H01Q21/0056 - CPC Classification Index

ClassID:

214502 ⎘

H01Q21/0056 - CPC Classification

Classification description:

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

Recent Application in this class:

20240178553

2024-05-30

ANTENNA FOR A SATELLITE RECEIVER

20240072454

2024-02-29

SHARED APERTURE MULTI-BAND METASURFACE ELECTRONICALLY SCANNED ANTENNA (ESA)

20230335911

2023-10-19

ELECTRICAL ADDRESSING FOR A METAMATERIAL RADIO-FREQUENCY (RF) ANTENNA

20230072642

2023-03-09

Antenna

20230031214

2023-02-02

Antenna device, antenna system, and methods to create, and install or modify, an antenna profile for an antenna device so as to direct the propagation of radio frequency signals from the antenna device to targeted geographic coverage areas

20220328962

2022-10-13

IMPEDANCE MATCHING FOR AN APERTURE ANTENNA

20220239000

2022-07-28

Non-circular center-fed antenna and method for using the same

20220200153

2022-06-23

SURFACE WAVE TRANSMISSION DEVICE WITH RF HOUSING AND METHODS FOR USE THEREWITH

20220173517

2022-06-02

Biconical antenna assembly

#10

20210296778

2021-09-23

Electrical addressing for a metamaterial radio-frequency (RF) antenna

#11

20210218153

2021-07-15

Compact cavity-backed discone array

#12

20210167511

2021-06-03

Surface wave transmission device with RF housing and methods for use therewith

#13

20210013622

2021-01-14

Directional coupler feed for flat panel antennas

#14

20200328515

2020-10-15

Non-circular center-fed antenna and method for using the same

#15

20200287283

2020-09-10

Impedance matching for an aperture antenna

#16

20200266548

2020-08-20

Electronics and filter-integrated, dual-polarized transition and radiator for phased array sensors

#17

20200228193

2020-07-16

Device and method for guiding electromagnetic waves

#18

20190386398

2019-12-19

Nonplanar metamaterial polarizer and antenna system

#19

20190296421

2019-09-26

Antenna wiring sleeve, and antenna assembly provided with wiring sleeve

#20

20190280387

2019-09-12

Portable flat-panel satellite antenna

#21

20180374678

2018-12-27

Antenna and plasma processing apparatus

#22

20180123260

2018-05-03

Directional coupler feed for flat panel antennas

#23

20180076521

2018-03-15

Impedance matching for an aperture antenna

#24

20170272145

2017-09-21

Device and method for guiding electromagnetic waves

#25

20170170557

2017-06-15

Mixed left/right chiral liquid crystal for improved switching speed and tunability for RF devices

#26

20170149130

2017-05-25

Antenna apparatus and vehicle having the same

#27

20170141476

2017-05-18

Antenna and vehicle having the antenna

#28

20160050715

2016-02-18

Antenna arrangement

#29

20150177377

2015-06-25

Weather radar system

#30

20140198004

2014-07-17

Filter antenna

#31

20120200449

2012-08-09

Adaptive electronically steerable array (AESA) system for multi-band and multi-aperture operation and method for maintaining data links with one or more stations in different frequency bands

#32