ClassID:

224676

H04K3/44 - CPC Classification

Classification description:

Jamming of communication; Counter-measures; Jamming having variable characteristics characterized by the control of the jamming waveform or modulation type

Recent Application in this class:
#1
20230361907
2023-11-09

Apparatus and method of CRPA neutralization for illegal unmanned aerial vehicle

#2
20230188243
2023-06-15

Portable electromagnetic countermeasure device

#3
20220353008
2022-11-03

Apparatus and method for generating jamming signal, communication system

#4
20220353006
2022-11-03

Algorithm and techniques for high-resolution interference parameter estimation in low-swap environment

#5
20220029732
2022-01-27

Optronic system for a countermeasure unit and method to optically communicate

#6
20210391940
2021-12-16

Non-communication electronic warfare system design analysis system based on engineering modeling and control method thereof

#7
20210281354
2021-09-09

METHOD AND APPARATUS FOR DETECTING AND JAMMING TRANSMITTERS AND RECEIVERS

#8
20210175995
2021-06-10

Method and apparatus for secure communication in wireless communication system

#9
20200366383
2020-11-19

System and method for improving wireless data links

#10
20190372682
2019-12-05

System and method for improving wireless data links

#11
20190339353
2019-11-07

System and method for creation of a dynamically sharp filter

#12
20190229835
2019-07-25

System and method for jamming a target acquisition

#13
20190181974
2019-06-13

Apparatus and method for physical layer security commuication in wireless communication system

#14
20190140736
2019-05-09

Quad band relay common data link system and method

#15
20190137593
2019-05-09

System and method for digital direction finding

#16
20190033427
2019-01-31

Method for jamming synthetic aperture radars and associated device

#17
20180227073
2018-08-09

Adaptively disrupting unmanned aerial vehicles

#18
20180006759
2018-01-04

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

#19
20170358212
2017-12-14

Anti-drone flight protection systems and methods

#20
20170163372
2017-06-08

Radio wave jamming system, radio wave jamming apparatus, and radio wave jamming method

#21
20160329985
2016-11-10

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

#22
20160294504
2016-10-06

System and method for classifying signal modulations

#23
20160294502
2016-10-06

Event sequencer for a radio frequency system

#24
20150270923
2015-09-24

Transmit-reference methods in software defined radio platforms for communication in harsh propagation environments and systems thereof

#25
20150256286
2015-09-10

Waveform-enabled jammer excision (WEJE)

#26
20150229434
2015-08-13

Electronic countermeasures transponder system

#27
20150147957
2015-05-28

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

#28
20140362774
2014-12-11

Circuits and method to enable efficient generation of direct digital synthesizer based waveforms of arbitrary bandwidth

#29
20140309991
2014-10-16

Methods and apparatus for masking speech in a private environment

#30
20140247901
2014-09-04

UNIVERSAL TRANSCEIVERS AND SUPPLEMENTARY RECEIVERS WITH SPARSE CODING TECHNIQUE OPTION

#31
20130288734
2013-10-31

Cognitive radio methodology, physical layer policies and machine learning

#32
20130088326
2013-04-11

Universal transceivers and supplementary receivers with sparse coding technique option

#33
20130023201
2013-01-24

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

#34
20120327985
2012-12-27

Communications system including jammer using continuous phase modulation (CPM) and associated methods

#35
20120302155
2012-11-29

Multi-mode communication unit

#36
20120178358
2012-07-12

Methods of suppressing GSM wireless device threats in dynamic or wide area static environments using minimal power consumption and collateral interference

#37
20120176269
2012-07-12

Systems and Methods for Protection from Explosive Devices

#38
20110304494
2011-12-15

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

#39
20110279322
2011-11-17

Signal transmission surveillance system

#40
20110223851
2011-09-15

Multi-band jammer including airborne systems

#41
20110100880
2011-05-05

Method and apparatus for producing stationary intense wave fields of arbitrary shape

#42
20110100202
2011-05-05

Signal transmission surveillance system

#43
20110100201
2011-05-05

Signal transmission surveillance system

#44
20110097991
2011-04-28

Ionizing communication disruptor unit

#45
20110021135
2011-01-27

RF redirection module and system incorporating the RF redirection module

#46
20100309951
2010-12-09

Transmit-reference methods in software defined radio platforms for communication in harsh propagation environments and systems thereof

#47
20100304661
2010-12-02

Sweeping mode of jamming system

#48
20100282052
2010-11-11

Radio frequency jammer method

#49
20100166180
2010-07-01

CLOAKING OF RADIO SIGNALS

#50
20100128761
2010-05-27

Look through mode of jamming system

#51
20100093270
2010-04-15

Signal transmission surveillance system

#52
20090282874
2009-11-19

Washing machine and sound control method thereof

#53
20090275281
2009-11-05

Mobile phone detection and interruption system and method

#54
20090237289
2009-09-24

Multi-band jammer

#55
20090209196
2009-08-20

Methods of suppressing GSM wireless device threats in dynamic or wide area static environments using minimal power and collateral interference

#56
20090156116
2009-06-18

Method and apparatus for heavy-tailed waveform generation used for communication disruption

#57
20090061759
2009-03-05

Regenerative jammer with multiple jamming algorithms

#58
20090047897
2009-02-19

Jamming device for mobile communication

#59
20090041241
2009-02-12

Near field communications system having enhanced security

#60
20090009379
2009-01-08

Method for creating interference, and jamming arrangement

#61
20080293353
2008-11-27

Cognitive radio methodology, physical layer policies and machine learning

#62
20080254737
2008-10-16

Ionizing communication disruptor unit

#63
20080237346
2008-10-02

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

#64
20080219179
2008-09-11

Transmission device, transmission method, reception device, and communication system

#65
20080191924
2008-08-14

Method and apparatus for protecting personnel and material from RF-based threats using ultra-wideband (UWB) transmission

#66
20080174469
2008-07-24

METHOD AND SYSTEM FOR DEFENCE AGAINST SURFACE-TO-AIR MISSILES

#67
20080025511
2008-01-31

Data communication system

#68
20070293142
2007-12-20

Secure Contactless Communication Device and Method

#69
20070194931
2007-08-23

RFID—sensor system for lateral discrimination

#70
20070016944
2007-01-18

Method and apparatus for creating scramble signals in RFID

#71
20060240790
2006-10-26

Wireless transmitter

#72
20060164282
2006-07-27

Method and apparatus for protecting personnel from RF-triggered explosive devices (RTED) using ultra-wideband (UWB) transmission

#73
20060109983
2006-05-25

Signal masking and method thereof

#74
20060060074
2006-03-23

Radio frequency jammer

#75
20050020244
2005-01-27

RF firewall for a wireless network

#76
15380893
2017-08-01

Antenna and transceiver for transmitting a secure signal