ClassID:

213948

H01P1/171 - CPC Classification

Classification description:

Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation using a corrugated or ridged waveguide section

Recent Application in this class:
#1
20250210882
2025-06-26

Active Phased Array with Integrated Antennas and Circuits on Common Printed Circuit Cards

#2
20240213642
2024-06-27

APPARATUS AND SYSTEM FOR SPLITTING AND COMBINING SIGNALS IN THE FREQUENCY DOMAIN

#3
20220190477
2022-06-16

Antenna feed for a direct radiating array antenna, radiating panel and antenna comprising several antenna feeds

#4
20210234281
2021-07-29

Dual-band polariser

#5
20200381794
2020-12-03

Polarization separation circuit

#6
20200176841
2020-06-04

Cross slot polarizer

#7
20200091577
2020-03-19

Directional coupler and a method of manufacturing thereof

#8
20190173193
2019-06-06

Linear-to-circular polarizer antenna

#9
20190173192
2019-06-06

Linear-to-circular polarizer antenna

#10
20190173144
2019-06-06

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

#11
20190173143
2019-06-06

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

#12
20190097309
2019-03-28

Ka-band high-gain earth cover antenna

#13
20180309180
2018-10-25

Ortho-mode transducer and diplexer

#14
20180233829
2018-08-16

Compact dual circular polarization multi-band waveguide feed network

#15
20180191048
2018-07-05

Radio frequency waveguide devices including a dielectric having other exterior surfaces with a feature thereon and coated by a metal layer

#16
20170324164
2017-11-09

Multi-band transmit/receive feed utilizing PCBS in an air dielectric diplexing assembly

#17
20170170571
2017-06-15

Circularly polarized wave generator

#18
20170047661
2017-02-16

Waveguide device with septum features

#19
20160344083
2016-11-24

Dual-channel polarization correction

#20
20150091770
2015-04-02

Antenna feed with polarization rotation

#21
20150024698
2015-01-22

Multiband data signal receiving and/or transmitting apparatus

#22
20140078012
2014-03-20

Waveguide polarizers

#23
20130222081
2013-08-29

Antenna feed with polarization rotation

#24
20120319799
2012-12-20

Orthomode coupler for an antenna system

#25
20110133863
2011-06-09

High power waveguide polarizer with broad bandwidth and low loss, and methods of making and using same

#26
20100188305
2010-07-29

Waveguide polarizers

#27
20090174506
2009-07-09

Waveguide and method for adjusting waveguide structure thereof

#28
20080117005
2008-05-22

Comb polarizer suitable for millimeter band applications

#29
18330210
2025-07-08

Waveguide horn antenna

#30
17518782
2025-12-30

Longitudinally ridged quad polarizer feed