Patent · US Expired

Data display method

US5151974A · kind A · utility

15Cited by
19References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 1987
Grant dateSep 29, 1992
Priority date
Expiry dateJul 29, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/04845
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a graphic data processing system of a CAD system for the design of an LSI, there is provided a display screen, a storage in which graphic data structured in the hierarchy of three levels, i.e. a functional block diagram level, a logical symbol level and a circuit component level, and a pointing device for designating a window within the display screen. The display method of the present invention is characterized in that the size of a designated window is judged and the graphic data of the concept level corresponding to the judged size of the window is read out and displayed within the window.

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