ClassID:

214075

H01P5/182 - CPC Classification

Classification description:

Coupling devices of the waveguide type; Coupling devices having more than two ports; Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides the waveguides being arranged in parallel

Recent Application in this class:
#1
20250174871
2025-05-29

WAVEGUIDE COUPLER WITH SELF-CONTAINED POLARIZATION ROTATION FOR INTEGRATED WAVEGUIDES, CIRCUITS, AND SYSTEMS

#2
20240322411
2024-09-26

COMPACT FEED SYSTEM WITH DEVELOPABLE WAVEGUIDE H-PLANE DIRECTIONAL COUPLER

#3
20240266156
2024-08-08

MODULE FOR MEASURING CURRENT/VOLTAGE/POWER OF PLASMA APPARATUS AND PLASMA APPARATUS INCLUDING THE SAME

#4
20220399629
2022-12-15

Directional coupler comprising a first linear conductor coupled to a second winding conductor, such that the first conductor has a length less than one-quarter wavelength

#5
20210367352
2021-11-25

Radar antenna array with parasitic elements excited by surface waves

#6
20210242561
2021-08-05

Coupler module

#7
20210184339
2021-06-17

Radio-frequency seal at interface of waveguide blocks

#8
20210119351
2021-04-22

Reflector antenna with minimal focal distance and low cross-polarization

#9
20210119315
2021-04-22

Waveguide hybrid couplers

#10
20210096238
2021-04-01

Integrated MIMO and SAR radar antenna architecture

#11
20210013577
2021-01-14

Connector for connecting a waveguide to a board and having a first opening part facing the board and a second opening part for receiving the waveguide

#12
20200343615
2020-10-29

Waveguide transition between front and rear windows connected by a tapered plate to form upper and lower chambers that define an energy path through the transition

#13
20200272107
2020-08-27

Molecular atomic clock with wave propagating rotational spectroscopy cell

#14
20200259235
2020-08-13

High-electron mobility transistor terahertz wave modulator loaded in waveguide

#15
20200194862
2020-06-18

WAVEGUIDE DEVICE, ANTENNA DEVICE, AND COMMUNICATION DEVICE

#16
20200194861
2020-06-18

Radiofrequency RF rotating joint for rotary RF wave-guiding device and rotary RF device including such a joint

#17
20200161736
2020-05-21

Directional coupler, waveguide device, and diplexer

#18
20200091577
2020-03-19

Directional coupler and a method of manufacturing thereof

#19
20200076044
2020-03-05

Simplification of complex waveguide networks

#20
20200076043
2020-03-05

High-Q dispersion-compensated parallel-plate diplexer

#21
20200052413
2020-02-13

Radar antenna array with parasitic elements excited by surface waves

#22
20200036088
2020-01-30

Radio-frequency seal at interface of waveguide blocks

#23
20190204787
2019-07-04

Molecular atomic clock with wave propagating rotational spectroscopy cell

#24
20190196107
2019-06-27

Polarization selective coupler

#25
20190181532
2019-06-13

Methods and apparatus for bidirectional exchange of electromagnetic waves

#26
20190123414
2019-04-25

Three-way power divider and multibeam forming circuit

#27
20190115644
2019-04-18

Power couplers and related devices having antenna element power absorbers

#28
20190074569
2019-03-07

Directional coupler

#29
20190058233
2019-02-21

Waveguide circuit

#30
20180364348
2018-12-20

Integrated MIMO and SAR radar antenna architecture

#31
20180329029
2018-11-15

3D compact reactive beam forming network for automotive radars

#32
20180212324
2018-07-26

Antenna array system for producing dual polarization signals

#33
20180097271
2018-04-05

Simplification of complex waveguide networks

#34
20180048045
2018-02-15

Signal transmission system, connector apparatus, electronic device, and signal transmission method

#35
20180040938
2018-02-08

Directional coupler and a combiner

#36
20180013208
2018-01-11

Radar antenna array with parasitic elements excited by surface waves

#37
20170237137
2017-08-17

Filter, branching filter, wireless communication module, base station, and control method

#38
20170162938
2017-06-08

Beam forming network for feeding short wall slotted waveguide arrays

#39
20170093014
2017-03-30

Combiner, a power directional coupler and a method for manufacturing a power directional coupler and a combiner

#40
20170012336
2017-01-12

Microwave component of cavity type

#41
20160380331
2016-12-29

Directional coupler and diplexer

#42
20160380330
2016-12-29

Directional coupler and diplexer

#43
20160372809
2016-12-22

Phase shifter of the cavity type including a feeding network, a slideable dielectric element and a transformation device, which are mounted within the cavity of the phase shifter

#44
20150280650
2015-10-01

Modular spatially combined EHF power amplifier

#45
20140152397
2014-06-05

Multi-level power amplification system

#46
20130271237
2013-10-17

Diplexer for homodyne FMCW-radar device

#47
20120229219
2012-09-13

Multi-level power amplification system

#48
20120086518
2012-04-12

Selectable coupling level waveguide coupler

#49
20110006854
2011-01-13

WAVEGUIDE COUPLER

#50
20100315178
2010-12-16

Waveguide power divider having coupling slots between stacked waveguide portions and method of manufacture

#51
20090303145
2009-12-10

Post-wall waveguide based short slot directional coupler, butler matrix using the same and automotive radar antenna

#52
20090289742
2009-11-26

WAVEGUIDE COUPLER

#53
20090231055
2009-09-17

Multi-level power amplification system

#54
20080280583
2008-11-13

Submillimeter wave heterodyne receiver

#55
20070252759
2007-11-01

Beam forming system

#56
17966757
2025-12-16

Waveguide tuner with signal coupler-divider

#57
17725728
2025-09-16

Sub-THz vector load pull tuner

#58
17584252
2022-12-06

Waveguide combiner/divider having plural input/output ports with longitudinal extent

#59
14977940
2018-08-21

3D compact reactive beam forming network for automotive radars

#60
13419108
2015-08-18

Radio frequency comparator waveguide system