ClassID:

224704

H04K2203/32 - CPC Classification

Classification description:

Jamming of communication; Countermeasures; Jamming or countermeasure characterized by the infrastructure components including a particular configuration of antennas

Recent Application in this class:
#1
20260039411
2026-02-05

INTERFERENCE AND JAMMER CANCELLATION FOR RADIOS

#2
20240380511
2024-11-14

Detachable drone hijacker and/or jammer method, apparatus and system

#3
20240369680
2024-11-07

HYBRID RADAR JAMMING AND COMMUNICATION APPARATUS

#4
20240014920
2024-01-11

Integration of cellular phone detection and reporting into a prison telephone system

#5
20230101372
2023-03-30

INTERFERENCE AND JAMMER CANCELLATION FOR RADIOS

#6
20230053475
2023-02-23

Systems and methods for covert communications

#7
20230052574
2023-02-16

APPARATUS AND METHOD OR FILTERING ADVERTISEMENTS IN WIRELESS NETWORKS

#8
20220344806
2022-10-27

Parallelly and diagonally placed meander-line slot resonators for mutual coupling reduction

#9
20220337335
2022-10-20

System and method for phase manipulation attack protection and detection in AoA and AoD

#10
20220231781
2022-07-21

Integration of cellular phone detection and reporting into a prison telephone system

#11
20220149977
2022-05-12

System and method for phase manipulation attack protection and detection in AoA and AoD

#12
20220077952
2022-03-10

Systems and methods for covert communications

#13
20210359781
2021-11-18

Handheld portable countermeasure device against unmanned systems

#14
20210344378
2021-11-04

SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS HAVING LOCAL SECURITY

#15
20210306088
2021-09-30

Radio frequency communication and jamming device and method for physically secured friendly radio frequency communication and for jamming hostile radio frequency communication

#16
20210281354
2021-09-09

METHOD AND APPARATUS FOR DETECTING AND JAMMING TRANSMITTERS AND RECEIVERS

#17
20210203433
2021-07-01

Automatic repeat-request system for providing absolute safety and authentication in wireless networks

#18
20210048535
2021-02-18

Phased-array anti-jamming device and method

#19
20200343992
2020-10-29

Handheld portable countermeasure device against unmanned systems

#20
20200301021
2020-09-24

Method and apparatus for automatic detection of antenna site conditions

#21
20200274634
2020-08-27

Circular patch array for anti-jam GPS

#22
20200235843
2020-07-23

System and method for nulling or suppressing interfering signals in dynamic conditions

#23
20200112342
2020-04-09

SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS HAVING LOCAL SECURITY

#24
20200106545
2020-04-02

Radio frequency communication and jamming device and method for physically secured friendly radio frequency communication and for jamming hostile radio frequency communication

#25
20200092031
2020-03-19

Integration of cellular phone detection and reporting into a prison telephone system

#26
20200092030
2020-03-19

Method and apparatus for physical layer security communication in wireless communication system

#27
20190238185
2019-08-01

SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS HAVING LOCAL SECURITY

#28
20190179033
2019-06-13

Deceiving signal detection system and deceiving signal detection method

#29
20190173605
2019-06-06

Dual-grip portable countermeasure device against unmanned systems

#30
20190158212
2019-05-23

Portable countermeasure device against unmanned systems

#31
20180367237
2018-12-20

Dual-grip portable countermeasure device against unmanned systems

#32
20180367207
2018-12-20

Method and apparatus for smart adaptive dynamic range multiuser detection radio receiver

#33
20180254848
2018-09-06

Portable countermeasure device against unmanned systems

#34
20180224557
2018-08-09

Spoofing detection and anti-jam mitigation for GPS antennas

#35
20180167369
2018-06-14

Establishing a secure uplink channel by transmitting a secret word over a secure downlink channel

#36
20180159653
2018-06-07

Integration of cellular phone detection and reporting into a prison telephone system

#37
20180123259
2018-05-03

Flight interference apparatus

#38
20180083728
2018-03-22

Sensing device and method and system for information transfer thereof

#39
20180006759
2018-01-04

Systems and methods for radio frequency hopping communications jamming utilizing software defined radio platforms

#40
20170250778
2017-08-31

Dual-grip portable countermeasure device against unmanned systems

#41
20170237520
2017-08-17

Portable countermeasure device against unmanned systems

#42
20170227650
2017-08-10

Mitigation of spoofer satellite signals

#43
20170026146
2017-01-26

Physical layer encryption using out-phased array linearized signaling

#44
20160380718
2016-12-29

Integration of cellular phone detection and reporting into a prison telephone system

#45
20160380654
2016-12-29

Methods and apparatus for data communication using bandwidth modulation

#46
20160329985
2016-11-10

Systems and methods for radio frequency hopping communications jamming utilizing software defined radio platforms

#47
20160226620
2016-08-04

System and method for communication

#48
20160198348
2016-07-07

Endpoint device antenna beam forming based jamming detection and mitigation

#49
20160172751
2016-06-16

System and method for reducing the probability of detection of a communication and sensor mast

#50
20160162696
2016-06-09

Camouflaged communication device

#51
20160146944
2016-05-26

Detecting and removing spoofing signals

#52
20150311998
2015-10-29

Inhibiting unauthorised contactless reading of a contactless readable object

#53
20150311971
2015-10-29

Method and apparatus for smart adaptive dynamic range multiuser detection radio receiver

#54
20150256286
2015-09-10

Waveform-enabled jammer excision (WEJE)

#55
20150244495
2015-08-27

Apparatus and method for transmitting jamming signal

#56
20150229434
2015-08-13

Electronic countermeasures transponder system

#57
20150194144
2015-07-09

Directional sound masking

#58
20150188662
2015-07-02

PHY-level wireless security

#59
20150147957
2015-05-28

Systems and methods for radio frequency hopping communications jamming utilizing software defined radio platforms

#60
20150141026
2015-05-21

Endpoint device antenna beam forming based jamming detection and mitigation

#61
20150139160
2015-05-21

Full duplex radio transceiver with remote radar detection

#62
20150102959
2015-04-16

Jammer suppression for broadcast satellite system services

#63
20150048973
2015-02-19

System and method for detecting false global navigation satellite system satellite signals

#64
20150017942
2015-01-15

System and method for communication

#65
20140321511
2014-10-30

Space based authentication utilizing signals from low and medium earth orbit

#66
20140224885
2014-08-14

Wireless communication improving sheet, wireless communication IC tag, information transmitting medium and wireless communication system

#67
20140120966
2014-05-01

Radio transceiver with improved radar detection

#68
20140104102
2014-04-17

Space based authentication utilizing signals from low and medium earth orbit

#69
20140035783
2014-02-06

Multi-beam antenna array for protecting GPS receivers from jamming and spoofing signals

#70
20130328711
2013-12-12

Anti-jamming subsystem employing an antenna array with a horizontal circular reception pattern

#71
20130260671
2013-10-03

Remote satellite terminal with antenna polarization alignment enforcement and associated methods

#72
20130237141
2013-09-12

Radio frequency barrier in a wireless communication network

#73
20130023201
2013-01-24

Systems and methods for radio frequency hopping communications jamming utilizing software defined radio platforms

#74
20120295646
2012-11-22

Integration of cellular phone detection and reporting into a prison telephone system

#75
20120267472
2012-10-25

AIR VEHICLE

#76
20120214404
2012-08-23

Multi-mode phy-level wireless security

#77
20120214403
2012-08-23

Time-varying PHY-level wireless security

#78
20120214402
2012-08-23

Phy-level wireless security

#79
20120212363
2012-08-23

Method and device for neutralizing a target

#80
20110304494
2011-12-15

Wireless microwave interferer for destructing, disabling, or jamming a trigger of an improvised explosive device

#81
20110280235
2011-11-17

Wireless perimeter security device and network using same

#82
20110223852
2011-09-15

WIRELESS PERIMETER SECURITY DEVICE AND NETWORK USING SAME

#83
20110110523
2011-05-12

Wireless perimeter security device and network using same

#84
20110097991
2011-04-28

Ionizing communication disruptor unit

#85
20110021135
2011-01-27

RF redirection module and system incorporating the RF redirection module

#86
20100304661
2010-12-02

Sweeping mode of jamming system

#87
20100283656
2010-11-11

METHOD AND SYSTEM FOR JAMMING SIMULTANEOUSLY WITH COMMUNICATION USING OMNI-DIRECTIONAL ANTENNA

#88
20100277371
2010-11-04

True time delay systems with array antenna for the spatially changeable radiation pattern for maximum power ultra-wideband pulses

#89
20100245049
2010-09-30

Wireless communication improving sheet, wireless communication IC tag, information transmitting medium and wireless communication system

#90
20100231482
2010-09-16

Wireless communication-improving sheet member, wireless IC tag, antenna, and wireless communication system using the same

#91
20100172426
2010-07-08

Device and method for selecting transmission path in wireless network

#92
20100170383
2010-07-08

Methods and apparatuses for detecting and neutralizing remotely activated explosives

#93
20100128761
2010-05-27

Look through mode of jamming system

#94
20100068988
2010-03-18

System and method for covertly disabling improvised explosive devices

#95
20100022181
2010-01-28

High efficiency and high power patch antenna and method of using

#96
20090215387
2009-08-27

IN-VEHICLE CELLULAR DEVICE BLOCKER TO RESTRICT CELLULAR USE FOR OPERATOR

#97
20090103720
2009-04-23

Method and system for secure and anti jamming wireless communication with high spectral efficiency

#98
20090081943
2009-03-26

SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS HAVING LOCAL SECURITY

#99
20090066481
2009-03-12

METHOD AND APPARATUS FOR IMPROVING THE EFFICIENCY AND ACCURACY OF RFID SYSTEMS

#100
20080268769
2008-10-30

Apparatus and method for interfering with wireless communications devices in response to transmission power detection

#101
20080268768
2008-10-30

Apparatus and method for interfering with wireless communications devices positioned in a volume occupied by a human driver

#102
20080268767
2008-10-30

Apparatus and method for selective interfering with wireless communications devices

#103
20080254737
2008-10-16

Ionizing communication disruptor unit

#104
20080237346
2008-10-02

System for secure communication between a contactless card reader and a card

#105
20080174470
2008-07-24

Transceiver with receive and transmit path performance diversity

#106
20080052767
2008-02-28

Wireless perimeter security device and network using same

#107
20080046992
2008-02-21

Wireless perimeter security device and network using same

#108
20080046972
2008-02-21

Wireless Perimeter Security Device and Network Using Same

#109
20080046566
2008-02-21

Wireless perimeter security device and network using same

#110
20080043993
2008-02-21

Integration of cellular phone detection and reporting into a prison telephone system

#111
20080043695
2008-02-21

Wireless perimeter security device and network using same

#112
20070252687
2007-11-01

METHOD AND APPARATUS FOR IMPROVING THE EFFICIENCY AND ACCURACY OF RFID SYSTEMS

#113
20070252677
2007-11-01

METHOD AND APPARATUS FOR IMPROVING THE EFFICIENCY AND ACCURACY OF RFID SYSTEMS

#114
20070229390
2007-10-04

Passive anti-jamming antenna system

#115
20070200688
2007-08-30

Vehicle security system

#116
20070194931
2007-08-23

RFID—sensor system for lateral discrimination

#117
20070153714
2007-07-05

Device, system and method of securing wireless communication

#118
20070139247
2007-06-21

Multifunctional radio frequency directed energy system

#119
20070115175
2007-05-24

Handheld GPS jammer locator

#120
20070016944
2007-01-18

Method and apparatus for creating scramble signals in RFID

#121
20060238414
2006-10-26

Microwave self-phasing antenna arrays for secure data transmission and satellite network crosslinks

#122
20060234641
2006-10-19

System for using an existing cellular network to detect incidents of GPS jaming

#123
20060186993
2006-08-24

Vehicle remote-operation apparatus

#124
20060105701
2006-05-18

Jamming system

#125
20060046636
2006-03-02

Method for verifying anti-scrambling efficiency of a communication system

#126
20050212673
2005-09-29

System and method for selectively reading RFID devices

#127
20050212660
2005-09-29

Method and apparatus for improving the efficiency and accuracy of RFID systems

#128
20050122263
2005-06-09

Antijam module

#129
20050089171
2005-04-28

Wireless perimeter security device and network using same

#130
20050030226
2005-02-10

Microwave self-phasing antenna arrays for secure data transmission & satellite network crosslinks

#131
17236682
2022-01-25

Identifying, tracking, and disrupting unmanned aerial vehicles

#132
16152341
2021-06-22

Autonomously reconfigurable surface for adaptive antenna nulling

#133
15971609
2019-01-08

Concurrent support for multiple frequency bands for satellite navigation signals

#134
14468560
2017-11-21

Method and apparatus for symbol measurement and combining

#135
13469454
2017-03-07

Beam steerable UWB radar