Patent · US Expired

Test mode readback in a memory display interface

US5404318A · kind A · utility

12Cited by
5References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1992
Grant dateApr 4, 1995
Priority date
Expiry dateDec 1, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G5/39
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A test mode read back function for verifying the functions of the memory display interface and a VRAM frame buffer coupled to the memory display interface, wherein the memory display interface implements programmable pixel rates and pixel depths, and programmable pixel processing functions.

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