Patent · US Expired

Video system with XY addressing capabilities

US4654804A · kind A · utility

15Cited by
8References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 1984
Grant dateMar 31, 1987
Priority date
Expiry dateJul 23, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2360/126
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A video system has a processor processing of data to be displayed on a CRT monitor. A memory which is the embodiment shown is a multiport dynamic random accessed memory, stores the data therein according to X and Y coordinates. A video controller controls the transfer of data between the processor and the memory; the controller also, has included therein an X and Y address logic for providing the X and Y coordinates to the memory.

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