• All sections
• G - Physics
• G01S - Radio direction-findingradio navigationdetermining distance or velocity by use of radio waveslocating or presence-detecting by use of the reflection or reradiation of radio wavesanalogous arrangements using other waves
• G01S 3/50 - Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being pulse modulated and the time difference of their arrival being measured

Patent holdings for IPC class G01S 3/50

Total number of patents in this class: 73

10-year publication summary

Principal owners for this class