Boundary crossing object detection system
US7492306B2 · kind B2 · utility
7Cited by
24References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2006 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | May 7, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/1609
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An boundary monitoring apparatus comprising an object detection device arranged to transmit a signal into a detection region and to detect an object in said detection region upon receipt of a reflected signal from said object; means for defining a boundary in said detection region; means for determining a path of said object in the detection region; means for performing an evaluation of the determined path of the object with respect to the boundary; and means for causing an alarm event depending on the evaluation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.