Patent · US Expired

Two-port memory controller

US4509115A · kind A · utility

21Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 1982
Grant dateApr 2, 1985
Priority date
Expiry dateApr 21, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F15/167
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A memory unit connected in a data processing system including a central processor unit and an input/output unit. The memory unit is connected to the central processor unit through one port, and to the input/output unit through a second port. When the central processor unit wants to transfer data with the input/output unit, it does so through the memory unit.

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