Device for measuring wear of trolley wire by image processing
US7795604B2 · kind B2 · utility
2Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2007 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | Apr 11, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/952
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention provides a trolley wire wear measurement device by image processing in which a line sensor is arranged vertically and upward on a roof of an inspection car so that the line sensor looks up to a trolley wire and a lighting means that illuminates the trolley wire is formed by arranging a plurality of point light sources in a straight line in a direction perpendicular to a travelling direction of the inspection car on the inspection car.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.