Patent · US Expired

Control structure for a document processing system

US4633430A · kind A · utility

118Cited by
6References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 3, 1983
Grant dateDec 30, 1986
Priority date
Expiry dateOct 3, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F16/93
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A document processing system including a control structure having separated supervisory and document functions. The document functions, including a document buffer and document access control means are the sole means for accessing documents and the document function routines are selected from predetermined library of such routines. The system includes a flexible, expandable document structure incorporating information item blocks and indexing blocks related through pointers and means for applying visual and informational attributes to document text.

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