ClassID:

218668

H03B5/366 - CPC Classification

Classification description:

Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezo-electric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current

Sub-classes:
Recent Application in this class:
#1
20250240106
2025-07-24

DOPPLER MEASUREMENT METHOD AND APPARATUS, AND COMMUNICATION DEVICE

#2
20250239971
2025-07-24

Ensemble of MEMS Oscillators in a Highly Accurate and Resilient Clock System

#3
20240291431
2024-08-29

APPARATUS AND METHODS FOR LOCAL OSCILLATOR INTERFACE CIRCUITS WITH QUADRATURE CLOCK GENERATION AND PHASE CORRECTION

#4
20240250640
2024-07-25

CIRCUIT COMPRISING A CURRENT MIRROR CIRCUIT AND METHOD FOR OPERATING A CIRCUIT

#5
20240039517
2024-02-01

Method and system for generating phononic frequency comb

#6
20240030872
2024-01-25

Crystal oscillator and method for performing startup of crystal oscillator

#7
20230421101
2023-12-28

Low power crystal oscillator

#8
20230396215
2023-12-07

Reconfigurable crystal oscillator and method for reconfiguring crystal oscillator

#9
20230246593
2023-08-03

Method of manufacturing oscillator and oscillator

#10
20230198466
2023-06-22

Oscillation circuit and method of automatic duty cycle calibration

#11
20230155548
2023-05-18

Circuit device and oscillator

#12
20230090782
2023-03-23

Low power crystal oscillator

#13
20230064715
2023-03-02

CRYSTAL OSCILLATOR, AND METHOD FOR MAKING THE SAME

#14
20220352852
2022-11-03

Circuit device and oscillator

#15
20220352851
2022-11-03

Circuit device and oscillator

#16
20220239255
2022-07-28

Fast startup of crystal and other high-Q oscillators

#17
20220094303
2022-03-24

Nanomechanical networks for computation

#18
20220077823
2022-03-10

Crystal oscillator, chip, and electronic device

#19
20210305939
2021-09-30

Fast start-up crystal oscillator

#20
20210273610
2021-09-02

Oscillator circuit with two current supplies

#21
20210200258
2021-07-01

Mid power mode for an oscillator

#22
20200350862
2020-11-05

Nanomechanical networks for computation

#23
20200274485
2020-08-27

Pullable clock oscillator

#24
20200244221
2020-07-30

Oscillator, electronic device, and vehicle

#25
20200099337
2020-03-26

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

#26
20200076368
2020-03-05

Crystal oscillator control circuit and associated oscillation device

#27
20200059197
2020-02-20

Temperature compensated oscillator driver

#28
20200028509
2020-01-23

Radiation-hard precision voltage reference

#29
20190305786
2019-10-03

Crystal oscillator and method for adjusting oscillation frequency

#30
20190305727
2019-10-03

Semiconductor device and semiconductor system

#31
20190288644
2019-09-19

Crystal oscillator

#32
20190222174
2019-07-18

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

#33
20190190448
2019-06-20

Circuit device, oscillator, electronic apparatus, and vehicle

#34
20190173427
2019-06-06

Temperature compensation of a quartz crystal oscillator

#35
20190173426
2019-06-06

Control of a quartz crystal oscillator frequency tuning array

#36
20190103837
2019-04-04

VOLTAGE-CONTROLLED OSCILLATOR AND A METHOD FOR TUNING OSCILLATIONS

#37
20190006992
2019-01-03

Crystal driver circuit configurable for daisy chaining

#38
20190006991
2019-01-03

Crystal driver circuit with core amplifier having unbalanced tune capacitors

#39
20190006990
2019-01-03

Crystal driver circuit with external oscillation signal amplitude control

#40
20180358973
2018-12-13

Semiconductor device and control method of the same

#41
20180302034
2018-10-18

Crystal oscillator circuit and method for starting up a crystal oscillator

#42
20180248517
2018-08-30

Oscillator, electronic apparatus, vehicle, and manufacturing method of oscillator

#43
20180212609
2018-07-26

Circuit device, oscillator, physical quantity measurement device, electronic apparatus, and vehicle

#44
20180209855
2018-07-26

Piezoelectric device package

#45
20180091095
2018-03-29

Pullable clock oscillator

#46
20180013384
2018-01-11

TEMPERATURE-COMPENSATED CRYSTAL OSCILLATOR BASED ON ANALOG CIRCUIT

#47
20170346442
2017-11-30

Oscillator, electronic apparatus, vehicle, and method of manufacturing oscillator

#48
20170279452
2017-09-28

Oscillator, electronic apparatus, and vehicle

#49
20170200834
2017-07-13

Integrated MOS varicap, and voltage controlled oscillator and filter having same

#50
20170187329
2017-06-29

Voltage-controlled oscillator and a method for tuning oscillations

#51
20170170835
2017-06-15

Frequency calibration circuit and frequency calibration method

#52
20170170784
2017-06-15

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

#53
20170117850
2017-04-27

Oscillation module, electronic device, and moving object

#54
20170033767
2017-02-02

Unit, oscillator and electronic apparatus

#55
20170019064
2017-01-19

Voltage controlled oscillator

#56
20160373056
2016-12-22

Periodic kick-starter for a crystal oscillator

#57
20160322936
2016-11-03

Crystal oscillator and method of manufacturing crystal oscillators

#58
20160285464
2016-09-29

Oscillator, electronic apparatus, and moving object

#59
20160241189
2016-08-18

Oscillation circuit, electronic apparatus, moving object, and method of adjusting oscillation circuit

#60
20160182057
2016-06-23

Slow-clock calibration method and unit, clock circuit, and mobile communication terminal

#61
20160181978
2016-06-23

Compensation circuit and inverter stage for oscillator circuit

#62
20160164462
2016-06-09

SEMICONDUCTOR APPARATUS, OSCILLATION CIRCUIT, AND SIGNAL PROCESSING SYSTEM

#63
20160072438
2016-03-10

Dynamic gearshift during oscillator build-up based on duty cycle

#64
20160065132
2016-03-03

Crystal oscillation circuit and electronic timepiece

#65
20150222229
2015-08-06

Oscillator circuit and related method

#66
20150188550
2015-07-02

Oscillation circuit, oscillator, electronic apparatus, moving object, and frequency adjustment method of oscillator

#67
20150180413
2015-06-25

Oscillation circuit, oscillator, electronic apparatus, and moving object

#68
20150180410
2015-06-25

Oscillation circuit, oscillator, electronic device, moving object, and manufacturing method of oscillator

#69
20150145611
2015-05-28

OSCILLATOR CIRCUIT, OSCILLATOR, ELECTRONIC APPARATUS, AND MOVING OBJECT

#70
20150116048
2015-04-30

Oscillation circuit, oscillator, manufacturing method of oscillator, electronic device, and moving object

#71
20150116045
2015-04-30

Oscillation circuit, oscillator, method of manufacturing oscillator, electronic device, and moving object

#72
20150116044
2015-04-30

Oscillation circuit, oscillator, manufacturing method of oscillator, electronic device, and moving object

#73
20150116043
2015-04-30

Oscillation circuit, oscillator, method of manufacturing oscillator, electronic device, and moving object

#74
20140320223
2014-10-30

Semiconductor apparatus, oscillation circuit, and signal processing system

#75
20140312984
2014-10-23

Oscillator circuit

#76
20140251010
2014-09-11

Unit, oscillator and electronic apparatus

#77
20140176251
2014-06-26

MEMS mass bias to track changes in bias conditions and reduce effects of flicker noise

#78
20140035689
2014-02-06

Semiconductor device and control method thereof

#79
20130171953
2013-07-04

Clock generator with frequency error compensation and mobile device using the same

#80
20130154754
2013-06-20

Tuning of MEMS oscillator

#81
20120223782
2012-09-06

COMPLEX NEGATIVE FEEDBACK FREQUENCY SELECTION OUTPUT CIRCUIT AND OSCILLATION CIRCUIT USING THE SAME

#82
20120092080
2012-04-19

Oscillator

#83
20120063504
2012-03-15

System and method for crystal oscillator frequency tuning

#84
20110204983
2011-08-25

Fundamental wave/overtone crystal oscillator

#85
20110133848
2011-06-09

Oscillator having micro-electromechanical resonators and driver circuits therein that support in-phase and out-of-phase signals

#86
20110095832
2011-04-28

Fast start, low power oscillator system

#87
20110018649
2011-01-27

ELECTRICAL RESONATOR DEVICE WITH A WIDE FREQUENCY VARIATION RANGE

#88
20100301958
2010-12-02

Unit, oscillator having unit and electronic apparatus having oscillator

#89
20100289591
2010-11-18

System and method for efficiently generating an oscillating signal

#90
20100289587
2010-11-18

System and method for reducing power consumption of an oscillator

#91
20100188156
2010-07-29

Oscillator circuit

#92
20100188057
2010-07-29

Zilinx : the 11 less green technology for FPIC of smart window

#93
20100182094
2010-07-22

Constant current driven oscillating circuit

#94
20100060111
2010-03-11

Thin-film piezoelectric-on-insulator resonators having perforated resonator bodies therein

#95
20100026403
2010-02-04

SELECTABLE DRIVE STRENGTH HIGH FREQUENCY CRYSTAL OSCILLATOR CIRCUIT

#96
20090276990
2009-11-12

Piezoelectric resonator for oscillator and surface mount type piezoelectric oscillator

#97
20090261914
2009-10-22

CRYSTAL OSCILLATOR CIRCUITS

#98
20090243732
2009-10-01

SDOC with FPHA and FPXC: system design on chip with field programmable hybrid array of FPAA, FPGA, FPLA, FPMA, FPRA, FPTA and frequency programmable xtaless clockchip with trimless/trimfree self-adaptive bandgap reference xtaless clockchip

#99
20090224844
2009-09-10

EXTENDED RANGE OSCILLATOR

#100
20090134947
2009-05-28

Varactor-free amplitude controlled oscillator(ACO) for system on chip and system on card Xtaless clock SOC

#101
20090121799
2009-05-14

Piezoelectric oscillator

#102
20090102327
2009-04-23

Quartz crystal unit, quartz crystal oscillator having quartz crystal unit and electronic apparatus having quartz crystal oscillator

#103
20090096541
2009-04-16

Crystal oscillator circuit having fast start-up and method therefor

#104
20090080568
2009-03-26

Signal generator with adjustable phase

#105
20090072875
2009-03-19

Green technologies: the killer application of EMI-free on-chip inductor

#106
20090072663
2009-03-19

Single-resonator dual-frequency lateral-extension mode piezoelectric oscillators, and operating methods thereof

#107
20090066434
2009-03-12

Oscillator Comprising a Startup Control Device

#108
20090066433
2009-03-12

Voltage controlled oscillator

#109
20090066157
2009-03-12

Green technology: green circuit and device designs of green chip

#110
20090058386
2009-03-05

Green technologies: 7less microsystems

#111
20090002085
2009-01-01

4Less—Xtaless, capless, indless, dioless TSOC design of SOC or 4Free—Xtalfree, capfree, indfree, diofree TSOC design of SOC

#112
20080309424
2008-12-18

Digital tuning of crystal oscillators

#113
20080297265
2008-12-04

4Less-TSOC of XLC, QBXOCK, QBTCXO, QBVCXO, SMLDVR and ANLVCO or 4Free-TSOC of XLC, QBXOCK, QBTCXO, QBVCXO, SMLDVR and ANLKVCO

#114
20080129395
2008-06-05

Piezoelectric resonator for oscillator and surface mount type piezoelectric oscillator

#115
20080088390
2008-04-17

Negative capacity circuit for high frequencies applications

#116
20080088383
2008-04-17

Crystal oscillator circuit

#117
20080042766
2008-02-21

DFY of XtalClkChip: design for yield of trimming-free crystal-free precision reference clock osillator IC chip

#118
20080042765
2008-02-21

XtalClkChip: trimming-free crystal-free precision reference clock oscillator IC chip

#119
20080001678
2008-01-03

Voltage controlled oscillator and method of controlling frequency thereof

#120
20070298729
2007-12-27

Multi-mode crystal oscillator

#121
20070296513
2007-12-27

Oscillator

#122
20070296512
2007-12-27

Voltage-controlled crystal oscillator

#123
20070222532
2007-09-27

Temperature-compensated crystal oscillator

#124
20070222527
2007-09-27

Frequency tuning circuit, use of the tuning circuit and method for frequency tuning

#125
20070209176
2007-09-13

Method of manufacturing a voltage controlled oscillator

#126
20070164827
2007-07-19

Circuit and method for controlling an oscillation loop

#127
20070146086
2007-06-28

Variable-frequency oscillator incorporating thin-film bulk acoustic resonators

#128
20070132519
2007-06-14

Oscillator circuit with high pass filter and low pass filter in output stage

#129
20070126485
2007-06-07

Voltage-controlled oscillator

#130
20070057739
2007-03-15

Capacitor array segmentation

#131
20060273860
2006-12-07

Colpitts oscillator

#132
20060267701
2006-11-30

Method and system for dynamically calculating values for tuning of voltage-controlled crystal oscillators

#133
20060226919
2006-10-12

Applied voltage control circuit for voltage controlled oscillation circuit

#134
20060208816
2006-09-21

Piezoelectric-oscillator

#135
20060192626
2006-08-31

High stability double oven crystal oscillator

#136
20060164178
2006-07-27

Voltage-controlled oscillator

#137
20060160512
2006-07-20

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

#138
20060152294
2006-07-13

Approximate n-th order function generating device and temperature compensation crystal oscillation circuit

#139
20060114074
2006-06-01

Semiconductor integrated circuit for communication incorporating oscillator, communication system, and method for manufacturing the semiconductor integrated circuit

#140
20060081892
2006-04-20

MOS capacitor type semiconductor device and crystal oscillation device using the same

#141
20060071731
2006-04-06

Voltage-controlled oscillator

#142
20060071727
2006-04-06

Nonvolatile programmable crystal oscillator circuit

#143
20060030358
2006-02-09

Multi-mode crystal oscillator

#144
20060017517
2006-01-26

Voltage controlled oscillator

#145
20050231240
2005-10-20

Reference signal generators

#146
20050189999
2005-09-01

Integrated electronic circuit comprising a tunable resonator

#147
20050189998
2005-09-01

Integrable phase-locked loop including an acoustic resonator

#148
20050189997
2005-09-01

Integrable amplitude-locked loop including an acoustic resonator

#149
20050184819
2005-08-25

Crystal oscillator device, oscillation method and heater

#150
20050110587
2005-05-26

Wide range crystal oscillator

#151
20050099236
2005-05-12

Voltage controlled oscillator

#152
20050073372
2005-04-07

Piezoelectric oscillator having a non-inductive load with a collector-emitter capacitor

#153
20050007205
2005-01-13

Low power crystal oscillator

#154
18154968
2024-01-16

Low power crystal oscillator

#155
17943771
2024-01-16

Oscillating device

#156
17395439
2022-07-12

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

#157
17391113
2022-04-19

Differential crystal oscillator with large voltage swing

#158
17088228
2021-11-09

Active shunt capacitance cancelling oscillator for resonators

#159
16456774
2020-10-27

Low power crystal oscillator

#160
16032387
2019-11-26

Crystal oscillator adaptive startup energy minimization

#161
15371009
2018-01-23

Current generator

#162
15194302
2017-10-31

Circuit for and method of receiving an input signal

#163
15084067
2018-04-24

Bulk acoustic wave resonator based fractional frequency synthesizer and method of use

#164
14838022
2016-11-08

Voltage-controlled oscillator and a method for tuning oscillations

#165
14689112
2016-08-02

Crystal oscillator circuit

#166
14479461
2015-11-24

One-pin crystal oscillator driven through a general purpose input/output device

#167
13672338
2015-04-07

Method and apparatus for starting up oscillation