Patent · US Expired

Computer-controlled copier-printers

US4188668A · kind A · utility

30Cited by
12References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 16, 1977
Grant dateFeb 12, 1980
Priority date
Expiry dateNov 16, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F13/12
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Multi-processor programmable controller including a random access memory and a non-volatile memory for storing signals relating to a plurality of programs executable in the controller. One processor does text processing and system control functions. A second processor operates the copy production portion. The one processor has complete control of the second processor via a multiprocessor connector.

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