ClassID:

220878

H03H11/20 - CPC Classification

Classification description:

Networks using active elements; Multiple-port networks; Networks for phase shifting Two-port phase shifters providing an adjustable phase shift

Recent Application in this class:
#1
20260100677
2026-04-09

VECTOR SUMMING AMPLIFIER AND PHASE SHIFT DEVICE INCLUDING THE SAME

#2
20260088802
2026-03-26

PHASE SHIFTER CIRCUIT OF OPTICAL ENCODER

#3
20260074677
2026-03-12

RF AND MICROWAVE PHASE SHIFTERS

#4
20260019065
2026-01-15

SIGNAL GENERATION CIRCUIT

#5
20250337392
2025-10-30

HIGH- AND LOW-PASS NETWORK CIRCUIT WITH INTEGRATED AMPLITUDE-PHASE REGULATION AND CONTROL METHOD THEREOF

#6
20250226814
2025-07-10

PHASE SHIFTER CIRCUIT OF OPTICAL ENCODER AND OPERATING METHOD THEREOF

#7
20250190677
2025-06-12

PHASE SHIFTER CIRCUIT, PHASE SHIFTER LAYOUT AND METHOD OF FORMING THE SAME

#8
20250132751
2025-04-24

GLITCH MITIGATION IN SWITCHED REACTANCE PHASE SHIFTERS

#9
20250125790
2025-04-17

LOW LOSS REFLECTIVE PASSIVE PHASE SHIFTER USING TIME DELAY ELEMENT WITH DOUBLE RESOLUTION

#10
20250112350
2025-04-03

PHASE SHIFTERS WITH LOW AMPLITUDE VARIATION

#11
20250070758
2025-02-27

PHASE SHIFTER AND ELECTRONIC SWITCH

#12
20250015775
2025-01-09

High Resolution Attenuator or Phase Shifter with Weighted Bits

#13
20240072437
2024-02-29

High-resolution phase shifter

#14
20240030958
2024-01-25

ORTHOGONAL SIGNAL GENERATOR AND METHOD THEREOF, PHASE SHIFTER AND METHOD THEREOF, AND AMPLIFYING DEVICE

#15
20240030897
2024-01-25

Low loss reflective passive phase shifter using time delay element with double resolution

#16
20230318577
2023-10-05

Phase shifter for linearly shifting phase of input signal based on phase control signals

#17
20230231542
2023-07-20

Cascaded low-noise wideband active phase shifter

#18
20230198491
2023-06-22

High resolution attenuator or phase shifter with weighted bits

#19
20230170851
2023-06-01

PHASE SHIFTER WITH CONTROLLABLE ATTENUATION AND METHOD FOR CONTROLLING SAME

#20
20220376677
2022-11-24

Adjustable phase shifter

#21
20220329231
2022-10-13

Phase shifter and antenna device

#22
20220300694
2022-09-22

Phase shifter circuit, phase shifter layout and method of forming the same

#23
20220285838
2022-09-08

High-resolution phase shifter

#24
20220263231
2022-08-18

DIGITAL PHASE SHIFTERS HAVING MULTI-THROW RADIO FREQUENCY SWITCHES AND RELATED METHODS OF OPERATION

#25
20220231391
2022-07-21

Phase shifter-180 degree topology

#26
20220077552
2022-03-10

Phase shifter

#27
20220037752
2022-02-03

Field effect transistor (FET) configured to phase shift a radar signal using first and second variable voltages applied to a gate and a back gate of the FET

#28
20220029610
2022-01-27

VECTOR SYNTHESIS PHASE SHIFTER AND VECTOR SYNTHESIS PHASE SHIFTING METHOD

#29
20210376817
2021-12-02

Phase-variable frequency multiplier and antenna device

#30
20210376433
2021-12-02

RF phase shifter comprising a plurality of sections that include first and second transmission lines coupled to mixers configured to output signals with changeable phase gradients responsive to signals of different frequencies

#31
20210210827
2021-07-08

Phase shift compensation device for detecting and adjusting an actual dielectric constant in a liquid crystal phase shifter

#32
20210175589
2021-06-10

Phase shifter with active signal phase generation

#33
20210159870
2021-05-27

High resolution attenuator or phase shifter with weighted bits

#34
20210135656
2021-05-06

Low loss reflective passive phase shifter using time delay element with double resolution

#35
20210126330
2021-04-29

Metamaterial phase shifters

#36
20210028768
2021-01-28

Variable gain phase shifter

#37
20210021257
2021-01-21

Glitch mitigation in switched reactance phase shifters

#38
20200381826
2020-12-03

High-resolution phase shifter

#39
20200350886
2020-11-05

Mixer

#40
20200220524
2020-07-09

Variable gain phase shifter

#41
20200144993
2020-05-07

Low-loss vector modulator based phase shifter

#42
20200059220
2020-02-20

Non-volatile adjustable phase shifter using non-volatile radio frequency (RF) switch

#43
20190393852
2019-12-26

High resolution attenuator or phase shifter with weighted bits

#44
20190296718
2019-09-26

Low loss reflective passive phase shifter using time delay element with double resolution

#45
20190158068
2019-05-23

RF signal switching, phase shifting and polarization control

#46
20190149117
2019-05-16

Reflection type phase shifter with active device tuning

#47
20190140622
2019-05-09

Low Loss Reflective Passive Phase Shifter using Time Delay Element

#48
20190140350
2019-05-09

Metamaterial phase shifters

#49
20190013794
2019-01-10

Polyphase filter and filter circuit

#50
20180337658
2018-11-22

RF phase shifting device

#51
20180323771
2018-11-08

Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device

#52
20180316093
2018-11-01

High-resolution phase shifter

#53
20180234080
2018-08-16

Self-matching phase shifter/attenuator

#54
20180212591
2018-07-26

State change stabilization in a phase shifter/attenuator circuit

#55
20180212590
2018-07-26

Glitch Mitigation in Switched Reactance Phase Shifters

#56
20180212576
2018-07-26

Transconductance amplifier and phase shifter

#57
20180198206
2018-07-12

Phase shifting device

#58
20180183130
2018-06-28

Microwave cavity resonator stabilized oscillator

#59
20180145660
2018-05-24

Digital phase shifter

#60
20180138894
2018-05-17

Switch with phase change material

#61
20180131338
2018-05-10

Variable attenuation device, phase-switching variable attenuation device, and phase shifter

#62
20180109244
2018-04-19

Phase shifter, semiconductor integrated circuit, and phased array system

#63
20180019722
2018-01-18

Hybrid coupler with phase and attenuation control

#64
20170302253
2017-10-19

State change stabilization in a phase shifter/attenuator circuit

#65
20170207747
2017-07-20

Oscillator with pulse-edge tuning

#66
20170063343
2017-03-02

Attenuator and high frequency circuit

#67
20170063324
2017-03-02

Circuits, devices and methods related to fine phase shifters

#68
20170033761
2017-02-02

Phase shifted resonator

#69
20170019067
2017-01-19

System and method for reconfigurable phase shifter and mixer

#70
20160380623
2016-12-29

State change stabilization in a phase shifter/attenuator circuit

#71
20160294364
2016-10-06

Encoder having phase adjuster for offsetting phases of multi-phase input signal

#72
20160164665
2016-06-09

Latency control in a transmitter/receiver buffer

#73
20160065195
2016-03-03

MULTIPHASE OSCILLATING SIGNAL GENERATION AND ACCURATE FAST FREQUENCY ESTIMATION

#74
20160013772
2016-01-14

Digital interpolator and method of interpolating

#75
20150326203
2015-11-12

Phase interpolator

#76
20150280762
2015-10-01

Phase correction apparatus and method

#77
20150139377
2015-05-21

Low power digital phase interpolator

#78
20150123725
2015-05-07

Transistor switches with single-polarity control voltage

#79
20140321515
2014-10-30

Phase interpolator

#80
20140211898
2014-07-31

Phase interpolation circuit and receiver circuit

#81
20140191789
2014-07-10

Vector generator using octant symmetry

#82
20140152364
2014-06-05

Phase offset cancellation circuit and associated clock generator

#83
20140152347
2014-06-05

Variable phase shifter, semiconductor integrated circuit and phase shifting method

#84
20140146932
2014-05-29

Low power digital phase interpolator

#85
20140139279
2014-05-22

Automatic quadrature network with phase and amplitude detection

#86
20140037035
2014-02-06

Phase interpolator for clock data recovery circuit with active wave shaping integrators

#87
20130222183
2013-08-29

RF baseband beamforming

#88
20130135022
2013-05-30

Vector generator using octant symmetry

#89
20130033296
2013-02-07

Phase shifter having transistor of which impedance is changeable according to phase control amount

#90
20130021111
2013-01-24

Transistor switches with single-polarity control voltage

#91
20120286839
2012-11-15

Systems and methods for a continuous, linear, 360-degree analog phase shifter

#92
20120114076
2012-05-10

Variable phase shifter-attenuator

#93
20120098698
2012-04-26

Integrated circuit, communication unit and method for phase adjustment

#94
20120049920
2012-03-01

IQ SIGNAL GENERATION CIRCUIT

#95
20110304409
2011-12-15

PHASE SHIFTER

#96
20110291728
2011-12-01

Phase shifter and power amplifier and magnetic resonance imaging apparatus

#97
20110236027
2011-09-29

Voltage generator, control circuit, vector sum phase shifter, and optical transceiver

#98
20110199141
2011-08-18

PHASE SHIFTER AND CONTROL METHOD THEREOF

#99
20110150495
2011-06-23

Vector sum phase shifter, optical transceiver, and control circuit

#100
20110148514
2011-06-23

FREQUENCY VARIABLE COMPOSITE RESONANCE CIRCUIT

#101
20110006826
2011-01-13

Phase signal generating apparatuses

#102
20100208773
2010-08-19

Auto-Calibration Filtering Device

#103
20100117758
2010-05-13

FET phase shifter for selectively phase shifting signals between different filtering characteristics

#104
20100109734
2010-05-06

Current-mode phase rotator with partial phase switching

#105
20090309670
2009-12-17

Switched Bands Phase Shifter

#106
20090219112
2009-09-03

Phase shifter with flexible control voltage

#107
20090219111
2009-09-03

Phase shifter with flexible control voltage

#108
20090195286
2009-08-06

PHASE SHIFTING USING ASYMMETRIC INTERPOLATOR WEIGHTS

#109
20080186032
2008-08-07

Circuit for detecting the impedance of a load

#110
20080169948
2008-07-17

Filter adjustment circuit

#111
20080164930
2008-07-10

Phase interpolation apparatus, systems, and methods

#112
20080164928
2008-07-10

Phase interpolation apparatus, systems, and methods

#113
20080074163
2008-03-27

Phase shifter and phase shift method

#114
20080032639
2008-02-07

Phase shifter

#115
20070273456
2007-11-29

Phase-shifting circuit and multibit phase shifter

#116
20070194991
2007-08-23

Analog phase shifter

#117
20070058703
2007-03-15

Current mode phase shifter, mixer and amplifier

#118
20070013460
2007-01-18

Phase shifter with flexible control voltage

#119
20060055442
2006-03-16

Phase shifting device

#120
20050099225
2005-05-12

All-pass filter circuit

#121
18630492
2025-12-16

RF and microwave phase shifters

#122
16985932
2024-11-12

Angle of arrival (AoA) determination for Bluetooth® Low Energy (BLE)

#123
16728109
2020-08-04

Switch-type phase shifter

#124
16555443
2020-09-01

Delay line with controllable phase-shifting cells

#125
16234263
2020-02-18

Phase shifter with broadband and phase array module using the same

#126
15870517
2020-08-04

Deployable active radar countermeasures

#127
15801051
2018-11-20

90 degree hybrid with varactor diodes for low loss, simple bias and zero power consumption phase shifter

#128
15704554
2018-12-25

Adjustable condenser

#129
15629900
2018-09-11

Phase rotator apparatus

#130
14030557
2015-07-28

Phase shifter with true time delay

#131
13832619
2015-01-06

Multiple gate semiconductor devices and their applications