Obstacle detection apparatus and method for detecting obstacle
US8503265B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 2, 2010 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Feb 14, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2015/939
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A transmission and reception device is located at a predetermined height on a movable object and directed toward an outside. The transmission and reception device includes a transmission unit for repeatedly transmitting sensing waves at a predetermined interval and a reception unit for receiving reflective waves of the sensing waves from a detected object. A peak value detecting unit detects peak values of the received reflective waves and stores the detected peak values. A difference arithmetic unit calculates a difference in the detected peak values with movement of the movable object closer to the detected object. An object determination unit determines the detected object to be a near-road-surface obstacle, which is close to a road surface, when the difference is a negative value. The object determination unit determines the detected object to be an other obstacle than the near-road-surface obstacle when the difference is a positive value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.