ClassID:

214065

H01P5/10 - CPC Classification

Classification description:

Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced with unbalanced lines or devices

Sub-classes:
Recent Application in this class:
#1
20260135282
2026-05-14

WIDEBAND PASSIVE BALUN

#2
20260019092
2026-01-15

HYBRID LATTICE FILTER WITH ACOUSTIC BALUN

#3
20250286273
2025-09-11

MULTI-TAPERED COAXIAL BALUN

#4
20240372271
2024-11-07

ULTRA WIDEBAND (UWB) LINK CONFIGURATION METHODS AND SYSTEMS

#5
20240332764
2024-10-03

PLANAR BALUN AND POWER AMPLIFIER USING THE PLANAR BALUN

#6
20240258675
2024-08-01

WIDE BAND PASSIVE BALUN

#7
20240250400
2024-07-25

BALUN STRUCTURE AND ELECTRONIC DEVICE

#8
20240222839
2024-07-04

Rat-race balun and associated method for reducing the footprint of a rat-race balun

#9
20240146271
2024-05-02

UNBALANCED-TO-BALANCED TRANSFORMATION CIRCUIT AND RADIO-FREQUENCY AMPLIFIER

#10
20240120629
2024-04-11

TRANSMISSION LINE PHASE SHIFTER, SYSTEM, CHIP, AND RADAR SENSOR

#11
20240072405
2024-02-29

COMPACT BALUN WITH OUT-OF-BAND SPURIOUS SUPPRESSION

#12
20230231594
2023-07-20

Ultra compact and wide band folded Marchand Balun for millimeter-wave and beyond wireless communication

#13
20230198114
2023-06-22

Planar balun with non-uniform microstrip line width to improve S-parameter alignment

#14
20230187804
2023-06-15

Transition formed of LTCC material and having stubs that match input impedances between a single-ended port and differential ports

#15
20230179240
2023-06-08

Semiconductor chip with local oscillator buffer reused for loop-back test and associated loop-back test method

#16
20230142297
2023-05-11

PHASED CIRCULAR ARRAY OF PLANAR OMNIDIRECTIONAL RADIATING ELEMENTS

#17
20230124600
2023-04-20

BALUN PHASE AND AMPLITUDE IMBALANCE CORRECTION

#18
20230039529
2023-02-09

Transition between a single-ended port and differential ports having stubs that match with input impedances of the single-ended and differential ports

#19
20230036529
2023-02-02

Balun

#20
20230036397
2023-02-02

BALUN

#21
20230027154
2023-01-26

BALUN

#22
20230022305
2023-01-26

Antenna and Electronic Device

#23
20230013875
2023-01-19

Balun

#24
20220321086
2022-10-06

Balun including a resistor in parallel with a transmission line and which is configured to distribute power loss over a greater frequency range

#25
20220311117
2022-09-29

Balun comprising stepped transitions between balance and unbalance connections, where the stepped transitions include ground rings of differing lengths connected by caged vias

#26
20220301705
2022-09-22

BIOLOGICAL INFORMATION MONITORING APPARATUS AND MRI APPARATUS

#27
20220263251
2022-08-18

Ultra wideband (UWB) link configuration methods and systems

#28
20220255526
2022-08-11

Balun circuit structure and balun device

#29
20220209387
2022-06-30

Differential fed dual polarized tightly coupled dielectric cavity radiator for electronically scanned array applications

#30
20220173712
2022-06-02

Balun

#31
20220149500
2022-05-12

Microelectronic assemblies with substrate integrated waveguide

#32
20220140848
2022-05-05

Semiconductor chip with local oscillator buffer reused for loop-back test and associated loop-back test method

#33
20220102826
2022-03-31

Balun

#34
20220069794
2022-03-03

Filter circuit and balun circuit

#35
20220052657
2022-02-17

RF power amplifier with balun transformer

#36
20210376481
2021-12-02

Radiation apparatus and multi-band array antenna

#37
20210281236
2021-09-09

Balun and method for manufacturing the same

#38
20210281230
2021-09-09

Microwave and radio frequency (RF) power electronics system having power combiner circuit

#39
20210257726
2021-08-19

Area-efficient balun

#40
20210249747
2021-08-12

Balance-unbalance conversion apparatus, communications device, and communications system

#41
20210242852
2021-08-05

Multilayer balun

#42
20210194451
2021-06-24

Wideband balun

#43
20210167481
2021-06-03

LTCC wide stopband filtering balun based on discriminating coupling

#44
20210151848
2021-05-20

Magnetic balun/transformer with post processing adjustments

#45
20210036673
2021-02-04

Power combiner circuit

#46
20210005430
2021-01-07

Microwave applicator with solid-state generator power source

#47
20200366310
2020-11-19

Digital-to-analog converter

#48
20200343645
2020-10-29

Differential segmented aperture

#49
20200343614
2020-10-29

Magnetic balun/transformer with post processing adjustments

#50
20200220516
2020-07-09

Wideband balun

#51
20200177151
2020-06-04

CMOS Guanella balun

#52
20200176884
2020-06-04

Waveguide device and antenna array

#53
20200116759
2020-04-16

TEST PROBE ASSEMBLY FOR HIGH FREQUENCY DEVICE CHARACTERIZATION

#54
20200076041
2020-03-05

Lumped circuit balance converter applied to double-sided parallel lines

#55
20200051732
2020-02-13

Magnetic core, method for manufacturing a magnetic core and balun with a magnetic core

#56
20190363420
2019-11-28

Antenna device and receiver

#57
20190348739
2019-11-14

Antenna device and reception device

#58
20190305396
2019-10-03

Microelectronic assemblies comprising a package substrate portion integrated with a substrate integrated waveguide filter

#59
20190295969
2019-09-26

Balance-unbalance converter and semiconductor integrated circuit having the same

#60
20190245520
2019-08-08

Balun arrangement

#61
20190214731
2019-07-11

Multiband circularly polarised antenna

#62
20190207283
2019-07-04

Waveguide interface and printed circuit board launch transducer assembly and methods of use thereof

#63
20190181841
2019-06-13

On-chip balun circuit and multi-port antenna switch circuit

#64
20190157740
2019-05-23

Balun circuit arrangement

#65
20190067823
2019-02-28

Surface mounted notch radiator with folded balun

#66
20190036230
2019-01-31

Waveguide device and antenna array

#67
20190020092
2019-01-17

Filter circuit and frequency switching method

#68
20190017931
2019-01-17

On-chip, wideband, differentially fed antennas with integrated bias structures

#69
20180278240
2018-09-27

On-chip balun circuit and multi-port antenna switch circuit

#70
20180269037
2018-09-20

Microwave applicator with solid-state generator power source

#71
20180175820
2018-06-21

Balanced/unbalanced converter

#72
20180166764
2018-06-14

Balun circuit

#73
20180159233
2018-06-07

Antenna structure for distributed antenna system

#74
20180131070
2018-05-10

Planar balun transformer device

#75
20180123551
2018-05-03

Coupled-line balun with common-mode nulling

#76
20180097479
2018-04-05

Mixer

#77
20180090848
2018-03-29

Waveguide connector with tapered slot launcher

#78
20180083590
2018-03-22

Power amplifying converter

#79
20180083350
2018-03-22

Up-down zigzag additive spiral antenna

#80
20180053984
2018-02-22

Wilkinson combiner and wilkinson divider

#81
20170345542
2017-11-30

Gas Chromatograph And Multiport Valve Unit For A Gas Chromatograph

#82
20170317422
2017-11-02

Low profile wideband planar antenna element with integrated baluns

#83
20170279430
2017-09-28

Circuit

#84
20170250668
2017-08-31

Marchand balun

#85
20170084978
2017-03-23

Multi-octave 180 degree phase bit

#86
20170077895
2017-03-16

Balun for trapping RF current on a transmission line

#87
20170062896
2017-03-02

Converting a single-ended signal to a differential signal

#88
20170026201
2017-01-26

Wideband RF device

#89
20170026023
2017-01-26

Balun transformer

#90
20160380334
2016-12-29

Mobile terminal to prevent degradation of antenna characteristics

#91
20160308511
2016-10-20

Frequency tunable balun

#92
20160308284
2016-10-20

Balun

#93
20160254584
2016-09-01

Devices with S-shaped balun segment and related methods

#94
20160248161
2016-08-25

Wide-band antenna

#95
20160248140
2016-08-25

LTCC balun filter using two out-of-phase filtering circuits

#96
20160240930
2016-08-18

Multiple-input multiple-output (MIMO) antenna

#97
20160218409
2016-07-28

Balun device for UHF signals

#98
20160197393
2016-07-07

Directional coupler and communication device including same

#99
20160190671
2016-06-30

Direct chip to waveguide transition including ring shaped antennas disposed in a thinned periphery of the chip

#100
20160190670
2016-06-30

Multiple waveguides embedded around the periphery of a chip to provide simultaneous direct transitions between the chip and the multiple waveguides

#101
20160164160
2016-06-09

Balun filter and radio-frequency system

#102
20160142037
2016-05-19

Balun transformer

#103
20160134252
2016-05-12

Method and balun for trapping RF current on a transmission line after installation

#104
20160126612
2016-05-05

Balun for converting between multiple differential signal pairs and a single ended signal

#105
20150380801
2015-12-31

Planar balun transformer device

#106
20150341014
2015-11-26

Broadband integrated RF/microwave/millimeter mixer with integrated balun(s)

#107
20150333726
2015-11-19

Apparatus and a method for electromagnetic signal transition

#108
20150303547
2015-10-22

Vaisman baluns and microwave devices employing the same

#109
20150288344
2015-10-08

Balun circuit

#110
20150263404
2015-09-17

Thin film balun

#111
20150214919
2015-07-30

Circuit

#112
20150200460
2015-07-16

Dual polarized array antenna with modular multi-balun board and associated methods

#113
20150171816
2015-06-18

Balun

#114
20150171497
2015-06-18

Isolation circuit, system for adjusting characteristic of isolation circuit, sheilding device of isolation circuit and method for adjusting characteristic of isolation circuit

#115
20150145745
2015-05-28

Balun

#116
20150035624
2015-02-05

High frequency filter

#117
20140374616
2014-12-25

Imaging antenna and related techniques

#118
20140368270
2014-12-18

Marchand balun and power amplifier using the same

#119
20140333387
2014-11-13

Conductor winding and inductors arranged to form a balun having a figure eight shape

#120
20140327491
2014-11-06

Balun circuit using a defected ground structure

#121
20140247096
2014-09-04

Balun printed on substrate

#122
20140240056
2014-08-28

Symmetric baluns and isolation techniques

#123
20140218253
2014-08-07

Stacked bowtie radiator with integrated balun

#124
20140203885
2014-07-24

Marchand balun structure and design method

#125
20140197901
2014-07-17

Feed network comprised of marchand baluns and coupled line quadrature hybrids

#126
20140191377
2014-07-10

Integrated circuit package

#127
20140139297
2014-05-22

Balun with integrated decoupling as ground shield

#128
20140043108
2014-02-13

Balun transformer

#129
20140022028
2014-01-23

Thin film balun

#130
20140022027
2014-01-23

Planar balun transformer device

#131
20130307640
2013-11-21

Transmission line resonator, bandpass filter using transmission line resonator, multiplexer, balanced-to-unbalanced transformer, power divider, unbalanced-to-balanced transformer, frequency mixer, and balance-type filter

#132
20130285760
2013-10-31

Balun

#133
20130200959
2013-08-08

Microwave frequency tunable filtering balun

#134
20130194151
2013-08-01

Embedded printed edge—balun antenna system and method of operation thereof

#135
20130187745
2013-07-25

Transmission-line transformer in which signal efficiency is maximised

#136
20130181803
2013-07-18

Wideband multilayer transmission line transformer

#137
20130169501
2013-07-04

Antenna structure for distributed antenna system

#138
20130169376
2013-07-04

Differential mode amplifier driving circuit

#139
20130160523
2013-06-27

Device and use of the device for measuring the density and/or the electron temperature and/or the collision frequency of a plasma

#140
20130157587
2013-06-20

Integrated circuit comprising an integrated transformer of the “BALUN” type with several input and output channels

#141
20130154758
2013-06-20

Balun with intermediate non-terminated conductor

#142
20130099356
2013-04-25

Semiconductor device and method of forming directional RF coupler with IPD for additional RF signal processing

#143
20130093531
2013-04-18

Balanced-unbalanced transformer

#144
20130093530
2013-04-18

Marchand balun circuit

#145
20130069736
2013-03-21

BALUNS WITH IMAGINARY COMMOND-MODE IMPEDANCE

#146
20130063225
2013-03-14

PHASE SHIFTER

#147
20130038403
2013-02-14

Differential coupler

#148
20130038401
2013-02-14

RADAR SYSTEM INCLUDING BALUN

#149
20130022133
2013-01-24

Wideband balun structure

#150
20130015858
2013-01-17

Linear resonator of a high-frequency antenna for a nuclear magnetic resonance imaging apparatus

#151
20130009723
2013-01-10

Wideband, differential signal balun for rejecting common mode electromagnetic fields

#152
20120293273
2012-11-22

High frequency coaxial balun and transformer

#153
20120274419
2012-11-01

Phase shifter using substrate integrated waveguide

#154
20120249258
2012-10-04

ELECTRONIC COMPONENT

#155
20120212302
2012-08-23

High-frequency signal combiner

#156
20120188010
2012-07-26

High frequency power amplifier

#157
20120169430
2012-07-05

INPUT APPARATUS ON CHIP FOR DIFFERENTIAL SIGNALS AND BALUN THEREOF

#158
20120161896
2012-06-28

FREQUENCY TUNABLE BALUN CIRCUIT

#159
20120161870
2012-06-28

Figure 8 balun

#160
20120146869
2012-06-14

Planar ultrawideband modular antenna array

#161
20120098623
2012-04-26

Multilayer filter

#162
20120071126
2012-03-22

Communication transceiver having a three-line balun with power amplifier bias

#163
20120068782
2012-03-22

Method and system for configurable differential or single-ended signaling in an integrated circuit

#164
20120049971
2012-03-01

Wideband balun using re-entrant coupled lines and ferrite material

#165
20120026061
2012-02-02

Embedded printed edge-balun antenna system and method of operation thereof

#166
20120019333
2012-01-26

Broadband balun

#167
20120007650
2012-01-12

Multiple E-probe waveguide power combiner/divider

#168
20110316643
2011-12-29

Thin film balun

#169
20110300813
2011-12-08

Multiple-phase frequency translated filter

#170
20110291907
2011-12-01

Droopy bowtie radiator with integrated balun

#171
20110285474
2011-11-24

Apparatus, system, and method for a compact symmetrical transition structure for radio frequency applications

#172
20110285397
2011-11-24

Baluns, a fine balance and impedance adjustment module, a multi-layer transmission line, and transmission line NMR probes using same

#173
20110273351
2011-11-10

Wideband cavity-backed slot antenna

#174
20110273228
2011-11-10

Multiple E-probe waveguide power combiner/divider

#175
20110267061
2011-11-03

Quarter wave balun for magnetic resonance imaging systems

#176
20110260823
2011-10-27

Transmission line impedance transformer and related methods

#177
20110227663
2011-09-22

3-way balun for planar-type double balanced mixer

#178
20110210804
2011-09-01

Resin multilayer device and method for manufacturing same

#179
20110181376
2011-07-28

Waveguide balun having waveguide structures disposed over a ground plane and having probes located in channels

#180
20110163825
2011-07-07

Passive component

#181
20110148733
2011-06-23

Eight-shaped RF balun

#182
20110128708
2011-06-02

Coax-balun module

#183
20110102096
2011-05-05

Marchand balun device for forming parallel and vertical capacitance

#184
20110089543
2011-04-21

Semiconductor device with a balun

#185
20110074519
2011-03-31

Transmission-line transformer

#186
20110057748
2011-03-10

Semiconductor device and communication apparatus

#187
20110057744
2011-03-10

Communication transceiver having a three-line balun with power amplifier bias

#188
20110057742
2011-03-10

Semiconductor device and method of forming directional RF coupler with IPD for additional RF signal processing

#189
20110012691
2011-01-20

1:9 BROADBAND TRANSMISSION LINE TRANSFORMER

#190
20110012690
2011-01-20

Thin film balun

#191
20110006861
2011-01-13

Liquid crystalline polymer and multilayer polymer-based passive signal processing components for RF/wireless multi-band applications

#192
20110001574
2011-01-06

Balun

#193
20100328011
2010-12-30

Mode-switching transformer

#194
20100315175
2010-12-16

Marchand balun

#195
20100301963
2010-12-02

Balun with intermediate conductor

#196
20100301962
2010-12-02

Composite balun

#197
20100253443
2010-10-07

Unbalanced-balanced converter

#198
20100246454
2010-09-30

NOVEL TRANSMIT/RECEIVE BALUN STRUCTURE

#199
20100244977
2010-09-30

Magnetic resonance compatible multichannel stripline balun

#200
20100194493
2010-08-05

Balun signal splitter

#201
20100182096
2010-07-22

Ultra-wideband balun and application module thereof

#202
20100167667
2010-07-01

Setting of a balun

#203
20100164644
2010-07-01

Thin film balun

#204
20100164643
2010-07-01

Thin film balun

#205
20100148885
2010-06-17

Complementary-conducting-strip coupled-line

#206
20100141351
2010-06-10

Balanced-unbalanced conversion element

#207
20100117755
2010-05-13

Balun circuit and integrated circuit device

#208
20100109793
2010-05-06

Thin film balun

#209
20100109792
2010-05-06

Thin film balun

#210
20100097155
2010-04-22

Stripline balun

#211
20100090776
2010-04-15

Balance-unbalance conversion element

#212
20100085270
2010-04-08

Balanced PIFA and method for manufacturing the same

#213
20100079223
2010-04-01

Miniaturized dual-balanced mixer circuit based on a trifilar layout architecture

#214
20100079220
2010-04-01

N-channel multiplexer

#215
20100079218
2010-04-01

Chockless power coupler

#216
20100060375
2010-03-11

Balun circuit manufactured by integrate passive device process

#217
20100045401
2010-02-25

Thin film balun

#218
20100045400
2010-02-25

Marchand balun with air bridge

#219
20100045396
2010-02-25

Thin film balun

#220
20100026412
2010-02-04

Compact balun

#221
20100007568
2010-01-14

Antenna with Balun

#222
20090315650
2009-12-24

METHOD AND SYSTEM FOR AN INTEGRATED CIRCUIT WITH FERROMAGNETIC LAYERS

#223
20090305647
2009-12-10

Communication transceiver having a three-line balun with power amplifier bias

#224
20090302967
2009-12-10

Tapered double balun

#225
20090295496
2009-12-03

Balun

#226
20090295495
2009-12-03

Balun

#227
20090258617
2009-10-15

Power combiner, amplifier, and transmitter

#228
20090243750
2009-10-01

Balun with series-connected balanced-signal lines

#229
20090243749
2009-10-01

Method and system for configurable differential or single-ended signaling in an integrated circuit

#230
20090237182
2009-09-24

Compact single-to-balanced bandpass filter

#231
20090237176
2009-09-24

Thin film balun

#232
20090224846
2009-09-10

Wide bandwidth microwave balun

#233
20090212879
2009-08-27

Method and system for a balun embedded in an integrated circuit package

#234
20090189621
2009-07-30

Probe device

#235
20090140824
2009-06-04

Baluns, a fine balance and impedance adjustment module, a multi-layer transmission line, and transmission line NMR probes using same

#236
20090140823
2009-06-04

BROADBAND MICROSTRIP BALUN AND METHOD OF MANUFACTURING THE SAME

#237
20090134950
2009-05-28

Passive component

#238
20090128440
2009-05-21

BALANCED ANTENNA

#239
20090115548
2009-05-07

Balun circuit and integrated circuit device

#240
20090108964
2009-04-30

Ethernet coupling

#241
20090102576
2009-04-23

Balun circuit and frequency converting apparatus

#242
20090079512
2009-03-26

Balun and electronic device using this

#243
20090066461
2009-03-12

Planar inductive structure

#244
20090045886
2009-02-19

Wide-bandwidth balanced transformer

#245
20090045885
2009-02-19

PASSIVE STRUCTURE FOR HIGH POWER AND LOW LOSS APPLICATIONS

#246
20080303607
2008-12-11

Balanced filter device

#247
20080266020
2008-10-30

Balanced splitter

#248
20080258838
2008-10-23

Multilayer balun, hybrid integrated circuit module, and multilayer substrate

#249
20080252393
2008-10-16

Balun circuit suitable for integration with chip antenna

#250
20080231389
2008-09-25

Dual band coupled-line balanced-to-unbalanced bandpass filter

#251
20080231388
2008-09-25

Broadband balancing transformer

#252
20080224796
2008-09-18

Balanced-unbalanced transformation device and method for manufacturing balanced-unbalanced transformation device

#253
20080224791
2008-09-18

Integrated balanced-unbalanced duplexer

#254
20080174382
2008-07-24

System and apparatus for a three-line balun with power amplifier bias

#255
20080113643
2008-05-15

Multi-transformer architecture for an active RF circuit

#256
20080048797
2008-02-28

High frequency component

#257
20080024380
2008-01-31

Universal Dipole

#258
20080024241
2008-01-31

High-Frequency Coupler, Rf Guide, and Antenna

#259
20080012780
2008-01-17

Laminated balun with an integrally mounted matching circuit

#260
20070290766
2007-12-20

Balun

#261
20070285189
2007-12-13

Marchand Balun With Air Bridge

#262
20070268086
2007-11-22

Transmission line balun for broadband combiners, splitters and transformers

#263
20070236306
2007-10-11

Miniaturised half-wave balun

#264
20070229368
2007-10-04

Planar coupler and integrated antenna system

#265
20070222535
2007-09-27

Balun

#266
20070210876
2007-09-13

Fbar Filter

#267
20070194862
2007-08-23

Low-rise duplexer

#268
20070194860
2007-08-23

Balun

#269
20070176707
2007-08-02

Inverted style balun with DC isolated differential ports

#270
20070170999
2007-07-26

Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation

#271
20070170998
2007-07-26

Ultra wide bandwidth balun

#272
20070164840
2007-07-19

High frequency filter

#273
20070152780
2007-07-05

MINI MULTILAYER BAND-PASS FILTER HAVING A BALANCED TO UNBALANCED SIGNAL TRANSFORMING CAPABILITY

#274
20070139133
2007-06-21

Apparatus for converting transmission structure

#275
20070132526
2007-06-14

Balanced-to-unbalanced transformer embedded with filter

#276
20070090893
2007-04-26

Symmetrizing arrangement

#277
20070085108
2007-04-19

Liquid crystalline polymer and multilayer polymer-based passive signal processing components for RF/wireless multi-band applications

#278
20070075802
2007-04-05

Wide-bandwidth balanced transformer

#279
20070063787
2007-03-22

Antenna balun

#280
20070057745
2007-03-15

Multilayer planar balun transformer, mixers and amplifiers

#281
20070052491
2007-03-08

3D MMIC balun and methods of making the same

#282
20070039863
2007-02-22

Wall mount for water treatment system

#283
20070001779
2007-01-04

High-frequency balun

#284
20060284704
2006-12-21

RF module

#285
20060284698
2006-12-21

Low-loss microstrip transmission line structure and a method for its implementation

#286
20060279374
2006-12-14

Three-dimensional balun

#287
20060273978
2006-12-07

Dipole antenna element

#288
20060220760
2006-10-05

Ultra-broadband integrated balun

#289
20060208824
2006-09-21

Compact balun

#290
20060192629
2006-08-31

Apparatus for wideband transmission conversion from coplanar waveguide to parallel transmission line

#291
20060175680
2006-08-10

Balun

#292
20060132259
2006-06-22

Microstrip-type BALUN, broadcast receiving apparatus using the same and method of forming thereof

#293
20060097820
2006-05-11

Printed circuit board built-in type planar balun and method for manufacturing same

#294
20060094357
2006-05-04

System and method for providing a single-ended receive portion and a differential transmit portion in a wireless transceiver

#295
20060071738
2006-04-06

Balanced filter device

#296
20060066415
2006-03-30

Miniaturized multi-layer balun

#297
20060061430
2006-03-23

Laminated balun transformer

#298
20060061429
2006-03-23

Laminated balun transformer

#299
20060058000
2006-03-16

Integrated radio frequency module

#300
20060044080
2006-03-02

Unbalanced-balanced multiband filter module