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Class Information
Number: 342/45
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Radar transponder system > Iff or sif
Description: Subject matter including means to transmit radio signals between two stations located on ships, aircraft, or the ground, for automatic identification of particular station characteristics, such as station type (e.g., ally or enemy, bomber or fighter, etc.).

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8674872 Method for increasing the time for illumination of targets by a secondary surveillance radar Mar. 18, 2014
8654003 Omnidirectional pseudo-antenna for interrogator or system allowing the interrogation response and/or passive listening functions Feb. 18, 2014
RE44691 Multi-frequency identification device Jan. 7, 2014
8610618 Method for identifying a facility on the ground or at sea Dec. 17, 2013
8519826 Tag having a semiconductor chip and method of attachment to article Aug. 27, 2013
8462042 Generating a kinematic indicator for combat identification classification Jun. 11, 2013
8441391 Ultra-secure communication methods and apparatus May. 14, 2013
8441392 Method and system for locating a target in an interrogation-response system (IFF) May. 14, 2013
8405539 Target identification method for a synthetic aperture radar system Mar. 26, 2013
8325081 Identification friend or foe (IFF) system Dec. 4, 2012
8269664 Covert long range positive friendly identification system Sep. 18, 2012
8232911 Method and system of reducing friendly fire in anti-aircraft engagements Jul. 31, 2012
8190278 Method for control of a device May. 29, 2012
8184981 Simplifying and cost-effective IR-RF combat identification friend-or-foe (IFF) system for ground targets May. 22, 2012
8179302 Apparatus for sharing an omnidirectional antenna between an IFF transponder and an IFF interrogator May. 15, 2012
8125371 System and method for reducing incidences of friendly fire Feb. 28, 2012
8051597 Scout sniper observation scope Nov. 8, 2011
7889100 Water friend or foe system for global vessel identification and tracking Feb. 15, 2011
7868814 Method for transmission of target information over a network Jan. 11, 2011
7866083 Modular flashlight apparatus for firearm Jan. 11, 2011
7831150 Secure covert combat identification friend-or-foe (IFF) system for the dismounted soldier Nov. 9, 2010
7826839 Communication system to facilitate airborne electronic attack Nov. 2, 2010
7777667 Radar target identification apparatus Aug. 17, 2010
7769502 Survivability/attack planning system Aug. 3, 2010
7705770 System and method for suppressing IFF responses in the sidelobes and backlobes of IFF interrogator antennas Apr. 27, 2010
7675456 Technique for mitigating multipath impacts on azimuth accuracy in a monopulse interrogator Mar. 9, 2010
7672480 Method for photographing on board of a flying rotating body and system for carrying out said method Mar. 2, 2010
7602329 Systems and methods of tracking and/or avoiding harm to certain devices or humans Oct. 13, 2009
7583937 Digital interface and related event manager for integrated circuits Sep. 1, 2009
7580004 System and method for position or range estimation, tracking and selective interrogation and communication Aug. 25, 2009
7573369 System and method for interrogating and locating a transponder relative to a zone-of-interest Aug. 11, 2009
7574732 Object location based security using RFID Aug. 11, 2009
7518501 GPS based situational awareness and identification system and method Apr. 14, 2009
7489240 System and method for 3-D position determination using RFID Feb. 10, 2009
7489265 Vehicle sensor system and process Feb. 10, 2009
7427732 Method for targeting a source of an incoming laser Sep. 23, 2008
7414568 Low irradiance sensor with iterative angular resolution Aug. 19, 2008
7339516 Method to provide graphical representation of Sense Through The Wall (STTW) targets Mar. 4, 2008
7308207 Method for identifying an interrogated object using a dynamic optical tag identification system Dec. 11, 2007
7298312 Detecting small, time domain impulsive communications signals Nov. 20, 2007
7246237 Method and device for the generation of several channels in an IFF type system Jul. 17, 2007
7224308 Identification and location system for personnel and vehicles May. 29, 2007
7221308 Joint stars embedded data link May. 22, 2007
7196655 System and method for highly directional electronic identification and communication and combat identification system employing the same Mar. 27, 2007
7190907 Dynamic optical tag Mar. 13, 2007
7106245 Digital RF tag Sep. 12, 2006
7091860 Multi-frequency identification device Aug. 15, 2006
7055420 Friendly fire avoidance/self-defense system Jun. 6, 2006
7050000 Radar based application programmable waveform generator component May. 23, 2006
7046186 Friend/foe identification system for a battlefield May. 16, 2006

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