Patent · US Expired

Mobile unit communication apparatus providing a relayed signal when error detected

US6252520A · kind A · utility

24Cited by
8References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 2000
Grant dateJun 26, 2001
Priority date
Expiry dateJun 12, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08G1/163
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

The object of the invention is to provide a mobile unit communication apparatus that can give required information of one other mobile unit to another other mobile unit which a radio signal from the one other mobile unit does not directly reach. To achieve the object, an incoming information signal is received, it is judged based upon an information signal incoming when the approach of another plural mobile units near a mobile unit is detected based upon the incoming information signal that an error occurs in communication between another plural mobile units and an information signal to be transmitted between another plural mobile units is relayed when an error in communication between another plural mobile units is detected.

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