172763 ⎘
Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified; Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
Sub-classes:ALLY TRANSPONDER FOR ASSISTED NAVIGATION
#2SURVEILLANCE SYSTEM FOR THE OPTIMAL CALCULATION OF THE REAL-TIME SIMULTANEOUS LOCATIONS OF MULTIPLE TARGETS
#3Multi-element aperture for identification friend or foe (IFF) transponder systems
#4RADIO FREQUENCY (RF) ENVIRONMENT MONITOR AND RESPONSE SYSTEM
#5Pulsed high power RF protection using transient voltage suppression (TVS) diode
#6MODULAR RADAR SYSTEMS
#7RADAR SIGNAL PROCESSING DEVICE, RADAR SENSOR SYSTEM, AND SIGNAL PROCESSING METHOD
#8Calculation means, arrangement and method for determining the position of an authentication means for a vehicle
#9Method and remote control device for reconfiguring travel route of objects by reflecting predicted risk level to risk map
#10Intelligent pulse jam detection for identification friend or foe (IFF) systems
#11System and method for identifying rotary wing aircraft
#12Incorrect time or wrong key indicator
#13LOCALIZING TARGETS IN A DISTRIBUTED RADAR ENVIRONMENT BASED ON CORRELATED BLOCKING LIKELIHOOD
#14SYSTEM AND METHOD FOR AERIAL SYSTEM DISCRIMINATION AND ACTION
#15Method for measuring antenna patterns of a secondary radar and secondary radar implementing such a method
#16Method for controlling transmission of an electronically steerable antenna system and such electronically steerable antenna system
#17Utilization of National Cellular Infrastructure for UAV Command and Control
#18Identification friend or foe (IFF) system and method
#19System and method for aerial system discrimination and action
#20Dual-band modular active antenna
#21Side lobe modulation system and related techniques
#22Systems and methods for providing ADS-B mode control through data overlay
#23Methods and apparatus for target identification
#24Friend or foe identification system and method
#25Real-time, two dimensional (2-D) tracking of first responders with identification inside premises
#26Systems and methods for power management in a beacon
#27Object-focussed decision support
#28Multimode device for locating and identifying items
#29RFID tag movement distinguishing method and RFID tag movement distinguishing program
#30Multi-transceiver RF alert system for preventing hunting accidents
#31Method of measuring distance bound using radio frequency identification (RFID) and system thereof
#32DEVICE AND METHOD FOR ASSESSING A POTENTIAL TARGET
#33System for preventing friendly fire accidents
#34Firearm sensor system
#35Method for identifying a facility on the ground or at sea
#36Method and system for locating a target in an interrogation-response system (IFF)
#37Method for transmission of a geographic coordinate
#38SECURE METHOD FOR TRANSMITTING DATA
#39Mode 5 detection process using phase and amplitude correlation
#40Apparatus for sharing an omnidirectional antenna between an IFF transponder and an IFF interrogator
#41Omnidirectional pseudo-antenna for interrogator or system allowing the interrogation response and/or passive listening functions
#42Thermal and short wavelength infrared identification systems
#43Dual-feed antenna
#44Target identification method for a synthetic aperture radar system
#45Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surveillance
#46System and method of orbital angular momentum (OAM) diverse signal processing using classical beams
#47Small aperture interrogator antenna system employing sum difference azimuth discrimination techniques
#48METHOD AND DEVICE FOR POSITIONING AIRCRAFT, SUCH AS FOR AUTOMATIC GUIDING DURING THE LANDING PHASE
#49Covert long range positive friendly identification system
#50Methods and apparatus for target identification
#51Object detecting device, object detecting method and object detecting computer program
#52Water friend or foe system for global vessel identification and tracking
#53Radio frequency identification device operating methods, radio frequency identification device configuration methods, and radio frequency identification devices
#54RF Identification System with Restricted Range
#55RF Identification System with Restricted Range
#56RF Identification System with Restricted Range
#57Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surviellance
#58Multi-sensor system
#59System and method for highly directional electronic identification and communication and combat identification system employing the same
#60Radio frequency data communications device with selectively removable antenna portion and method
#61System and method for interrogating and locating a transponder relative to a zone-of-interest
#62Detecting small, time domain impulsive communications signals
#63System and method for suppressing IFF responses in the sidelobes and backlobes of IFF interrogator antennas
#64Wafer scale antenna module with a backside connectivity
#65Radio frequency data communications device with selectively removable antenna portion and method
#66Position detection system, position detection method therefor, position detection communication device, and communication device
#67Laser perimeter awareness system
#68Friend/foe identification system for a battlefield
#69Optimal Surface Mitigated Multiple Targeting System (OSMMTS)
#70RF identification system with restricted range
#71Beacon-on-demand radar transponder
#72Electro optical and radio frequency fusion for threat detection
#73Behavior based friend foe neutral determination method