172767 ⎘
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 Distance Measuring Equipment [DME] systems
Sub-classes:Ranging Method and Apparatus
#2Pseudo random number pulse control for distance measurement
#3Fixed low intermediate frequency approach to distance measurement transmitter
#4Method and device for transmitting and receiving data via UWB in wireless communication system
#5HIGH PRECISION TIME OF FLIGHT MEASUREMENT SYSTEM FOR INDUSTRIAL AUTOMATION
#6Distance estimating system
#7Systems and methods for providing L-band RF architectures
#8Systems, methods, and apparatuses for determining the distance between two positions
#9High precision time of flight measurement system for industrial automation
#10Asymmetric double-sided two-way ranging in an ultrawideband communication system
#11Systems and methods for providing an integrated TCAS, transponder, and DME system using a dedicated DME antenna
#12Systems and methods for providing a DME L-band shared antenna
#13Method, a system, a transponder, and a position detection apparatus for a precise measurement of a position
#14Ground based navigation aid equipment for aircraft safety
#15RFID tag distance measurer
#16Systems and methods for remote L-band smart antenna distance measuring equipment diversity
#17Method and apparatus for distance measuring equipment (DME/normal) using alternative pulse shapes
#18Method and apparatus for distance measuring equipment (DME/normal) using a smoothed concave polygonal pulse shape
#19RFID tag distance measurer
#20Systems and methods for providing diversity-distance-measuring equipment
#21Terrestrial position and timing system
#22System and method for aircraft navigation using signals transmitted in the DME transponder frequency range
#23Navigation, identification, and collision avoidance antenna systems
#24System and method for providing timing services and DME aided multilateration for ground surveillance
#25Distributed architecture for all radionavigation aids
#26Distance measuring equipment and distance measuring equipment monitor system
#27Pulse detecting equipment
#28METHOD AND APPARATUS FOR DETERMINING DME REPLY EFFICIENCY
#29Methods and systems for determining a received signal frequency
#30DME ground apparatus
#31DME ground apparatus
#32DME ground apparatus
#33Method for automatically selecting radionavigation beacons
#34Integrated distance measuring equipment and transponder system and method
#35Pulse signal transmitting apparatus, method of adjusting waveform of the same, and DME ground station apparatus
#36Method of electromagnetic coupling between a radar in the L band and radionavigation equipment item and autoprotection and radionavigation device
#37System for the relative navigation of aircraft and spacecraft using a phased array antenna
#38Device and method for the suppression of pulsed wireless signals
#39Aircraft distance measuring equipment with directional interrogation