H04K3/46 - CPC Classification Index

ClassID:

224678 ⎘

H04K3/46 - CPC Classification

Classification description:

Jamming of communication; Counter-measures; Jamming having variable characteristics characterized in that the jamming signal is produced by retransmitting a received signal, after delay or processing

Recent Application in this class:

20240369680

2024-11-07

HYBRID RADAR JAMMING AND COMMUNICATION APPARATUS

20220393786

2022-12-08

System and method for signal re-transmission

20220353008

2022-11-03

Apparatus and method for generating jamming signal, communication system

20200366401

2020-11-19

METHOD AND APPARATUS FOR JAMMING SIGNAL CONTROL BASED ON THE RF ENVIRONMENT

20200304228

2020-09-24

Wideband photonic radio frequency (RF) noise generator

20200204274

2020-06-25

Test system and method of testing follower jammer robustness of a radio

20200051541

2020-02-13

Masking open space noise using sound and corresponding visual

20180268836

2018-09-20

Speech privacy system and/or associated method

20180268835

2018-09-20

Speech privacy system and/or associated method

#10

20180268834

2018-09-20

Speech privacy system and/or associated method

#11

20180144735

2018-05-24

Masking open space noise using sound and corresponding visual

#12

20170139034

2017-05-18

Method and system of reactive interferer detection

#13

20160379621

2016-12-29

Using external sounds to alert vehicle occupants of external events and mask in-car conversations

#14

20160351181

2016-12-01

Masking open space noise using sound and corresponding visual

#15

20150381307

2015-12-31

Provision of a secured replica pseudo random noise signal

#16

20150311998

2015-10-29

Inhibiting unauthorised contactless reading of a contactless readable object

#17

20150181332

2015-06-25

Masking open space noise using sound and corresponding visual

#18

20150137998

2015-05-21

Using external sounds to alert vehicle occupants of external events and mask in-car conversations

#19

20140257802

2014-09-11

Signal processing device, signal processing method, and storage medium

#20

20130078906

2013-03-28

Method of securing a wireless communication, receiver device and communication system implementing this method

#21

20120299762

2012-11-29

Radio frequency particles

#22

20120276838

2012-11-01

Radio frequency signal detection and replication apparatus and method

#23

20120120851

2012-05-17

Protocols for out-of-band communication

#24

20120053931

2012-03-01

Speech masking and cancelling and voice obscuration

#25

20110280235

2011-11-17

Wireless perimeter security device and network using same

#26

20110223852

2011-09-15

WIRELESS PERIMETER SECURITY DEVICE AND NETWORK USING SAME

#27

20110223851

2011-09-15

Multi-band jammer including airborne systems

#28

20110182438

2011-07-28

Masker sound generation apparatus and program

#29

20110110523

2011-05-12

Wireless perimeter security device and network using same

#30

20110086590

2011-04-14

Method and associated device for preventing UMTS call setup in nearby mobile phones

#31

20100283658

2010-11-11

Anti jamming system

#32

20100265116

2010-10-21

Anti jamming system

#33

20100208912

2010-08-19

Masking sound generating apparatus, masking system, masking sound generating method, and program

#34

20090237289

2009-09-24

Multi-band jammer

#35

20090214205

2009-08-27

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

#36

20090116846

2009-05-07

Protocols for out-of-band communication

#37

20090074199

2009-03-19

SYSTEM FOR PROVIDING A REDUCTION OF AUDIABLE NOISE PERCEPTION FOR A HUMAN USER

#38

20090061759

2009-03-05

Regenerative jammer with multiple jamming algorithms

#39

20080052767

2008-02-28

Wireless perimeter security device and network using same

#40

20080046992

2008-02-21

Wireless perimeter security device and network using same

#41

20080046972

2008-02-21

Wireless Perimeter Security Device and Network Using Same

#42

20080046566

2008-02-21

Wireless perimeter security device and network using same

#43

20080043695

2008-02-21

Wireless perimeter security device and network using same

#44

20070220357

2007-09-20

Flow control methodology for digital retiming devices

#45

20070088981

2007-04-19

Wireless Diagnostic Systems Management

#46

20070087771

2007-04-19

Test Access Point Having Wireless Communication Capabilities

#47

20070087741

2007-04-19

Diagnostic Device Having Wireless Communication Capabilities

#48

20070086351

2007-04-19

Resource Allocation Manager for Wireless Diagnostic Systems

#49

20060264178

2006-11-23

Wireless diagnostic systems

#50

20060109983

2006-05-25

Signal masking and method thereof

#51

20050089171

2005-04-28

Wireless perimeter security device and network using same

#52

20050074077

2005-04-07

Communication breaking device and method thereof

#53

15850626

2020-02-25

Apparatus and method for generating jamming signal

#54

6225699

2014-09-09

Airborne radar jamming system