Patent · US Expired

Graph display devices

US5739823A · kind A · utility

25Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 1995
Grant dateApr 14, 1998
Priority date
Expiry dateAug 3, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T11/206
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A graph display device which includes an expression input section for inputting functional expression data, an expression color setting for setting a display color for the functional expression data input by the expression input section, and an expression display section for displaying the input functional expression data in the display color set by the expression color setting section. A graph producing section produces a graph for the functional expression data input by the expression input section based on the input functional expression data, and a graph display section display the graph produced by the graph producing section in the same display color as that set for the functional expression data.

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