ClassID:

218780

H03B2200/0094 - CPC Classification

Classification description:

Indexing scheme relating to details of oscillators covered by; Functional aspects of oscillators Measures to ensure starting of oscillations

Recent Application in this class:
#1
20260112996
2026-04-23

HIGH-FREQUENCY CRYSTAL OSCILLATOR BASED ON AUTOMATIC PHASE ERROR CORRECTION

#2
20250219578
2025-07-03

CRYSTAL OSCILLATOR BASED ON DUTY RATIO MEASUREMENT

#3
20250158570
2025-05-15

OSCILLATION CIRCUIT AND ELECTRONIC DEVICE

#4
20240322757
2024-09-26

CIRCUIT DEVICE AND OSCILLATOR

#5
20240275333
2024-08-15

METHOD FOR OPERATING A FAST START-UP OSCILLATOR SYSTEM, AND FAST START-UP OSCILLATOR SYSTEM

#6
20240235476
2024-07-11

DEVICE AND METHOD FOR ADAPTIVE LOOP GAIN OF OSCILLATOR

#7
20240030872
2024-01-25

Crystal oscillator and method for performing startup of crystal oscillator

#8
20240007050
2024-01-04

MODE SELECT FOR MULTI-FREQUENCY OSCILLATORS

#9
20230421101
2023-12-28

Low power crystal oscillator

#10
20230421100
2023-12-28

Amplitude regulator for crystal oscillator

#11
20230090782
2023-03-23

Low power crystal oscillator

#12
20220360221
2022-11-10

Oscillator circuits

#13
20220321107
2022-10-06

Ring oscillator and method for starting ring oscillator

#14
20220239255
2022-07-28

Fast startup of crystal and other high-Q oscillators

#15
20220173699
2022-06-02

Crystal oscillator start-up circuit and method

#16
20220103126
2022-03-31

Apparatus for injecting energy into crystal in crystal oscillator, and crystal oscillator

#17
20220077823
2022-03-10

Crystal oscillator, chip, and electronic device

#18
20220077822
2022-03-10

Crystal oscillator and startup method for a crystal oscillator

#19
20210391863
2021-12-16

Oscillator circuit with bias current generator

#20
20210305939
2021-09-30

Fast start-up crystal oscillator

#21
20210273610
2021-09-02

Oscillator circuit with two current supplies

#22
20210091720
2021-03-25

Method for startup of crystal oscillator with aid of external clock injection, associated crystal oscillator and monitoring circuit therein

#23
20210067145
2021-03-04

Ring voltage controlled oscillator (VCO) startup helper circuit

#24
20210036691
2021-02-04

Ring oscillator and method for controlling start-up of ring oscillator

#25
20210011134
2021-01-14

Controlling an oscillating system

#26
20210006252
2021-01-07

Oscillator circuit with bias current generator

#27
20200412371
2020-12-31

Oscillation circuit, oscillator, communication device, and method of controlling oscillation circuit

#28
20200373884
2020-11-26

Oscillator circuit arrangement

#29
20200350861
2020-11-05

Oscillator circuit arrangement

#30
20200177125
2020-06-04

Start-up circuit for single-pin crystal oscillators

#31
20200153417
2020-05-14

Oscillator and method for operating an oscillator

#32
20200153388
2020-05-14

Self enabling signal conditioner for conditioning a crystal oscillator output signal into a compliant clock signal

#33
20200099337
2020-03-26

Clock circuit and method for recalibrating an injection oscillator coupled to kick-start a crystal oscillator

#34
20200076368
2020-03-05

Crystal oscillator control circuit and associated oscillation device

#35
20200021244
2020-01-16

Crystal oscillator startup time optimization

#36
20200007083
2020-01-02

Fast startup time for crystal oscillator

#37
20190305786
2019-10-03

Crystal oscillator and method for adjusting oscillation frequency

#38
20190305727
2019-10-03

Semiconductor device and semiconductor system

#39
20190268002
2019-08-29

Oscillator circuit with bias current generator

#40
20190229678
2019-07-25

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

#41
20190199288
2019-06-27

Circuit and method for facilitating startup time of crystal oscillator

#42
20190190447
2019-06-20

Fast start-up circuit for low power crystal oscillator

#43
20190074840
2019-03-07

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

#44
20190044479
2019-02-07

Low-voltage crystal oscillator circuit compatible with GPIO

#45
20190007012
2019-01-03

Crystal amplifier with additional high gain amplifier core to optimize startup operation

#46
20180302034
2018-10-18

Crystal oscillator circuit and method for starting up a crystal oscillator

#47
20180198411
2018-07-12

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

#48
20180054163
2018-02-22

Method of monitoring clock and oscillator module thereof

#49
20180006605
2018-01-04

Integrated circuit crystal oscillator having digital automatic gain control comprising oscillation detection and amplitude control loops

#50
20170294915
2017-10-12

Oscillator circuit with reconfigurable oscillator amplifier and/or hybrid amplitude calibration circuit and associated method

#51
20170288680
2017-10-05

Crystal oscillator circuit

#52
20170237441
2017-08-17

Oscillator circuit with bias current generator

#53
20170054413
2017-02-23

Voltage controlled oscillator with common mode adjustment start-up

#54
20170033739
2017-02-02

Electro-mechanical oscillator and method for generating a signal

#55
20160373056
2016-12-22

Periodic kick-starter for a crystal oscillator

#56
20160373055
2016-12-22

Ultra-low power crystal oscillator with adaptive self-start

#57
20160268971
2016-09-15

Current driven crystal oscillator

#58
20160102979
2016-04-14

System comprising a mechanical resonator and method therefor

#59
20160072438
2016-03-10

Dynamic gearshift during oscillator build-up based on duty cycle

#60
20150249429
2015-09-03

Radio-frequency oscillation circuit

#61
20150090034
2015-04-02

Method of reducing gyroscope oscillator start-up time and device therefor

#62
20150061786
2015-03-05

Crystal oscillator circuit having low power consumption, low jitter and wide operating range

#63
20140354364
2014-12-04

Oscillator with startup circuitry

#64
20140320223
2014-10-30

Semiconductor apparatus, oscillation circuit, and signal processing system

#65
20140266474
2014-09-18

System and method for improved MEMS oscillator startup

#66
20140167866
2014-06-19

Method and system to improve power utilization using a calibrated crystal warm-up detection

#67
20140091869
2014-04-03

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

#68
20140035689
2014-02-06

Semiconductor device and control method thereof

#69
20130002365
2013-01-03

Method of regulating a timeout delay introduced at start-up of a digital system to ensure readiness of a master amplitude-regulated crystal oscillator and implementing circuit

#70
20120306584
2012-12-06

High amplitude voltage-controlled oscillator with dynamic bias circuit

#71
20120154066
2012-06-21

Oscillator, and clock generator, semiconductor device, and electronic device including the same

#72
20110291767
2011-12-01

Oscillator circuit

#73
20110037527
2011-02-17

Fast start-up crystal oscillator

#74
20110032043
2011-02-10

Resonant oscillator circuit with reduced startup transients

#75
20110032042
2011-02-10

Resonant oscillator with oscillation-startup circuitry

#76
20090184777
2009-07-23

Method and apparatus for generating oscillating signals

#77
20090102568
2009-04-23

Voltage controlled oscillator with cascaded emitter follower buffer stages

#78
20090079510
2009-03-26

INTEGRATED CIRCUIT AND RECEIVER OF A GLOBAL POSITIONING SYSTEM (GPS)

#79
20090078045
2009-03-26

Driver device, physical quantity measuring device, and electronic instrument

#80
20080246548
2008-10-09

Method and apparatus for generating oscillating signals

#81
20080178672
2008-07-31

Driving device, physical quantity measurement device, and electronic instrument

#82
20080136541
2008-06-12

Oscillator circuit

#83
20070298729
2007-12-27

Multi-mode crystal oscillator

#84
20070164827
2007-07-19

Circuit and method for controlling an oscillation loop

#85
20070069829
2007-03-29

Reducing the settling time of a crystal oscillator

#86
20070030085
2007-02-08

Regulated capacitive loading and gain control of a crystal oscillator during startup and steady state operation

#87
20060030358
2006-02-09

Multi-mode crystal oscillator

#88
20050151596
2005-07-14

Fast wake-up crystal oscillating circuit

#89
17444320
2022-06-21

Crystal oscillator circuit and method of operation

#90
17395439
2022-07-12

Fast start-up crystal oscillator and fast start-up method thereof

#91
16032387
2019-11-26

Crystal oscillator adaptive startup energy minimization

#92
15857877
2020-03-03

Apparatus and method for shortening start-up time of a crystal oscillator

#93
14836759
2016-05-31

Capacitor arrangement for oscillator

#94
14814201
2016-08-30

Electro-mechanical oscillator and method for generating a signal

#95
14744756
2016-12-06

Voltage controlled oscillator with common mode adjustment start-up

#96
14736763
2016-09-06

Electro-mechanical oscillator and method for generating a signal

#97
14622851
2016-06-14

Fractional reference-injection PLL

#98
14617716
2016-01-26

Method to pre-charge crystal oscillators for fast start-up

#99
14160375
2015-07-14

Voltage controlled oscillator with common mode adjustment start-up

#100
14152523
2015-06-09

Amplitude limiting circuit for a crystal oscillator

#101
13909739
2015-06-30

Electro-mechanical oscillator and method for generating a signal