20260128713
2026-05-07

OSCILLATOR CIRCUITS WITH FLICKER NOISE SUPPRESSION BY PHASE-SHIFTED SELF-INJECTION

#2
20260128712
2026-05-07

SWITCHABLE ACTIVE ELEMENT FOR INDUCTOR-CAPACITOR (LC) VOLTAGE CONTROLLED OSCILLATOR

#3
20250266792
2025-08-21

LOW NOISE CRYSTAL OSCILLATOR

#4
20250105786
2025-03-27

INDUCTOR-CAPACITOR VOLTAGE-CONTROLLED OSCILLATOR WITH COMMON-MODE NOISE SEPARATION

#5
20250105785
2025-03-27

INDUCTOR-CAPACITOR VOLTAGE-CONTROLLED OSCILLATOR WITH COMMON-MODE NOISE SEPARATION

#6
20240333213
2024-10-03

Clock jitter filter

#7
20240313704
2024-09-19

Circuit Device And Oscillator

#8
20240267000
2024-08-08

OSCILLATOR REGULATION

#9
20240223128
2024-07-04

PEAK DETECTION CIRCUIT TO DETECT AND CONTROL OUTPUT SWING LEVEL OF VOLTAGE CONTROLLED OSCILLATOR

#10
20240056029
2024-02-15

Voltage setting circuit, semiconductor integrated circuit and voltage setting method

#11
20230378909
2023-11-23

Voltage controlled oscillator for flipped and complementary low noise

#12
20230275546
2023-08-31

Circuit device and oscillator

#13
20230208358
2023-06-29

Circuit device, oscillator, and manufacturing method

#14
20230065998
2023-03-02

Oscillator

#15
20230032617
2023-02-02

Oscillator and device

#16
20220345085
2022-10-27

Voltage-controlled oscillator with centertap bias

#17
20220263465
2022-08-18

Oscillator circuit

#18
20220239299
2022-07-28

Integrated circuit apparatus and oscillator

#19
20220149786
2022-05-12

Oscillating signal generator circuit

#20
20220123691
2022-04-21

RC oscillator

#21
20210359645
2021-11-18

CIRCUIT BOARD LAYOUT METHOD AND WIRING METHOD FOR CRYSTAL OSCILLATION CIRCUIT, AND CRYSTAL OSCILLATION CIRCUIT

#22
20210083624
2021-03-18

Voltage controlled oscillator, semiconductor integrated circuit, and transmission and reception device

#23
20200274491
2020-08-27

Crystal oscillator interconnect architecture with noise immunity

#24
20200274490
2020-08-27

Low phase noise oscillator using negative feedback

#25
20200235701
2020-07-23

Oscillator, electronic apparatus, and vehicle

#26
20200136557
2020-04-30

Crystal oscillator and electronic device using the crystal oscillator

#27
20190326856
2019-10-24

Quadrature oscillator, FSK modulator, and optical module

#28
20190199287
2019-06-27

Oscillation circuit, microcomputer and electronic device

#29
20190158024
2019-05-23

Crystal oscillator interconnect architecture with noise immunity

#30
20190097577
2019-03-28

Multi-stage oscillator with current voltage converters

#31
20190074840
2019-03-07

Low power one-pin crystal oscillator with fast start-up

#32
20180175795
2018-06-21

Radio frequency interference mitigation in crystal oscillator circuitry

#33
20180123514
2018-05-03

Crystal oscillator interconnect architecture with noise immunity

#34
20180102737
2018-04-12

Integrated circuits having on-chip inductors with low common mode coupling effect

#35
20170353158
2017-12-07

Relaxation oscillators with reduced errors or no errors in output frequencies caused by changes in temperatures and/or fabrication processes

#36
20170353156
2017-12-07

Oscillator circuit with low dropout regulator

#37
20170141727
2017-05-18

Circuit device, oscillator, electronic apparatus, and moving object

#38
20170131391
2017-05-11

Detector generating a displacement signal by injection locking and injection pulling

#39
20170117850
2017-04-27

Oscillation module, electronic device, and moving object

#40
20160285465
2016-09-29

Oscillation signal generation circuit

#41
20160164461
2016-06-09

Crystal oscillation device and semiconductor device

#42
20160077125
2016-03-17

High frequency disturbance detection and compensation

#43
20150200627
2015-07-16

Phase noise reduction in voltage controlled oscillators

#44
20150015343
2015-01-15

Devices and methods for reducing noise in digitally controlled oscillators

#45
20140232476
2014-08-21

Crystal oscillation device and semiconductor device

#46
20140091869
2014-04-03

Method and apparatus of a crystal oscillator with a noiseless and amplitude based start up control loop

#47
20140070899
2014-03-13

Cancelling supply noise in a voltage controlled oscillator circuit

#48
20140062609
2014-03-06

XTAL oscillator

#49
20140035689
2014-02-06

Semiconductor device and control method thereof

#50
20130163774
2013-06-27

Noise reduction apparatus

#51
20120214429
2012-08-23

Interference resistant local oscillator

#52
20120161889
2012-06-28

Crystal oscillation device and semiconductor device

#53
20120112842
2012-05-10

Ultra-compact PLL with wide tuning range and low noise

#54
20120092079
2012-04-19

Oscillator circuit and method of improving noise immunity

#55
20120068776
2012-03-22

Oscillator

#56
20110128062
2011-06-02

Low-noise fine-frequency tuning

#57
20110063038
2011-03-17

Ultra-compact PLL with wide tuning range and low noise

#58
20100225407
2010-09-09

Interference resistant local oscillator

#59
20100127786
2010-05-27

LOW NOISE OSCILLATORS

#60
20090184771
2009-07-23

Systems and methods for reducing flicker noise in an oscillator

#61
20090179695
2009-07-16

Apparatus and method having reduced flicker noise

#62
20090121800
2009-05-14

Apparatus for Low Phase Noise Oscillators

#63
20080266034
2008-10-30

Low-noise fine-frequency tuning

#64
20070024379
2007-02-01

Low-noise fine-frequency tuning

#65
20060033586
2006-02-16

Low noise, hybrid tuned wideband voltage controlled oscillator

#66
20050134392
2005-06-23

Method and apparatus for reduced noise band switching circuits

#67
19004539
2026-03-24

Low-noise crystal oscillator using gain boosting and method thereof

#68
14216395
2015-11-10

Jitter compensated numerically controlled oscillator