Patent · US Expired

Raster memory manipulation apparatus

US4435792A · kind A · utility

519Cited by
0References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 30, 1982
Grant dateMar 6, 1984
Priority date
Expiry dateJun 30, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T1/20
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus for manipulating and displaying raster images stored in a memory system under computer control, wherein a function unit combines new display data presented to the apparatus with display data already stored in memory, to form a new display that is stored in memory system, all in a single read/modify/write cycle.

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