ClassID:

214438

H01Q15/244 - CPC Classification

Classification description:

Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices; Polarising devices; Polarisation filters ; Polarisation converters converting a linear polarised wave into a circular polarised wave

Recent Application in this class:
#1
20260074435
2026-03-12

SYSTEM INTERFERENCE CANCELLATION USING METAMATERIALS

#2
20260066932
2026-03-05

TRANSMITTING OR RECEIVING CIRCULARLY POLARIZED SIGNALS BY LINEARLY POLARIZED ANTENNAS

#3
20250253539
2025-08-07

ANTENNA SYSTEMS FOR OBTAINING POSITION INFORMATION USING POLARIZATION LOSS OPTIMIZATION

#4
20250210879
2025-06-26

MULTI-FUNCTION MICRO-ACTUATED METASURFACE

#5
20250087884
2025-03-13

ANTENNA SWITCHING METHOD AND TERMINAL ANTENNA

#6
20250007177
2025-01-02

GRAPHENE METASURFACE BASED TUNABLE LINEAR TO CIRCULAR POLARIZATION CONVERTER

#7
20240413532
2024-12-12

NESTED CONCENTRIC COAXIAL FEED ASSEMBLY FOR GROUND ANTENNAS SUPPORTING MULTIPLE FREQUENCY BANDS

#8
20240332768
2024-10-03

Radio-frequency component comprising several waveguide devices with ridges

#9
20240291165
2024-08-29

ANTENNA POLARISATION

#10
20240107571
2024-03-28

REPEATERS WITH CIRCULAR POLARIZATION

#11
20240027505
2024-01-25

Reflectometry sensing

#12
20230411864
2023-12-21

DESIGNING AN OPTIMAL DUAL-BAND METAMATERIAL POLARIZATION CONVERTER FOR REFRACTIVE INDEX SENSING

#13
20230336201
2023-10-19

TRANSMITTING OR RECEIVING CIRCULARLY POLARIZED SIGNALS BY LINEARLY POLARIZED ANTENNAS

#14
20230335914
2023-10-19

TRANSMITTING OR RECEIVING CIRCULARLY POLARIZED SIGNALS BY LINEARLY POLARIZED ANTENNAS

#15
20230335913
2023-10-19

TRANSMITTING OR RECEIVING CIRCULARLY POLARIZED SIGNALS BY LINEARLY POLARIZED ANTENNAS

#16
20230198160
2023-06-22

Stretched foamless multi-layer substrate polarizer and methods for fabricating same

#17
20230044376
2023-02-09

Power feed circuit comprising a synthesizing-distributing unit and a phase shifting unit configured for feeding a two point or a four point circularly polarized antenna

#18
20220416445
2022-12-29

Antenna array with selectable horizontal, vertical or circular polarization

#19
20220239014
2022-07-28

Phased array antenna and system and method of antenna operation

#20
20220239009
2022-07-28

Antenna system for satellite applications

#21
20220029257
2022-01-27

Radio-frequency component comprising several waveguide devices with ridges

#22
20210392755
2021-12-16

ADDITIVE MANUFACTURING TECHNIQUES FOR MEANDER-LINE POLARIZERS

#23
20210320424
2021-10-14

Waveguide polarizer and a circularly polarized antenna

#24
20210210867
2021-07-08

Capacitively coupled patch antenna

#25
20210151901
2021-05-20

Wide-scan-capable polarization-diverse polarizer with enhanced switchable dual-polarization properties

#26
20200412439
2020-12-31

Diversity polarization modulation

#27
20200350700
2020-11-05

Low-profile rectangular to circular transition

#28
20200335842
2020-10-22

Broadband polarizing screen with one or more radiofrequency polarizing cells

#29
20200313303
2020-10-01

Linear-to-CP polarizer with enhanced performance in VICTS antennas

#30
20200295470
2020-09-17

Capacitively coupled patch antenna

#31
20200243982
2020-07-30

Quick-change circularly polarized antenna fitment

#32
20200214140
2020-07-02

Additive manufacturing techniques for meander-line polarizers

#33
20200194899
2020-06-18

Adjustable polarization converter and electronic device

#34
20200162947
2020-05-21

Antenna structure, antenna device and wireless localization method

#35
20200153120
2020-05-14

Triaxial antenna reception and transmission

#36
20200153106
2020-05-14

POLARIZATION CONVERSION INTEGRATED HORN ANTENNA AND METHOD OF MANUFACTURING THE SAME

#37
20200119422
2020-04-16

Phase-controlled antenna element

#38
20200067204
2020-02-27

Transmitter

#39
20200059005
2020-02-20

Antenna structure and modulation method therefor

#40
20200052409
2020-02-13

Antenna and method of manufacture thereof

#41
20200052391
2020-02-13

ENERGY CONSERVATION BY ANTENNA POLARIZATION

#42
20200044691
2020-02-06

Antenna structure with circularly polarized antenna beam

#43
20190386398
2019-12-19

Nonplanar metamaterial polarizer and antenna system

#44
20190379120
2019-12-12

Steerable beam antenna with controllably variable polarization

#45
20190377080
2019-12-12

Vital sign sensor capable of resisting clutter

#46
20190305436
2019-10-03

Circularly polarised radiating element making use of a resonance in a Fabry-Perot cavity

#47
20190173193
2019-06-06

Linear-to-circular polarizer antenna

#48
20190173192
2019-06-06

Linear-to-circular polarizer antenna

#49
20190173144
2019-06-06

Linear-to-circular polarizers using cascaded sheet impedances and cascaded waveplates

#50
20190173143
2019-06-06

Linear-to-circular polarizers using cascaded sheet impedances and cascaded waveplates

#51
20190158145
2019-05-23

Antenna structure with circularly polarized antenna beam

#52
20190157730
2019-05-23

Phase-controlled antenna array

#53
20190074865
2019-03-07

Antenna structure with circularly polarized antenna beam

#54
20180294573
2018-10-11

Integrated single-piece antenna feed and components

#55
20180269594
2018-09-20

Circularly polarized omni-directional antenna

#56
20180241135
2018-08-23

27-28.5 GHz Ka BAND PHASED ARRAY FAN BEAM ANTENNAS AND METHODS

#57
20180233829
2018-08-16

Compact dual circular polarization multi-band waveguide feed network

#58
20180131100
2018-05-10

LEFT-HANDED CIRCULAR-POLARIZATION CONVERSION METAMATERIAL FILM

#59
20180109003
2018-04-19

Method of generating circularly polarised signals from a polarisation controller of a ground station

#60
20180108996
2018-04-19

Integrated single-piece antenna feed and circular polarizer

#61
20170170571
2017-06-15

Circularly polarized wave generator

#62
20170033810
2017-02-02

Real time polarization compensation for dual-polarized millimeter wave communication

#63
20160372820
2016-12-22

Polarisation device for a satellite telecommunications antenna and associated antenna

#64
20160359236
2016-12-08

Systems and methods for transmission and reception of radio waves in a focal plane antenna array

#65
20160226551
2016-08-04

Reflective-type antenna band and polarization selectable transceiver using a rotatable quarter-wave plate

#66
20160218436
2016-07-28

Low-cost diplexed multiple beam integrated antenna system for LEO satellite constellation

#67
20160172766
2016-06-16

Inscribed polarizer array for polarization diverse application

#68
20160156108
2016-06-02

MEANDER LINE CIRCULAR POLARISER

#69
20160054711
2016-02-25

Electronic timepiece with internal antenna

#70
20160025839
2016-01-28

Polarimetric radar for object classification and suitable method and suitable use therefor

#71
20160020522
2016-01-21

Waveguide slot antenna

#72
20160006465
2016-01-07

Antenna for receiving and/or transmitting polarized communication signals

#73
20150333410
2015-11-19

Phase conversion device for electromagnetic wave

#74
20150145739
2015-05-28

Horn, elementary antenna, antenna structure and telecommunication method associated therewith

#75
20150022409
2015-01-22

Dual-band dichroic polarizer and system including same

#76
20150015440
2015-01-15

Frequency selective polarizer

#77
20140266977
2014-09-18

POLARIZATION CONVERTING DIELECTRIC PLATE

#78
20140266942
2014-09-18

Antenna horn with unibody construction

#79
20130335282
2013-12-19

OMNIDIRECTIONAL CIRCULARLY POLARIZED DIELECTRIC ANTENNA

#80
20130307721
2013-11-21

Polarizer rotating device for multi polarized satellite signal and satellite signal receiving apparatus having the same

#81
20130249755
2013-09-26

ELECTROMAGNETIC WAVE POLARIZER SCREEN

#82
20130207859
2013-08-15

Compact radiating element having resonant cavities

#83
20130194145
2013-08-01

Waveguide slot antenna

#84
20130176172
2013-07-11

Mobile directional antenna with polarization switching

#85
20120200467
2012-08-09

Wideband composite polarizer and antenna system

#86
20120169557
2012-07-05

Multi-band feed assembly for linear and circular polarization

#87
20110128201
2011-06-02

CIRCULARLY POLARIZED ANTENNA IN WIRELESS COMMUNICATION SYSTEM AND METHOD FOR MANUFACTURING THE SAME

#88
20110109519
2011-05-12

Switchable microwave fluidic polarizer

#89
20110026443
2011-02-03

Radio communicating device, rotational structure, and electronic device

#90
20100109960
2010-05-06

Antenna polarization control

#91
20090033579
2009-02-05

Circularly polarized horn antenna

#92
20080117005
2008-05-22

Comb polarizer suitable for millimeter band applications

#93
20080002652
2008-01-03

System and apparatus for high data rate wireless communications

#94
20060082511
2006-04-20

Electronically controlled dual polarizer

#95
20050207019
2005-09-22

System for selectively blocking electromagnetic energy

#96
20050168388
2005-08-04

Apparatus for redirecting radiation

#97
20050104791
2005-05-19

Two-layer wide-band meander-line polarizer

#98
20050062661
2005-03-24

Dual circular polarization flat plate antenna that uses multilayer structure with meander line polarizer

#99
17872915
2023-08-08

Reflectometer sensor

#100
17518782
2025-12-30

Longitudinally ridged quad polarizer feed

#101
16697755
2020-07-14

Imaging reflector antenna system and method

#102
16504984
2020-03-10

Imaging reflector antenna system and method

#103
14715500
2019-06-11

High efficiency short backfire antenna using anisotropic impedance walls