Patent · US Expired

Dynamic video RAM incorporationg on chip line modification

US5148523A · kind A · utility

42Cited by
24References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 29, 1988
Grant dateSep 15, 1992
Priority date
Expiry dateNov 29, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2360/126
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An architecture for a dynamic video random access memory on a single integrated circuit chip having internal circuitry for performing drawing or replacement rule logical operations on an addressed line of stored video information in the RAM and further having the write masking circuitry for modifying selected portions of the line of stored video information between selected START and STOP bit locations within the line.

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