ClassID:

172763

G01S13/78 - CPC Classification

Classification description:

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:
Recent Application in this class:
#1
20260093032
2026-04-02

ALLY TRANSPONDER FOR ASSISTED NAVIGATION

#2
20250383440
2025-12-18

SURVEILLANCE SYSTEM FOR THE OPTIMAL CALCULATION OF THE REAL-TIME SIMULTANEOUS LOCATIONS OF MULTIPLE TARGETS

#3
20240319361
2024-09-26

Multi-element aperture for identification friend or foe (IFF) transponder systems

#4
20240094331
2024-03-21

RADIO FREQUENCY (RF) ENVIRONMENT MONITOR AND RESPONSE SYSTEM

#5
20240006878
2024-01-04

Pulsed high power RF protection using transient voltage suppression (TVS) diode

#6
20230408645
2023-12-21

MODULAR RADAR SYSTEMS

#7
20220252714
2022-08-11

RADAR SIGNAL PROCESSING DEVICE, RADAR SENSOR SYSTEM, AND SIGNAL PROCESSING METHOD

#8
20210179017
2021-06-17

Calculation means, arrangement and method for determining the position of an authentication means for a vehicle

#9
20210072755
2021-03-11

Method and remote control device for reconfiguring travel route of objects by reflecting predicted risk level to risk map

#10
20200371201
2020-11-26

Intelligent pulse jam detection for identification friend or foe (IFF) systems

#11
20200363529
2020-11-19

System and method for identifying rotary wing aircraft

#12
20200271773
2020-08-27

Incorrect time or wrong key indicator

#13
20200124717
2020-04-23

LOCALIZING TARGETS IN A DISTRIBUTED RADAR ENVIRONMENT BASED ON CORRELATED BLOCKING LIKELIHOOD

#14
20190295422
2019-09-26

SYSTEM AND METHOD FOR AERIAL SYSTEM DISCRIMINATION AND ACTION

#15
20190187271
2019-06-20

Method for measuring antenna patterns of a secondary radar and secondary radar implementing such a method

#16
20190162840
2019-05-30

Method for controlling transmission of an electronically steerable antenna system and such electronically steerable antenna system

#17
20190020404
2019-01-17

Utilization of National Cellular Infrastructure for UAV Command and Control

#18
20180299541
2018-10-18

Identification friend or foe (IFF) system and method

#19
20180197420
2018-07-12

System and method for aerial system discrimination and action

#20
20170170563
2017-06-15

Dual-band modular active antenna

#21
20160211577
2016-07-21

Side lobe modulation system and related techniques

#22
20150338503
2015-11-26

Systems and methods for providing ADS-B mode control through data overlay

#23
20150256255
2015-09-10

Methods and apparatus for target identification

#24
20150168554
2015-06-18

Friend or foe identification system and method

#25
20150077282
2015-03-19

Real-time, two dimensional (2-D) tracking of first responders with identification inside premises

#26
20150008843
2015-01-08

Systems and methods for power management in a beacon

#27
20140373705
2014-12-25

Object-focussed decision support

#28
20140240165
2014-08-28

Multimode device for locating and identifying items

#29
20140167920
2014-06-19

RFID tag movement distinguishing method and RFID tag movement distinguishing program

#30
20140085125
2014-03-27

Multi-transceiver RF alert system for preventing hunting accidents

#31
20140062761
2014-03-06

Method of measuring distance bound using radio frequency identification (RFID) and system thereof

#32
20130050010
2013-02-28

DEVICE AND METHOD FOR ASSESSING A POTENTIAL TARGET

#33
20130015977
2013-01-17

System for preventing friendly fire accidents

#34
20120297654
2012-11-29

Firearm sensor system

#35
20120050088
2012-03-01

Method for identifying a facility on the ground or at sea

#36
20110309966
2011-12-22

Method and system for locating a target in an interrogation-response system (IFF)

#37
20110309965
2011-12-22

Method for transmission of a geographic coordinate

#38
20110304435
2011-12-15

SECURE METHOD FOR TRANSMITTING DATA

#39
20110285572
2011-11-24

Mode 5 detection process using phase and amplitude correlation

#40
20110102236
2011-05-05

Apparatus for sharing an omnidirectional antenna between an IFF transponder and an IFF interrogator

#41
20110090053
2011-04-21

Omnidirectional pseudo-antenna for interrogator or system allowing the interrogation response and/or passive listening functions

#42
20110007938
2011-01-13

Thermal and short wavelength infrared identification systems

#43
20100321260
2010-12-23

Dual-feed antenna

#44
20100277364
2010-11-04

Target identification method for a synthetic aperture radar system

#45
20100149019
2010-06-17

Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surveillance

#46
20100013696
2010-01-21

System and method of orbital angular momentum (OAM) diverse signal processing using classical beams

#47
20090267852
2009-10-29

Small aperture interrogator antenna system employing sum difference azimuth discrimination techniques

#48
20090243911
2009-10-01

METHOD AND DEVICE FOR POSITIONING AIRCRAFT, SUCH AS FOR AUTOMATIC GUIDING DURING THE LANDING PHASE

#49
20090079616
2009-03-26

Covert long range positive friendly identification system

#50
20090074422
2009-03-19

Methods and apparatus for target identification

#51
20090066513
2009-03-12

Object detecting device, object detecting method and object detecting computer program

#52
20090045909
2009-02-19

Water friend or foe system for global vessel identification and tracking

#53
20080100422
2008-05-01

Radio frequency identification device operating methods, radio frequency identification device configuration methods, and radio frequency identification devices

#54
20070290854
2007-12-20

RF Identification System with Restricted Range

#55
20070290853
2007-12-20

RF Identification System with Restricted Range

#56
20070290811
2007-12-20

RF Identification System with Restricted Range

#57
20070252760
2007-11-01

Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surviellance

#58
20070146195
2007-06-28

Multi-sensor system

#59
20070085725
2007-04-19

System and method for highly directional electronic identification and communication and combat identification system employing the same

#60
20070075837
2007-04-05

Radio frequency data communications device with selectively removable antenna portion and method

#61
20070069886
2007-03-29

System and method for interrogating and locating a transponder relative to a zone-of-interest

#62
20060290563
2006-12-28

Detecting small, time domain impulsive communications signals

#63
20060284759
2006-12-21

System and method for suppressing IFF responses in the sidelobes and backlobes of IFF interrogator antennas

#64
20060176211
2006-08-10

Wafer scale antenna module with a backside connectivity

#65
20060143899
2006-07-06

Radio frequency data communications device with selectively removable antenna portion and method

#66
20060094350
2006-05-04

Position detection system, position detection method therefor, position detection communication device, and communication device

#67
20060017939
2006-01-26

Laser perimeter awareness system

#68
20050128131
2005-06-16

Friend/foe identification system for a battlefield

#69
20050119859
2005-06-02

Optimal Surface Mitigated Multiple Targeting System (OSMMTS)

#70
20050040961
2005-02-24

RF identification system with restricted range

#71
20050012654
2005-01-20

Beacon-on-demand radar transponder

#72
15827849
2020-05-26

Electro optical and radio frequency fusion for threat detection

#73
13568772
2016-04-26

Behavior based friend foe neutral determination method