• All sections
• G - Physics
• G01S - Radio direction-finding; radio navigation; determining distance or velocity by use of radio waves; locating or presence-detecting by use of the reflection or reradiation of radio waves; analogous arrangements using other waves
• G01S 13/40 - Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal wherein the frequency of transmitted signal is adjusted to give a predetermined phase relationship

Patent holdings for IPC class G01S 13/40

Total number of patents in this class: 25

10-year publication summary

Principal owners for this class