ClassID:

213993

H01P1/2131 - CPC Classification

Classification description:

Auxiliary devices; Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations

Recent Application in this class:
#1
20250357652
2025-11-20

MODULAR MICROWAVE TRANSMISSION SYSTEM WITH AUTOMATIC CONFIGURATION

#2
20250231275
2025-07-17

RADAR SENSOR AND WAVEGUIDE SEPARATION

#3
20240421497
2024-12-19

PLANAR MONOLITHIC COMBINER AND MULTIPLEXER FOR ANTENNA ARRAYS

#4
20240297429
2024-09-05

Modular diplexer subsystem comprising an RF module and a diplexer module coupled to each other, where the diplexer module is reversible

#5
20240275007
2024-08-15

Wideband Septum Polarizer for Reducing Higher Order Mode

#6
20220368026
2022-11-17

Planar monolithic combiner and multiplexer for antenna arrays

#7
20220368000
2022-11-17

Planar monolithic combiner and multiplexer for antenna arrays

#8
20220352650
2022-11-03

Dual-band multimode antenna feed

#9
20220336939
2022-10-20

Modular diplexer subsystem comprising an RF module and a diplexer module coupled to each other, where each module is removable and replaceable

#10
20220200122
2022-06-23

Three waveguide diplexer operating over two frequency ranges and including a three conductor transmission device coupled between the three waveguides of the diplexer

#11
20220131246
2022-04-28

Waveguide device method for separating and/or combining orthogonally polarized signals of radiofrequency waves

#12
20210257740
2021-08-19

Radiofrequency exciter of a receiving and transmitting antenna

#13
20210242587
2021-08-05

Apparatus comprising an inner waveguide and a coaxial waveguide configured to be fed with first and second frequency signals through a tunable coaxial turnstile junction

#14
20200403319
2020-12-24

Multi-band orthomode transducer device

#15
20200395645
2020-12-17

Waveguide device and method for separating and/or combining orthogonally polarized signals of radiofrequency waves

#16
20190288405
2019-09-19

Antenna device

#17
20190097293
2019-03-28

Electromagnetic wave launcher including an electromagnetic waveguide, wherein a millimeter wave signal and a lower frequency signal are respectively launched at different portions of the waveguide

#18
20180309180
2018-10-25

Ortho-mode transducer and diplexer

#19
20170346189
2017-11-30

Compact multifrequency dual-polarization radiofrequency exciter for a primary antenna source and a primary antenna source equipped with such a radiofrequency exciter

#20
20170170570
2017-06-15

Compact bipolarization excitation assembly for a radiating antenna element and compact array comprising at least four compact excitation assemblies

#21
20160218436
2016-07-28

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

#22
20160134004
2016-05-12

Dual band antenna configuration

#23
20140197908
2014-07-17

Polarization coupler

#24
20130342282
2013-12-26

Orthomode junction assembly with associated filters for use in an antenna feed system

#25
20130314289
2013-11-28

Phase shift device and method

#26
20130120086
2013-05-16

Compact OMT device

#27
20120105171
2012-05-03

Cross polarization multiplexer formed in a monoblock body

#28
20110260807
2011-10-27

COMPACT ORTHO-MODE TRANSDUCER

#29
20100149058
2010-06-17

Compact excitation assembly for generating a circular polarization in an antenna and method of fashioning such a compact excitation assembly

#30
20100007432
2010-01-14

Orthomode junction assembly with associated filters for use in an antenna feed system

#31
20070296518
2007-12-27

Cross-polar and co-polar transceiver

#32
20060232360
2006-10-19

Waveguide frequency-band/polarization splitter

#33
20050104794
2005-05-19

Multi-band antenna system supporting multiple communication services

#34
20050104686
2005-05-19

High frequency module and antenna device

#35
20050057429
2005-03-17

Multiband/multichannel wireless feeder approach

#36
20050040914
2005-02-24

Frequency-separator waveguide module with double circular polarization

#37
17505448
2023-08-15

Dual-band waveguide feed network

#38
15180444
2018-04-17

Orthomode transducer