Acoustic distance measurement system having cross talk immunity
US8416641B2 · kind B2 · utility
7Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2010 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Feb 6, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S15/325
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In one embodiment, an acoustic distance measurement system can use a modulation pattern to modulate a carrier wave. The modulated carrier wave may be transmitted to an acoustic transducer. An echo of the transmitted signal can be detected by correlating the received signal with the modulation pattern. Subsequent to detecting sufficient correlation between the received signal and modulation pattern, a distance determination can be made to determine the distance to the object that produced the received echo.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.