H04K 3 - Jamming of communication; Counter-measures

Patents for H04K 3 - Jamming of communication; Counter-measures (1,951)
11/2011
11/22/2011	US8064879 Mobile certificate distribution in a PKI
11/22/2011	US8063346 Virtual image projector
11/17/2011	US20110280235 Wireless perimeter security device and network using same
11/16/2011	EP2387170A1 GPS aided open loop coherent focusing
11/15/2011	US8060141 Method for permitting change of an electronic card without powering off and communications device employing the method
11/15/2011	US8060024 Apparatus and method for transmitting data in a communication system
11/15/2011	US8060007 Adaptive crosspole technique
11/15/2011	US8060006 Counter-intelligence signal enabled communication device
11/15/2011	US8060005 Method and device for providing active security to a contact-free electronic device
11/15/2011	US8059760 Method and device for the analog processing of a radio signal for a radio frequency receiver
11/10/2011	US20110275308 Gps aided open loop coherent focusing
11/08/2011	US8056015 Method for displaying message of a mobile terminal and mobile terminal using the same
11/08/2011	US8055200 System and method for transmitting signals to an appliance
11/08/2011	US8055185 Jamming device for mobile communication
11/08/2011	US8055184 System and method for active jamming of confidential information transmitted at a point-of-sale reader
11/08/2011	US8054161 Apparatus and method for transmit leakage signal suppression in RFID reader
11/01/2011	US8049656 RF decoy and method for deceiving radar-based missiles
10/2011
10/27/2011	US20110263195 Use of steering signals in interference cancellation with application to communication through signal jamming
10/27/2011	US20110262130 Electronic apparatus having means for suppressing signal reflections from an internal signal source
10/25/2011	US8045948 Receiving apparatus, program and receiving method
10/20/2011	DE102011101712A1 Method for temporal synchronization of cooperating reactive jammers for interfering target signals, involves synchronizing cooperating reactive jammers, where temporal position is used as common anchor point for temporal pattern
10/18/2011	US8041323 Portable electronic unit
10/18/2011	US8041318 Relative frequency error compensation for multi-carrier receivers
10/18/2011	US8041317 Radar detection algorithm
10/18/2011	US8040996 Method and system for RF signal generation utilizing a synchronous multi-modulus divider
10/11/2011	US8036657 Radio communications system
10/11/2011	US8036612 Method, apparatus and system for terrestrial DMB service
10/04/2011	US8032194 Housing of portable electronic devices
10/04/2011	US8032186 Mobile communication terminal and method of connecting call thereof
10/04/2011	US8032093 Power detection arrangement with harmonic suppressor
09/2011
09/28/2011	CN102201912A Blind recognition method for self-synchronization scrambling code generation polynomial
09/27/2011	US8027653 Signal receiving apparatus and control method thereof
09/27/2011	US8027632 Systems, devices, and methods for selectively preventing data transfer from a medical device
09/20/2011	US8023896 Radio communication device, receiver controller of a radio communication device, and method for searching for a radio cell
09/20/2011	US8023893 Method and system for wireless communication among integrated circuits within an enclosure
09/20/2011	US8023884 System and method for radio frequency audio recorder
09/15/2011	US20110223852 Wireless perimeter security device and network using same
09/15/2011	US20110223851 Multi-band jammer including airborne systems
09/13/2011	US8019338 Reconfigurable aircraft communications system with integrated avionics communication router and audio management functions
09/08/2011	US20110217919 Wireless Telecommunications Signal Inhibition
09/08/2011	US20110217918 Device and method for jammer resistance in broadband receivers
09/06/2011	US8014740 Method and system for amplitude calibration for polar modulation with discontinuous phase
09/06/2011	US8014734 Method, apparatus and system for controlling a transmit diversity device
09/06/2011	US8013778 High-resolution synthetic aperture radar device and antenna for one such radar
09/01/2011	WO2011103711A1 Passive signal interfering mould, radio wave monitoring system and monitoring method thereof
08/2011
08/30/2011	US8009826 Cryptoanalysis method and system
08/23/2011	US8005445 RF power amplifying device and wireless communication terminal device
08/23/2011	US8005220 RF communication system having a chaotic signal generator and method for generating chaotic signal
08/23/2011	US8004280 Arrangement for controlling individual antennas of an antenna arrangement
07/2011
07/28/2011	US20110183602 Jamming apparatus and method for jamming a target signal
07/28/2011	US20110183601 Apparatus, system, and method for detecting the presence and controlling the operation of mobile devices within a vehicle
07/26/2011	US7986930 IQ imbalance image suppression in presence of unknown phase shift
07/26/2011	US7986916 Demodulation communication signals in a near field radio frequency (RF) communicator
07/26/2011	US7986259 Motorcycle radar detection system
07/19/2011	US7983646 Techniques to reduce radio frequency noise
07/19/2011	US7983636 Amplifier control device
07/14/2011	WO2011084617A1 Method and apparatuses for tracking stolen vehicles
07/14/2011	WO2011084493A1 Apparatus and method for detecting jamming of communications
07/12/2011	US7979047 Sampling filter
07/12/2011	US7979041 Out-of-channel received signal strength indication (RSSI) for RF front end
07/12/2011	US7979029 Receiver circuit, electronic instrument, and signal processing method
07/12/2011	US7978974 Insertable EMI shield clip for use in optical transceiver modules
07/12/2011	US7976778 Blood glucose tracking apparatus
07/05/2011	US7974593 Apparatus and method for calibration of gain and/or phase imbalance and/or DC offset in a communication system
07/05/2011	US7974573 Repeater open loop gain measurement
07/05/2011	US7973696 Thin film emitter-absorber apparatus and methods
06/2011
06/30/2011	WO2011079022A1 Method and apparatuses for maintaining communications with a vehicle in the presence of jamming
06/30/2011	WO2011076670A1 System and method for forming a wave beam from antennas movable relative to each other
06/30/2011	US20110159798 Control device for shielding a room
06/29/2011	CN201887734U Two-channel broadband excitation source with eight frequency points
06/29/2011	CN201887733U Two-channel USB programmable broadband excitation source
06/28/2011	US7970440 Mobile phone holder for mechanical vehicles
06/28/2011	US7970373 Direct digital conversion tuner and method for using same
06/28/2011	US7970371 Receiving apparatus, program and receiving method
06/28/2011	US7970363 Terminal and method for controlling transmission power
06/28/2011	US7970362 RF transmitter with compensation of differential path delay
06/28/2011	US7970165 System and method for watermarking data
06/23/2011	US20110151768 Apparatus And Method For Detecting Jamming Of Communications
06/23/2011	US20110150053 Method of detecting a radar signal, radar detection module, and wireless transceiver including the same
06/23/2011	US20110148712 Apparatus And Method For Determining Vehicle Location
06/22/2011	CN102104437A Radio system for preventing cheating on exams
06/21/2011	US7966050 Portable communication terminal
06/21/2011	US7965990 Wireless backhaul power amplification using fourier transform matricies
06/21/2011	US7965988 Apparatus and method for calibration of gain and/or phase imbalance and/or DC offset in a communication system
06/21/2011	US7965221 Selective disruptor for voice modulated communications
06/14/2011	US7962112 Heterodyne receiver
06/14/2011	US7962105 RF power module
06/14/2011	US7961886 Wireless perimeter security device and network using same
06/08/2011	EP2330441A1 Generalized High Performance Navigation System
06/07/2011	US7957705 System and method for reducing radio frequency interference caused by a carrier
06/03/2011	WO2011066093A1 Digital multi-channel ecm transmitter
06/03/2011	CA2781933A1 Digital multi-channel ecm transmitter
06/02/2011	US20110130085 Method and apparatus for identifying read zone of rfid reader
06/01/2011	CN102082621A Communication blocking method and communication blocking device
06/01/2011	CN102079249A Combined instrument system capable of shielding mobile phone signals
05/2011
05/31/2011	US7953407 Centralized management of telecommunications parameters
05/31/2011	US7953380 High efficiency RF transmitter system using non-linear amplifiers
05/31/2011	US7952511 Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
05/26/2011	US20110125530 Central server system for collecting patient health condition management data
05/26/2011	US20110122011 Digital multi-channel ecm transmitter

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ... 20