Method and apparatus for ultrasonic sensing
US7911881B2 · kind B2 · utility
10Cited by
8References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 5, 2008 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Mar 11, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2007/52014
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A distance and temperature sensing unit is used on paving vehicles. The unit has a first set of range sensors of a first diameter and a second set of range sensors of a second diameter. The unit calculates a weighted average distance to a road surface based on ranges measured by the multiple sensors. The unit also has a temperature sensor on a temperature bar. The bar is affixed to the unit by a flexible connection preventing break-off when the bar encounters obstacles, like the road surface, while the paving vehicle is moving.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.