H04K2203/34 - CPC Classification Index

#1

20250159394

2025-05-15

DIGITAL IMAGING SYSTEM AND METHOD

#2

20240380511

2024-11-14

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

#3

20230053475

2023-02-23

Systems and methods for covert communications

#4

20230052574

2023-02-16

APPARATUS AND METHOD OR FILTERING ADVERTISEMENTS IN WIRELESS NETWORKS

#5

20220077952

2022-03-10

Systems and methods for covert communications

#6

20210409146

2021-12-30

System and method for monitoring wireless communication channel by using cooperative jamming and spoofing

#7

20210344378

2021-11-04

SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS HAVING LOCAL SECURITY

#8

20210235177

2021-07-29

Wireless sound-emitting device and system for remotely controlling a sound-emitting device

#9

20210203433

2021-07-01

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

#10

20210050032

2021-02-18

Method for preventing intelligible voice recordings

#11

20200182986

2020-06-11

SYSTEMS AND METHODS FOR INTERACTION WITH THERMAL DETECTORS

#12

20200177991

2020-06-04

Sound masking system

#13

20200136745

2020-04-30

Jamming device and jamming method

#14

20200112342

2020-04-09

SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS HAVING LOCAL SECURITY

#15

20200053447

2020-02-13

Wireless sound-emitting device and system for remotely controlling a sound-emitting device

#16

20190245645

2019-08-08

Multiple jamming signal transmit antennas with spatial diversity

#17

20190238185

2019-08-01

SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS HAVING LOCAL SECURITY

#18

20190147902

2019-05-16

Device and method for preventing intelligible voice recordings

#19

20190146072

2019-05-16

Systems and methods for interaction with thermal detectors

#20

20190073991

2019-03-07

NETWORKED SOUND MASKING SYSTEM

#21

20180331764

2018-11-15

Down conversion system and method

#22

20180123259

2018-05-03

Flight interference apparatus

#23

20180122353

2018-05-03

Sound masking in open-plan spaces using natural sounds

#24

20180041831

2018-02-08

Sound masking system

#25

20170163372

2017-06-08

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

#26

20160373923

2016-12-22

Method and system for producing a jammer signal

#27

20160189701

2016-06-30

Networked sound masking system

#28

20160105254

2016-04-14

Methods and apparatuses for allocating electromagnetic-spectrum jamming assets

#29

20160094309

2016-03-31

System and method for jamming cellular signals using aerial vehicles

#30

20150350780

2015-12-03

Sound masking system

#31

20150311998

2015-10-29

Inhibiting unauthorised contactless reading of a contactless readable object

#32

20150229434

2015-08-13

Electronic countermeasures transponder system

#33

20150194144

2015-07-09

Directional sound masking

#34

20150188662

2015-07-02

PHY-level wireless security

#35

20150057999

2015-02-26

Preserving privacy of a conversation from surrounding environment using a counter signal

#36

20150050895

2015-02-19

Method for the self-testing of a reactive radio interferer

#37

20140309991

2014-10-16

Methods and apparatus for masking speech in a private environment

#38

20140206279

2014-07-24

Method and system for intelligent jamming signal generation

#39

20140170963

2014-06-19

Method for jamming communications in an open-loop-controlled network

#40

20140114623

2014-04-24

System and method for controlling and monitoring a sound masking system from an electronic floorplan

#41

20130178148

2013-07-11

Method for jamming communications in a closed-loop control network

#42

20130016847

2013-01-17

METHOD AND APPARATUS FOR ACTIVE SOUND MASKING

#43

20130015260

2013-01-17

Apparatus for producing EMP

#44

20120322372

2012-12-20

Secure inductively-coupled communications systems

#45

20120309288

2012-12-06

System and method for allocating jamming energy based on three-dimensional geolocation of emitters

#46

20120267472

2012-10-25

AIR VEHICLE

#47

20120214404

2012-08-23

Multi-mode phy-level wireless security

#48

20120214403

2012-08-23

Time-varying PHY-level wireless security

#49

20120214402

2012-08-23

Phy-level wireless security

#50

20120212363

2012-08-23

Method and device for neutralizing a target

#51

20120176269

2012-07-12

Systems and Methods for Protection from Explosive Devices

#52

20120169522

2012-07-05

Distributed and coordinated electronic warfare system

#53

20120045984

2012-02-23

Method of jamming

#54

20110280235

2011-11-17

Wireless perimeter security device and network using same

#55

20110275308

2011-11-10

GPS aided open loop coherent focusing

#56

20110235742

2011-09-29

High power pulse generator

#57

20110223852

2011-09-15

WIRELESS PERIMETER SECURITY DEVICE AND NETWORK USING SAME

#58

20110223851

2011-09-15

Multi-band jammer including airborne systems

#59

20110217919

2011-09-08

Wireless telecommunications signal inhibition

#60

20110183602

2011-07-28

JAMMING APPARATUS AND METHOD FOR JAMMING A TARGET SIGNAL

#61

20110113949

2011-05-19

Modulation device for a mobile tracking device

#62

20110110523

2011-05-12

Wireless perimeter security device and network using same

#63

20110097991

2011-04-28

Ionizing communication disruptor unit

#64

20110021135

2011-01-27

RF redirection module and system incorporating the RF redirection module

#65

20100304661

2010-12-02

Sweeping mode of jamming system

#66

20100277371

2010-11-04

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

#67

20100272285

2010-10-28

Masking of pure tones within sound from a noise generating source

#68

20100128761

2010-05-27

Look through mode of jamming system

#69

20090306798

2009-12-10

System and method for monitoring/controlling a sound masking system from an electronic floorplan

#70

20090251354

2009-10-08

Method and system for extending operational electronic range of a vehicle

#71

20090237289

2009-09-24

Multi-band jammer

#72

20090214205

2009-08-27

COMMUNICATIONS AND DATA LINK JAMMER INCORPORATING FIBER-OPTIC DELAY LINE TECHNOLOGY

#73

20090170423

2009-07-02

Wireless telecommunications signal inhibition

#74

20090170422

2009-07-02

Method of controlling wireless communications

#75

20090156116

2009-06-18

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

#76

20090116659

2009-05-07

Networked sound masking system with centralized sound masking generation

#77

20090081943

2009-03-26

SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS HAVING LOCAL SECURITY

#78

20090061759

2009-03-05

Regenerative jammer with multiple jamming algorithms

#79

20090009379

2009-01-08

Method for creating interference, and jamming arrangement

#80

20080254737

2008-10-16

Ionizing communication disruptor unit

#81

20080136701

2008-06-12

Coordination of electronic counter measures

#82

20080134869

2008-06-12

Forced premature detonation of improvised explosive devices via radiated electromagnetic energy

#83

20080129600

2008-06-05

Methods and systems for locating actuators for improvised explosive devices

#84

20080119130

2008-05-22

Systems and methods for proactively enforcing a wireless free zone

#85

20080083320

2008-04-10

System, Method, and Apparatus for Countering Improvised Explosive Devices (IED)

#86

20080052767

2008-02-28

Wireless perimeter security device and network using same

#87

20080046992

2008-02-21

Wireless perimeter security device and network using same

#88

20080046972

2008-02-21

Wireless Perimeter Security Device and Network Using Same

#89

20080046566

2008-02-21

Wireless perimeter security device and network using same

#90

20080043695

2008-02-21

Wireless perimeter security device and network using same

#91

20080002836

2008-01-03

System and method for a sound masking system for networked workstations or offices

#92

20070194931

2007-08-23

RFID—sensor system for lateral discrimination

#93

20070153714

2007-07-05

Device, system and method of securing wireless communication

#94

20070133816

2007-06-14

Sound masking system

#95

20070116093

2007-05-24

Method and apparatus to perform surgical reactive jamming while maintaining simultaneous tactical communications

#96

20070016944

2007-01-18

Method and apparatus for creating scramble signals in RFID

#97

20070004331

2007-01-04

Tactical GPS denial and denial detection system

#98

20070004330

2007-01-04

Selective GPS denial system

#99

20060267827

2006-11-30

Optimized utilization of electronic counter measures

#100

20060240790

2006-10-26

Wireless transmitter

#101

20060164283

2006-07-27

Method, system and apparatus for maximizing a jammer's time-on-target and power-on-target

#102

20060164282

2006-07-27

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

#103

20060105701

2006-05-18

Jamming system

#104

20060038677

2006-02-23

System and method for monitoring and enforcing a restricted wireless zone

#105

20050212673

2005-09-29

System and method for selectively reading RFID devices

#106

20050089171

2005-04-28

Wireless perimeter security device and network using same

#107

16826353

2022-10-18

Radio frequency deception network