ClassID:

214451

H01Q19/021 - CPC Classification

Classification description:

Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic; Details Means for reducing undesirable effects

Sub-classes:
Recent Application in this class:
#1
20250202128
2025-06-19

Choke Plate Assembly for Isolating Antennas from Electromagnetic Waves

#2
20240022004
2024-01-18

ANTENNA STRUCTURE

#3
20240006763
2024-01-04

ANTENNA MODULE GROUNDING FOR PHASED ARRAY ANTENNAS

#4
20240006755
2024-01-04

Smart speaker

#5
20230335888
2023-10-19

Suppression of reflected wave interference from antenna-mounting plate in service link of haps

#6
20230163483
2023-05-25

Compact modular active-passive antenna systems with minimized antenna blockage

#7
20230096014
2023-03-30

Hybrid antenna structure

#8
20220344824
2022-10-27

Wireless communication device and wireless communication method

#9
20220344816
2022-10-27

Antenna module grounding for phased array antennas

#10
20220303016
2022-09-22

NANOSCALE CIRCUIT TO USE INCIDENT LASER RADIATION TO GENERATE AND RADIATE TERAHERTZ HARMONICS

#11
20220294127
2022-09-15

Systems and methods for improving wireless mesh networks

#12
20220200156
2022-06-23

Antenna unit and window glass

#13
20220085515
2022-03-17

Method for integrating a “network” antenna into a different electromagnetic medium, and associated antenna

#14
20210226340
2021-07-22

Slow-wave RF transmission network

#15
20210218133
2021-07-15

Antenna apparatus and terminal

#16
20210151874
2021-05-20

Antenna module

#17
20210098864
2021-04-01

Radiating elements having parasitic elements for increased isolation and base station antennas including such radiating elements

#18
20200274249
2020-08-27

Antenna device and antenna system

#19
20200235469
2020-07-23

Antenna module including metal structure for reducing radio waves radiated toward back lobe and electronic device including the same

#20
20200153105
2020-05-14

Mitigation of polarization mismatch between reflector and feed antennas by feed predistortion

#21
20200091614
2020-03-19

ANTENNA DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME

#22
20200052410
2020-02-13

Antenna directivity adjustment apparatus and antenna directivity adjustment method

#23
20190379128
2019-12-12

Antenna enhancing holding structure for an internet-of-things (IoT) device

#24
20190341955
2019-11-07

Ultrasonic proximity sensing for SAR mitigation

#25
20190214738
2019-07-11

Antenna device and antenna system

#26
20190198989
2019-06-27

Antenna array assembly

#27
20190198987
2019-06-27

Method and apparatus for reducing surface waves in printed antennas

#28
20190190138
2019-06-20

Antenna apparatus and vehicle having the same

#29
20190123450
2019-04-25

Radio frequency antenna incorporating transmitter and receiver feeder with reduced occlusion

#30
20180342787
2018-11-29

Aerial inventory antenna

#31
20180219276
2018-08-02

Antennas having symmetrical switching architecture

#32
20180159210
2018-06-07

Antenna radomes forming a cut-off pattern

#33
20180115084
2018-04-26

Antenna apparatus

#34
20180083344
2018-03-22

Antennas having symmetrical switching architecture

#35
20180054003
2018-02-22

Antenna desensitization system and design method thereof

#36
20180048073
2018-02-15

DISTORTIONLESS ANTENNA DESIGN AND METHOD

#37
20170271758
2017-09-21

Antenna array assembly

#38
20160248160
2016-08-25

Pattern shaping of RF emission patterns

#39
20160079681
2016-03-17

Antenna for wireless communication

#40
20160064827
2016-03-03

Integrated circuit with electromagnetic communication

#41
20160006093
2016-01-07

Electromagnetic bandgap structure and electronic device having the same

#42
20150378006
2015-12-31

Radar device

#43
20140210681
2014-07-31

Pattern shaping of RF emission patterns

#44
20140159980
2014-06-12

Radio frequency emission guard for portable wireless electronic device

#45
20140071008
2014-03-13

Antenna with proximity sensor function

#46
20130207866
2013-08-15

Pattern shaping of RF emission patterns

#47
20130076586
2013-03-28

Arrangement for reducing interference in an electronic shelf label

#48
20130069813
2013-03-21

Antenna beam control elements, systems, architectures, and methods for radar, communications, and other applications

#49
20120287007
2012-11-15

Method and Apparatus for Reflector Antenna with Vertex Region Scatter Compensation

#50
20120263244
2012-10-18

Integrated circuit with electromagnetic communication

#51
20120229357
2012-09-13

Antenna device with choke sleeve structures

#52
20120098723
2012-04-26

Antenna device

#53
20120068904
2012-03-22

Pattern shaping of RF emission patterns

#54
20120026043
2012-02-02

Three-dimensional array antenna on a substrate with enhanced backlobe suppression for mm-wave automotive applications

#55
20120019425
2012-01-26

Antenna For Increasing Beamwidth Of An Antenna Radiation Pattern

#56
20110241966
2011-10-06

ANTENNA HOUSING FOR SUPRESSING BACKWARD RADIATION

#57
20110205128
2011-08-25

Antenna apparatus and method for reducing background noise and increasing reception sensitivity

#58
20110074653
2011-03-31

Pattern shaping of RF emission patterns

#59
20110012808
2011-01-20

Broadband convex ground planes for multipath rejection

#60
20100245187
2010-09-30

Parabolic antenna

#61
20100214190
2010-08-26

Antenna having a choke member

#62
20080204331
2008-08-28

Pattern shaping of RF emission patterns

#63
20080191028
2008-08-14

Noncontact data receiver/transmiter

#64
20070262905
2007-11-15

Antenna and receiver

#65
20070069940
2007-03-29

Method and arrangement for reducing the radar cross section of integrated antennas

#66
20060290585
2006-12-28

Antenna with reduced interference

#67
20060290564
2006-12-28

On-vehicle radar

#68
20060238427
2006-10-26

Phased array antenna choke plate method and apparatus

#69
20060176235
2006-08-10

Mobile radio antenna radome with integral reflector

#70
20060033654
2006-02-16

Method and apparatus for detection of an electromagnetic signal reflected from and object

#71
20050174288
2005-08-11

Vertically-oriented satellite antenna