Patent · US Expired

System and method of operation of dual redundant controllers

US6845467B1 · kind B1 · utility

17Cited by
29References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 2001
Grant dateJan 18, 2005
Priority date
Expiry dateOct 19, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/24183
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A system and method for the switching of control between redundant controllers is presented. The status of the redundant controllers is monitored to determine if switching of control between controllers is required. The monitoring and switching system is hardware based with control being implemented via a state machine.

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