ClassID:

220457

H03H7/18 - CPC Classification

Classification description:

Multiple-port networks comprising only passive electrical elements as network components Networks for phase shifting

Sub-classes:
Recent Application in this class:
#1
20260118167
2026-04-30

SINGLE-PHOTON DETECTION DEVICE AND SINGLE-PHOTON DETECTION METHOD

#2
20260066517
2026-03-05

CONFIGURABLE UNEQUAL POWER DIVIDER/COMBINER CIRCUITS AND METHODS

#3
20260058626
2026-02-26

COMPOSITE FILTER AND COMMUNICATION DEVICE

#4
20250373221
2025-12-04

PHASE SHIFTER AND ANTENNA DEVICE

#5
20250364965
2025-11-27

RADIO FREQUENCY MODULE, ANTENNA APPARATUS, AND COMMUNICATION DEVICE

#6
20250266796
2025-08-21

RADIO-FREQUENCY CIRCUIT

#7
20250260379
2025-08-14

REDUCING THE EFFECT OF PARASITIC CAPACITANCE IN A HIGH-PASS FILTER EMPLOYED IN PARALLEL WITH ANOTHER FILTER IN A SWITCHING CONFIGURATION

#8
20250174399
2025-05-29

SELECTIVELY ENHANCING THE RESONANCE FREQUENCY AND QUALITY FACTORY OF ON-CHIP CAPACITORS

#9
20250112610
2025-04-03

PHASE SHIFTER WITH PERIODIC CELLS

#10
20250062529
2025-02-20

PHASE SHIFTER

#11
20240332778
2024-10-03

DIRECTIONAL COUPLER, RADIO FREQUENCY MODULE, AND COMMUNICATION APPARATUS

#12
20240291458
2024-08-29

MULTILAYER ELECTRONIC COMPONENT

#13
20240188211
2024-06-06

ANTENNA BACKPLANE WITH REDUCED CROSSTALK AND METHOD FOR MAKING SAME

#14
20240106116
2024-03-28

WIDEBAND COMPACT RADIO FREQUENCY PHASE SHIFTER

#15
20230403043
2023-12-14

TRANSMISSION CIRCUIT

#16
20230361850
2023-11-09

FILTER COMBINATIONS FOR CARRIER AGGREGATION

#17
20230361793
2023-11-09

TRANSMISSION CIRCUIT

#18
20230216468
2023-07-06

Dual-band 360 degree phase shifter using series/parallel resonance circuit for phased array antenna system

#19
20230216191
2023-07-06

Electronically reconfigurable 2-bit phase quantization phased array element

#20
20220231656
2022-07-21

Coil unit decoupling apparatus and magnetic resonance system

#21
20220140800
2022-05-05

Phase shifter and antenna

#22
20220029597
2022-01-27

CONTINUOUSLY ADJUSTABLE ANALOG PHASE SHIFTER

#23
20210335533
2021-10-28

Coil device, phase shift circuit, and communication apparatus

#24
20210167746
2021-06-03

DISTRIBUTED VARACTOR NETWORK WITH EXPANDED TUNING RANGE

#25
20210098983
2021-04-01

System for controlling phase shifting of superconducting electric machines

#26
20210050818
2021-02-18

Power amplifier

#27
20210044309
2021-02-11

Wireless transmission circuit and control method thereof

#28
20200373897
2020-11-26

Artificial transmission line using t-coil sections

#29
20200365311
2020-11-19

Reactor, core member, and power supply circuit

#30
20200358516
2020-11-12

Carrier aggregation circuit having multi-stage filter combination

#31
20200259423
2020-08-13

Microwave-rectifying circuit

#32
20200202248
2020-06-25

Thresholding of qubit phase registers for quantum recommendation systems

#33
20200186126
2020-06-11

Radio frequency module, front end module, and communication device

#34
20200162033
2020-05-21

Broadband harmonic matching network using low-pass type broadband matching

#35
20200153412
2020-05-14

Radio frequency filter, multiplexer, radio frequency front-end circuit, and communication device

#36
20200136581
2020-04-30

Phase shifter

#37
20200067462
2020-02-27

HIGH FREQUENCY AMPLIFIER

#38
20200014363
2020-01-09

Branch-line coupler

#39
20190372192
2019-12-05

Circulator for use in superconducting quantum technology

#40
20190348961
2019-11-14

Coupler circuit with phase compensation function

#41
20190252754
2019-08-15

Circulator for use in superconducting quantum technology

#42
20190187273
2019-06-20

Radar system comprising coupling device

#43
20190157754
2019-05-23

RF signal switching, phase shifting and polarization control

#44
20190149117
2019-05-16

Reflection type phase shifter with active device tuning

#45
20190123412
2019-04-25

Variable capacitors and switches fabricated using electrowetting on dielectric techniques and related phase shifters, base station antennas and other devices

#46
20190058450
2019-02-21

Valley and peak detection for switching power converter

#47
20190051440
2019-02-14

High-frequency transformer and phase shifter

#48
20180366921
2018-12-20

Bullet-resistant electrical installation

#49
20180358947
2018-12-13

Filter circuits having acoustic wave resonators in a transversal configuration

#50
20180269845
2018-09-20

Reflection type phase shifter with active device tuning

#51
20180062232
2018-03-01

Frequency tunable reflectionless bandstop filter using L-resonators

#52
20170373363
2017-12-28

Phase shifter and feed network including a microstrip/coplanar waveguide coupling structure having vertical projections

#53
20170279251
2017-09-28

Bullet-resistant electrical installation

#54
20170155375
2017-06-01

RF Filter

#55
20170155374
2017-06-01

Duplexer

#56
20170133999
2017-05-11

Phase shifter, impedance matching circuit, multi/demultiplexer, and communication terminal apparatus

#57
20170117868
2017-04-27

Transformer-type phase shifter, phase-shift circuit, and communication terminal apparatus

#58
20170077584
2017-03-16

Use of electrical power multiplication for power smoothing in power distribution

#59
20170012599
2017-01-12

Antenna matching apparatus

#60
20160336634
2016-11-17

Non-reciprocal circuit element

#61
20160294350
2016-10-06

Tunable duplexing circuit

#62
20160204756
2016-07-14

Converting a symmetrical input signal of a magnetic resonance arrangement into an asymmetrical output signal

#63
20160182006
2016-06-23

High-selectivity low-loss duplexer

#64
20160181704
2016-06-23

Circularly polarized antenna and feeding network

#65
20160112032
2016-04-21

Reflective vector modulators

#66
20150341011
2015-11-26

Reconfigurable rat race coupler

#67
20150341009
2015-11-26

Reconfigurable bandstop filter

#68
20150108210
2015-04-23

RFID positioning and tracking apparatus and methods

#69
20150002146
2015-01-01

System and method for a transformer and a phase-shift network

#70
20140152400
2014-06-05

Phase shifters and tuning elements

#71
20130162225
2013-06-27

MULTIPHASE CONVERTER COMPRISING MAGNETICALLY COUPLED PHASES

#72
20120299789
2012-11-29

Circularly polarized antenna and feeding network

#73
20120299651
2012-11-29

FEED-BACK AND FEED-FORWARD SYSTEMS AND METHODS TO REDUCE OSCILLATOR PHASE-NOISE

#74
20110121912
2011-05-26

Asymmetric power divider

#75
20100237958
2010-09-23

Feed-back and feed-forward systems and methods to reduce oscillator phase-noise

#76
20100123502
2010-05-20

SYSTEM FOR PROVIDING A SUBSTANTIALLY UNIFORM POTENTIAL PROFILE

#77
20100026414
2010-02-04

Filter, duplexer, and communication apparatus

#78
20090052597
2009-02-26

Scalable reconfigurable concurrent filter for wide-bandwidth communication

#79
20090020871
2009-01-22

SEMICONDUCTOR CHIP WITH SOLDER BUMP SUPPRESSING GROWTH OF INTER-METALLIC COMPOUND AND METHOD OF FABRICATING THE SAME

#80
20080180190
2008-07-31

Phase shifter circuit

#81
20080024242
2008-01-31

Phase shifter, method of fabricating the same, and duplexer having the same

#82
20070040631
2007-02-22

Method and apparatus for electrically adjusting delay in radio-frequency systems

#83
20060212176
2006-09-21

Use of electrical power multiplication for power smoothing in power distribution

#84
20060190513
2006-08-24

Systems and methods for power smoothing in power distribution

#85
20060170514
2006-08-03

Monolithically integrated switchable circuits with MEMS

#86
20060081624
2006-04-20

High-frequency heating device, semiconductor manufacturing device, and light source device

#87
20060066419
2006-03-30

Duplexer with filters including film bulk acoustic resonators

#88
20060055485
2006-03-16

Duplexer and method of isolating an Rx-band and a Tx-band

#89
17523300
2024-10-15

Harmonic suppressed bandwidth and center frequency tunable capacitive coupled band pass filter

#90
16534906
2020-07-14

Delay compensation using broadband gain equalizer