CPC G01S1/72
Jump to navigation
Jump to search
Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith; using ultrasonic, sonic or infrasonic waves.[1][2]
- CPC G01: Measuring; testing; for counting
- CPC G01S: Radio direction-finding, radio navigation, determining distance or velocity by use of radio waves, location-finding or presence-detection by use of reflection or reradiation of radio waves; or analogous arrangements using other waves
- CPC G01S1/00
- CPC G01S1/72: Beacons and receivers using ultrasonic, sonic or infrasonic waves
- CPC G01S1/00
- CPC G01S: Radio direction-finding, radio navigation, determining distance or velocity by use of radio waves, location-finding or presence-detection by use of reflection or reradiation of radio waves; or analogous arrangements using other waves
References
- ↑ CPC G01S1/72 element at Espacenet web site
- ↑ CPC G01S1/72 element listed at USPTO
This wiki has 10 patents in category "CPC G01S1/72". Patents in category CPC G01S1/72
- Patent FR-1916-501550 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Inventors: Pierre Le Goaziou, Filing date: 1916-02-22)
- Patent FR-1916-501550.22236 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Inventors: Pierre Le Goaziou, Supplementary to patent: Patent FR-1916-501550, Filing date: 1916-09-18)
- Patent FR-1917-501550.22502 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Inventors: Pierre Le Goaziou, Supplementary to patent: Patent FR-1916-501550, Filing date: 1917-12-17)
- Patent FR-1918-501550.22503 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Inventors: Pierre Le Goaziou, Supplementary to patent: Patent FR-1916-501550, Filing date: 1918-11-04)
- Patent FR-1918-501550.22504 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Inventors: Pierre Le Goaziou, Supplementary to patent: Patent FR-1916-501550, Filing date: 1918-11-14)
- Patent FR-1918-501550.22505 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Inventors: Pierre Le Goaziou, Supplementary to patent: Patent FR-1916-501550, Filing date: 1918-12-07)
- Patent FR-1919-501550.22578 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Inventors: Pierre Le Goaziou, Supplementary to patent: Patent FR-1916-501550, Filing date: 1919-01-27)
- Patent FR-1920-501550.23513 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Inventors: Pierre Le Goaziou, Supplementary to patent: Patent FR-1916-501550, Filing date: 1920-09-03)
- Patent FR-1921-501550.24794 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Inventors: Pierre Le Goaziou, Supplementary to patent: Patent FR-1916-501550, Filing date: 1921-04-29)
- Patent FR-1926-622770 (English title: Improvements to devices for detecting and locating airborne or underwater noise, Inventors: Pierre Le Goaziou, Filing date: 1926-09-20)
| Enclosing categories | CPC G01S, CPC G01S1/00 |
|---|---|
| Subcategories | |
| Keywords | |
| Start year | |
| End year |
