Patent · US Expired

Traffic system to prevent from accidents

US6472978B1 · kind B1 · utility

39Cited by
5References
13Claims
0Family size

Assignees

Inventors

Key dates

Filing dateNov 24, 2000
Grant dateOct 29, 2002
Priority date
Expiry dateNov 24, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08G1/166
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An improved traffic accident preventing system to alarm both a driver on vehicle and pedestrian each other using a radio communication unit when they are located close. This system also provides a traffic monitoring and control system using communication between vehicle, pedestrian with communication unit and radio unit equipped by roadside, in which a traffic management center can send information to a specific vehicle and pedestrian with communication unit, and also receive information from them.

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