ClassID:

214500

H01Q21/0043 - CPC Classification

Classification description:

Antenna arrays or systems; Particular feeding systems linear waveguide fed arrays Slotted waveguides

Sub-classes:
Recent Application in this class:
#1
20260094976
2026-04-02

LOW CONDUCTIVITY FREQUENCY SELECTIVE SURFACES FOR A FABRY PEROT CAVITY ANTENNA CONFIGURATION

#2
20260051660
2026-02-19

ANTENNA ASSEMBLY WITH METALLIZED CAVITY WAVEGUIDE

#3
20250385440
2025-12-18

MULTI-ANTENNA SYSTEM WITH SLOTTED ANTENNA ELEMENTS AND EXTENDED GROUND PLANE

#4
20250167448
2025-05-22

5G Ultra-Wideband Dipole Antenna

#5
20250158286
2025-05-15

ANTENNA DEVICE, RADAR DEVICE, AND TRANSFER DEVICE

#6
20250023255
2025-01-16

Etch Profile Control Of Polysilicon Structures Of Semiconductor Devices

#7
20250023246
2025-01-16

HOLOGRAPHIC ANTENNA AND ELECTRONIC DEVICE

#8
20240266730
2024-08-08

5G ultra-wideband dipole antenna

#9
20240186714
2024-06-06

Low-Profile Passive Reflectors For Radar Detection Of Road Markings

#10
20240030622
2024-01-25

Waveguide Antenna

#11
20230420868
2023-12-28

Electronic Device with Integrated Housing and Display Antenna

#12
20230378656
2023-11-23

Radar antenna system comprising an air waveguide antenna having a single layer material with air channels therein which is interfaced with a circuit board

#13
20230327330
2023-10-12

Waveguide with Radiation Slots and Parasitic Elements for Asymmetrical Coverage

#14
20230163487
2023-05-25

SLOT ANTENNAS WITH BRIDGE PORTIONS

#15
20230111552
2023-04-13

WAVEGUIDE FOR TRANSMITTING MICROWAVE SIGNALS

#16
20220368021
2022-11-17

Two-part folded waveguide having a sinusoidal shape channel including horn shape radiating slots formed therein which are spaced apart by one-half wavelength

#17
20220302600
2022-09-22

Waveguide with a beam-forming feature with radiation slots

#18
20220302570
2022-09-22

Apparatus, method and system comprising an air waveguide antenna having a single layer material with air channels therein which is interfaced with a circuit board

#19
20220294102
2022-09-15

Roof antenna with embedded mm wave antenna

#20
20220271437
2022-08-25

Plastic air-waveguide antenna with conductive particles

#21
20220200160
2022-06-23

Waveguide end array antenna to reduce grating lobes and cross-polarization

#22
20220200137
2022-06-23

Waveguide with radiation slots and parasitic elements for asymmetrical coverage

#23
20220181790
2022-06-09

Single substrate ultra-wideband antenna and antenna array

#24
20220109247
2022-04-07

Plastic air-waveguide antenna with conductive particles

#25
20210376454
2021-12-02

Calibration device, base station antenna and a communication assembly

#26
20210288399
2021-09-16

Multiple feed slot antenna

#27
20210265736
2021-08-26

Waveguide slot antenna

#28
20210257741
2021-08-19

High efficiency compact slotted antenna with a ground plane

#29
20210249784
2021-08-12

Waveguide signal confinement structures and related sensor assemblies

#30
20210242602
2021-08-05

Antenna device, antenna module, communication device, and radar device

#31
20210218145
2021-07-15

Antenna and mobile terminal

#32
20210210865
2021-07-08

Slotted substrate integrated air waveguide antenna array

#33
20210151870
2021-05-20

Shell and wireless device using the same

#34
20210036430
2021-02-04

Wireless communication system using a leaky transmission line for direct two-way communication and usable in a flying object

#35
20210036411
2021-02-04

Plated, injection molded, automotive radar waveguide antenna

#36
20210028529
2021-01-28

Transitional waveguide structures and related sensor assemblies

#37
20200412002
2020-12-31

Antenna Element and Array Antenna

#38
20200373678
2020-11-26

Substrate-integrated waveguide slot antenna with metasurface

#39
20200295457
2020-09-17

Scanned antenna and method of inspecting scanned antenna

#40
20200295447
2020-09-17

Multiple feed slot antenna

#41
20200295431
2020-09-17

Offset block waveguide coupler

#42
20200271777
2020-08-27

Integrated digital active phased array antenna and wingtip collision avoidance system

#43
20200212572
2020-07-02

Hybrid multi-band antenna array

#44
20200153096
2020-05-14

Device with programmable reflector for transmitting or receiving electromagnetic waves

#45
20200127360
2020-04-23

Feed circuit, antenna, and method for configuring antenna

#46
20200059002
2020-02-20

ELECTROMAGNETIC ANTENNA

#47
20200044351
2020-02-06

Structure, antenna, wireless communication module, and wireless communication device

#48
20200014100
2020-01-09

Plated, injection molded, automotive radar waveguide antenna

#49
20190393618
2019-12-26

Circular polarized quadrifilar helix antennas electronics

#50
20190393610
2019-12-26

Circular polarized quadrifilar helix antennas

#51
20190391224
2019-12-26

Circular polarized angle of arrival measuring system

#52
20190379121
2019-12-12

Antenna system and mobile terminal using same

#53
20190326678
2019-10-24

STRUCTURE, ANTENNA, WIRELESS COMMUNICATION MODULE, AND WIRELESS COMMUNICATION DEVICE

#54
20190296438
2019-09-26

Mobile device

#55
20190229427
2019-07-25

INTEGRATED WAVEGUIDE CAVITY ANTENNA AND REFLECTOR DISH

#56
20190229418
2019-07-25

Array antenna device

#57
20190115651
2019-04-18

Beam-steering antenna

#58
20190109372
2019-04-11

Plated, injection molded, automotive radar waveguide antenna

#59
20180323510
2018-11-08

Multiband antenna with phase-center co-allocated feed

#60
20180254562
2018-09-06

Vivaldi antenna-based antenna system

#61
20180212324
2018-07-26

Antenna array system for producing dual polarization signals

#62
20180090846
2018-03-29

Waveguide power divider, waveguide phase shifter, and polarized antenna using same

#63
20180076009
2018-03-15

Methods and systems for plasma deposition and treatment

#64
20180034140
2018-02-01

Plated, injection molded, automotive radar waveguide antenna

#65
20180031699
2018-02-01

Low-cost lightweight integrated antenna for airborne weather radar

#66
20170346170
2017-11-30

Antenna device with accurate beam elevation control useable on an automated vehicle

#67
20170343667
2017-11-30

Integrated digital active phased array antenna and wingtip collision avoidance system

#68
20170288313
2017-10-05

Dual slot SIW antenna unit and array module thereof

#69
20170288291
2017-10-05

Horn antenna device

#70
20170279203
2017-09-28

Folded radiation slots for short wall waveguide radiation

#71
20170231035
2017-08-10

Traveling wave antenna for electromagnetic heating

#72
20170179764
2017-06-22

Radiative wireless power transmission

#73
20170162938
2017-06-08

Beam forming network for feeding short wall slotted waveguide arrays

#74
20170141479
2017-05-18

Travelling wave antenna feed structures

#75
20170123057
2017-05-04

SENSOR FOR A ROLLER TRACK AND METHOD FOR RECOGNIZING OBJECTS LOCATED ON A ROLLER TRACK

#76
20170084462
2017-03-23

Electromagnetic wave treatment of a substrate at microwave frequencies using a wave resonator

#77
20160301143
2016-10-13

Array antenna

#78
20160126637
2016-05-05

Slotted waveguide array antenna and slotted array antenna module

#79
20160126636
2016-05-05

Antenna module and method for mounting the same

#80
20160043475
2016-02-11

Folded radiation slots for short wall waveguide radiation

#81
20160028165
2016-01-28

Ridge waveguide slot array for broadband application

#82
20150288062
2015-10-08

Slot array antenna with dielectric slab for electrical control of beam down-tilt

#83
20150236414
2015-08-20

Antenna array system for producing dual circular polarization signals utilizing a meandering waveguide

#84
20150229027
2015-08-13

Waveguide tube slot antenna and wireless device provided therewith

#85
20150222021
2015-08-06

Ridged waveguide feed structures for reconfigurable antenna

#86
20150222014
2015-08-06

Waveguide feed structures for reconfigurable antenna

#87
20150028972
2015-01-29

Methods and systems for plasma deposition and treatment

#88
20150020735
2015-01-22

Methods and systems for plasma deposition and treatment

#89
20140354417
2014-12-04

Position detection system

#90
20140292603
2014-10-02

Distributed antenna system and method of manufacturing a distributed antenna system

#91
20140055311
2014-02-27

Ridged waveguide slot array

#92
20140050283
2014-02-20

Millimeter-wave slot antenna systems and methods with improved gain

#93
20140002211
2014-01-02

Waveguide-based wireless distribution system and method of operation

#94
20130120206
2013-05-16

Modular feed network

#95
20130057431
2013-03-07

On-board directional flat-plate antenna, vehicle comprising such an antenna, and satellite telecommunication system comprising such a vehicle

#96
20130009805
2013-01-10

Method for arranging antenna device, radar apparatus, and dielectric member

#97
20120249363
2012-10-04

Long range millimeter wave surface imaging radar system

#98
20120122390
2012-05-17

Waveguide-based wireless distribution system and method of operation

#99
20120038503
2012-02-16

Coaxially-fed slot array antenna and vehicle radar apparatus

#100
20110248884
2011-10-13

Slot antenna and radar device

#101
20110215979
2011-09-08

Circularly polarized omnidirectional antennas and methods

#102
20110199254
2011-08-18

Millimeter wave surface imaging radar system

#103
20110109497
2011-05-12

Antenna device and radar apparatus

#104
20110005461
2011-01-13

Methods and systems for plasma deposition and treatment

#105
20100321265
2010-12-23

Waveguide slot array antenna apparatus

#106
20100204867
2010-08-12

COLLISION AVOIDANCE SYSTEM AND METHOD

#107
20100149061
2010-06-17

Integrated waveguide cavity antenna and reflector dish

#108
20100148892
2010-06-17

Slot antenna device including a transmission line to waveguide transformer having differential feed pins

#109
20100066623
2010-03-18

Waveguide radiator, especially for synthetic aperture radar systems

#110
20090325628
2009-12-31

Waveguide-based wireless distribution system and method of operation

#111
20090243950
2009-10-01

Scanning antenna with beam-forming waveguide structure

#112
20090174609
2009-07-09

Stripline-type composite right/left-handed transmission line or left-handed transmission line, and antenna that uses same

#113
20090135051
2009-05-28

Mobile millimeter wave imaging radar system

#114
20090096692
2009-04-16

Flat Antenna System With a Direct Waveguide Access

#115
20090066598
2009-03-12

Modular waveguide feed horn

#116
20090046025
2009-02-19

Improvements relating to antenna arrays

#117
20080272973
2008-11-06

Dual band slot array antenna above ground plane

#118
20080266195
2008-10-30

Waveguide Slot Array Antenna Assembly

#119
20080048922
2008-02-28

Integrated waveguide antenna array

#120
20070069966
2007-03-29

Waveguide slot antenna and arrays formed thereof

#121
20070063914
2007-03-22

Waveguide-based wireless distribution system and method of operation

#122
20060001587
2006-01-05

RLSA antenna having two orthogonal linear polarizations

#123
20050280595
2005-12-22

Short resonant ridge waveguide load under radiation slot

#124
20050179582
2005-08-18

Radar detection method and apparatus

#125
18224539
2024-05-07

5G ultra-wideband dipole antenna

#126
17359779
2023-09-12

5G ultra-wideband dipole antenna

#127
16379767
2022-04-05

5G broadband antenna

#128
16113129
2019-11-05

Dual-polarized fractal antenna feed architecture employing orthogonal parallel-plate modes

#129
15904332
2018-10-16

Antenna system for a large appliance

#130
15853996
2019-05-07

Cavity backed slot antenna with in-cavity resonators

#131
15482790
2018-03-06

Antenna system for a large appliance

#132
13875008
2016-06-28

Methods and apparatus for dual polarized super-element phased array radiator