Patent · US Expired

Computer systems

US4164017A · kind A · utility

46Cited by
17References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 1975
Grant dateAug 7, 1979
Priority date
Expiry dateApr 16, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F11/1489
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A data processor has provision for error recovery by the division of a program into a set of program blocks. The apparatus has a main store and a cache store that preserves the states that have previously been taken up by items of information prior to commencing each block so that the states of the items of information prevailing at the beginning of a block can be restored if required.

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