Patent · US Expired

Electronic equipment with check-sum function

US5146459A · kind A · utility

9Cited by
10References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 17, 1991
Grant dateSep 8, 1992
Priority date
Expiry dateJun 17, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F11/1004
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A data collector, a handy terminal or similar portable electronic equipment with check-sum function, in which circuits for check-sum function are provided separately from the central processing unit, in order to reduce the time required for check-sum procedure.

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