Patent · US Expired

Display drive control circuit

US7176870B2 · kind B2 · utility

1Cited by
4References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 2002
Grant dateFeb 13, 2007
Priority date
Expiry dateSep 27, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2360/18
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

No flicker is displayed on the display screen during display of moving pictures and power consumption can be reduced by adding a high quality moving picture display function. Moreover, the number of times of transfer of moving pictures by comprising a still-picture·text·system·I/O bus·interface and a moving picture interface (external display interface), providing a display operation change register (DM) and a RAM access change register (RM) which are changed selectively depending on display content (display mode) displayed on a display device and displaying the display data on the display device via a picture memory even in the moving picture display mode.

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