ClassID:

218797

H03B2201/025 - CPC Classification

Classification description:

Aspects of oscillators relating to varying the frequency of the oscillations; Varying the frequency of the oscillations by electronic means the means being an electronic switch for switching in or out oscillator elements

Sub-classes:
Recent Application in this class:
#1
20220247352
2022-08-04

Circuit device and oscillator

#2
20220140785
2022-05-05

Oscillator circuit, oscillator, and method for controlling oscillator circuit

#3
20200366297
2020-11-19

Method and apparatus for calibration of voltage controlled oscillator

#4
20200244270
2020-07-30

Segmentation superposition technique for binary error compensation

#5
20190068199
2019-02-28

Segmentation superposition technique for binary error compensation

#6
20180358926
2018-12-13

Transmission system

#7
20180109246
2018-04-19

Systems and methods for transferring power across an isolation barrier

#8
20180097521
2018-04-05

Method and apparatus for calibration of voltage controlled oscillator

#9
20170141728
2017-05-18

Signal generator and associated resonator circuit

#10
20160336945
2016-11-17

Frequency calibration method for a voltage-controlled oscillator

#11
20160087584
2016-03-24

Oscillator, electronic apparatus, and moving object

#12
20160079962
2016-03-17

Electronic device with switched-capacitor tuning and related method

#13
20150349711
2015-12-03

Inductor-enclosed voltage-controlled oscillators

#14
20150263702
2015-09-17

Electronic device with switched-capacitor tuning and related method

#15
20150207515
2015-07-23

Low-power oscillator

#16
20150042410
2015-02-12

Control method for oscillation circuit, circuit for oscillation, oscillator, electronic apparatus, and moving object

#17
20150015346
2015-01-15

Electronic device with switched-capacitor tuning and related method

#18
20150015343
2015-01-15

Devices and methods for reducing noise in digitally controlled oscillators

#19
20140184363
2014-07-03

Electronic device with switched-capacitor tuning and related method

#20
20130043957
2013-02-21

Low distortion impedance selection and tunable impedance circuits

#21
20110028111
2011-02-03

Method and system for frequency tuning based on characterization of an oscillator

#22
20100267352
2010-10-21

Local oscillator, receiver, and electronic device

#23
20100009645
2010-01-14

Controlling fine frequency changes in an oscillator

#24
20090273404
2009-11-05

Frequency adjustable surface acoustic wave oscillator

#25
20090243743
2009-10-01

VARACTOR BANK SWITCHING BASED ON ANTI-PARALLEL BRANCH CONFIGURATION

#26
20090243742
2009-10-01

Method and system for frequency tuning based on characterization of an oscillator

#27
20090243741
2009-10-01

METHOD AND SYSTEM FOR PROCESSING SIGNALS VIA AN OSCILLATOR LOAD EMBEDDED IN AN INTEGRATED CIRCUIT (IC) PACKAGE

#28
20090224843
2009-09-10

Programmable Crystal Oscillator

#29
20090206939
2009-08-20

VCO pre-compensation

#30
20090167451
2009-07-02

Oscillators having reactance-adjustable frequency control

#31
20090167444
2009-07-02

Inductor and capacitor-based clock generator and timing/frequency reference

#32
20090128240
2009-05-21

OSCILLATOR, PLL CIRCUIT, RECEIVER AND TRANSMITTER

#33
20090102572
2009-04-23

Parallel-structured switched variable inductor circuit

#34
20090072910
2009-03-19

Voltage-controlled oscillator with control range limiter

#35
20090066428
2009-03-12

DEVICE FOR PROVIDING AN A.C. SIGNAL

#36
20090058536
2009-03-05

Apparatus and method for phase lock loop gain control using unit current sources

#37
20090039970
2009-02-12

Crystal oscillator frequency tuning circuit

#38
20090021311
2009-01-22

VCO pre-compensation

#39
20080297267
2008-12-04

Voltage controlled oscillator circuit and a method for configuring a voltage controlled oscillator circuit

#40
20080278249
2008-11-13

LC-TYPE VCO

#41
20080266007
2008-10-30

OSCILLATING APPARATUS HAVING CURRENT COMPENSATING DEVICE FOR PROVIDING COMPENSATING CURRENT TO COMPENSATE FOR CURRENT REDUCTION OF TRANSCONDUCTIVE DEVICE AND METHOD THEREOF

#42
20080204157
2008-08-28

Voltage controlled oscillator, and PLL circuit and radio communication apparatus using the same

#43
20080174361
2008-07-24

Apparatus and method for phase lock loop gain control using unit current sources

#44
20080157886
2008-07-03

Oscillator for outputting different oscillation frequencies

#45
20080150645
2008-06-26

Discrete clock generator and timing/frequency reference

#46
20080150644
2008-06-26

Voltage controlled oscillator and frequency control method of the voltage controlled oscillator

#47
20080143454
2008-06-19

Integrated clock generator and timing/frequency reference

#48
20080030243
2008-02-07

Frequency generator apparatus and control circuit thereof

#49
20070268076
2007-11-22

Apparatus and method for phase lock gain control using unit current sources

#50
20070247238
2007-10-25

Apparatus and method for phase lock loop gain control

#51
20070222528
2007-09-27

Multi-terminal harmonic oscillator integrated circuit with frequency calibration and frequency configuration

#52
20070145368
2007-06-28

Two-frequency switchover type crystal oscillator

#53
20070132520
2007-06-14

Method for voltage controlled oscillator yield enhancement

#54
20070096840
2007-05-03

Method and apparatus for rapid local oscillator frequency calibration

#55
20070018747
2007-01-25

Apparatus and method for phase lock loop gain control

#56
20070004362
2007-01-04

Methods and apparatus to generate small frequency changes

#57
20070001823
2007-01-04

Controlling fine frequency changes in an oscillator

#58
20060284689
2006-12-21

Apparatus and method for phase lock loop gain control using unit current sources

#59
20060238259
2006-10-26

Quadrature voltage controlled oscillators with phase shift detector

#60
20060220757
2006-10-05

Semiconductor integrated circuit for communication

#61
20060181363
2006-08-17

Parallel-structured switched variable inductor circuit

#62
20060158268
2006-07-20

Discrete clock generator and timing/frequency reference

#63
20060158267
2006-07-20

Inductor and capacitor-based clock generator and timing/frequency reference

#64
20060152293
2006-07-13

Integrated clock generator and timing/frequency reference

#65
20060103456
2006-05-18

Frequency selection using capacitance multiplication

#66
20060097797
2006-05-11

Apparatus and method for phase lock loop gain control using unit current sources

#67
20060097796
2006-05-11

Apparatus and method for phase lock loop gain control using unit current sources

#68
20060071734
2006-04-06

Frequency controller for a monolithic clock generator and timing/frequency reference

#69
20060068736
2006-03-30

Controlling the frequency of an oscillator

#70
20060033587
2006-02-16

Coupled-inductor multi-band VCO

#71
20050275469
2005-12-15

Quadrature voltage controlled oscillators with phase shift detector

#72
20050260959
2005-11-24

Dual mode tuning arrangement

#73
20050258901
2005-11-24

System and method for linearizing a CMOS differential pair

#74
20050190002
2005-09-01

Voltage-controlled oscillator, radio communication apparatus and voltage-controlled oscillation method for reducing degradation of phase noise characteristic

#75
20050185487
2005-08-25

Digitally controlled oscillator circuit

#76
20050184812
2005-08-25

Capacitor bank and voltage controlled oscillator having the same

#77
20050174186
2005-08-11

Apparatus and method for phase lock loop gain control using unit current sources

#78
20050168297
2005-08-04

Apparatus and method for phase lock loop gain control using unit current sources

#79
20050168294
2005-08-04

Highly stable integrated time reference

#80
20050104677
2005-05-19

Apparatus and method for phase lock loop gain control using unit current sources

#81
20050059375
2005-03-17

Voltage controlled oscillator, frequency synthesizer and communication apparatus

#82
20050030108
2005-02-10

Integrated VCO having an improved tuning range over process and temperature variations

#83
16418709
2020-08-18

Layout for voltage-controlled oscillator (VCO)