Patent · US Expired

Road surface condition monitoring system using sensors disposed under the road

US6441748B1 · kind B1 · utility

115Cited by
8References
15Claims
0Family size

Assignees

Inventors

Key dates

Filing dateApr 2, 2001
Grant dateAug 27, 2002
Priority date
Expiry dateApr 2, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08G1/096783
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A road surface monitoring system for monitoring the condition of a road surface wherein at least one sensor unit is interchangeably provided in a sealed container disposed below the road surface and a power source is provided to power the sensor unit, and a communications device is provided to obtain measurement and/or monitoring data from the at least one sensor unit and to provide control signals to the at least one sensor unit, whereby an inexpensive and readily maintainable system is provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.