ClassID:

214085

H01P5/222 - 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 of the junction type; Hybrid ring junctions 180° rat race hybrid rings

Recent Application in this class:
#1
20260088522
2026-03-26

RF MIMO Communication System with Signal Restructuring

#2
20240372271
2024-11-07

ULTRA WIDEBAND (UWB) LINK CONFIGURATION METHODS AND SYSTEMS

#3
20240222839
2024-07-04

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

#4
20230243869
2023-08-03

SYSTEM AND METHOD FOR ATTENUATING AND/OR TERMINATING RF CIRCUIT

#5
20230034066
2023-02-02

Broadband and low cost printed circuit board based 180° hybrid couplers on a single layer board

#6
20220263251
2022-08-18

Ultra wideband (UWB) link configuration methods and systems

#7
20220263212
2022-08-18

High frequency power divider/combiner circuit including a rat-race coupler coupled by first and second coupling structures to first and second input/output ports

#8
20210391635
2021-12-16

Coupled-line rat-race coupler with smooth in-phase and out-of-phase performances

#9
20200276047
2020-09-03

DEVICE AND METHOD FOR OPENING AN AIRWAY

#10
20200176846
2020-06-04

Magnetic rings as feeds and for impedance adjustment

#11
20200169286
2020-05-28

Low-insertion-loss triple throw switch

#12
20200127709
2020-04-23

OAM pseudo-doppler receiving architecture

#13
20190273298
2019-09-05

Holographic mode conversion for transmission lines

#14
20190187273
2019-06-20

Radar system comprising coupling device

#15
20190074569
2019-03-07

Directional coupler

#16
20190038453
2019-02-07

Device and method for opening an airway

#17
20180331408
2018-11-15

Circuits and methods for non-reciprocal circulators and transceivers using same

#18
20180294537
2018-10-11

Low dispersion phase shifter based on modified hybrid ring power divider

#19
20180233798
2018-08-16

Demultiplexer/multiplexer, antenna device, and fading elimination method

#20
20180191047
2018-07-05

Structure comprising at least a first element bonded to a carrier having a closed metallic channel waveguide formed therein

#21
20180131060
2018-05-10

Holographic mode conversion for transmission lines

#22
20180090810
2018-03-29

Annular directional coupler, in particular for microwave-based distance sensors

#23
20170367874
2017-12-28

Device and method for opening an airway

#24
20150341011
2015-11-26

Reconfigurable rat race coupler

#25
20150222004
2015-08-06

TERMINATIONLESS POWER SPLITTER/COMBINER

#26
20140347234
2014-11-27

Polarization-diverse antennas and systems

#27
20140203888
2014-07-24

Electromagnetic resonance coupler

#28
20140125427
2014-05-08

WIDE BAND SUM & DIFFERENCE CIRCUIT FOR MONOLITHIC MICROWAVE INTEGRATED CIRCUIT

#29
20130334964
2013-12-19

Microwave power delivery system for plasma reactors

#30
20130300627
2013-11-14

Terminationless power splitter/combiner

#31
20130050012
2013-02-28

Microstrip coupler combining transmit-receive signal separation and differential to single ended conversion

#32
20120229330
2012-09-13

RF circuit with improved antenna matching

#33
20120139661
2012-06-07

Compact dual-band metamaterial-based hybrid ring coupler

#34
20110227667
2011-09-22

WAVEGUIDE TYPE RAT-RACE CIRCUIT AND MIXER USING SAME

#35
20110102241
2011-05-05

Continuous-wave field disturbance sensing system

#36
20110102240
2011-05-05

Method of down converting high-frequency signals

#37
20110066086
2011-03-17

Device and method for opening an airway

#38
20100093293
2010-04-15

RF circuit with improved antenna matching

#39
20090289737
2009-11-26

Compact dual-band metamaterial-based hybrid ring coupler

#40
20080191940
2008-08-14

Electrically steerable phased array antenna system

#41
20070236402
2007-10-11

Waveguide antenna using a continuous loop waveguide feed and method of propagating electromagnetic waves

#42
20070103253
2007-05-10

180 degrees hybrid coupler

#43
20060208828
2006-09-21

DC isolated phase inverter and a ring hybrid coupler including the DC isolated phase inverter

#44
20060109063
2006-05-25

Matching for ring hybrid