• 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 3/82 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic, or infrasonic waves with means for adjusting phase or compensating for time-lag errors

Patent holdings for IPC class G01S 3/82

Total number of patents in this class: 8

10-year publication summary

Principal owners for this class