Patent · US Expired

Controlling communications between computer devices over common bus

US3978451A · kind A · utility

25Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 1975
Grant dateAug 31, 1976
Priority date
Expiry dateApr 21, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L12/407
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A system for controlling communications between a plurality of computer devices via a common bus. The bus includes a multi-conductor data bus and lines for busy, strobe and acknowledge signals. The system involves one universal interface unit associated with each respective computer device. Each device can initiate access to the common bus, through its respective interface unit, on a first-come, first-served basis.

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