Patent · US Expired

Controller and operating system

US6993765B2 · kind B2 · utility

9Cited by
9References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 2002
Grant dateJan 31, 2006
Priority date
Expiry dateJan 12, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B19/042
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A plurality of tasks are managed by being classified into a communication task group, a control task group, and a management task group for management. An execution order of the plurality of tasks is switched by a group unit and, in accordance with a switched task group, information obtained from a LAN or information obtained from each device is processed by a CPU.

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