Patent · US Expired

Image display apparatus

US5657248A · kind A · utility

3Cited by
5References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 1995
Grant dateAug 12, 1997
Priority date
Expiry dateJun 2, 2015

Classification

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

Abstract

An image display apparatus having a computer system and an image processor. The computer system includes: a personal computer having a CPU and a main memory; and input/output apparatuses such as magneto-optical disk drive, image scanner, full color printer, etc. The image processor which commonly uses a system bus of the computer system includes an independent dedicated image bus, a compression/expansion unit, an image memory read/write controller, image memories, and a video processor. Image data which is sent from the magneto-optical disk drive is decoded by the compression/expansion unit and is held in the image memories. The image data of the image memories is transferred to the video processor through a dedicated signal line and is displayed on a large screen projection display.

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