Graphic display processing apparatus for improving speed and efficiency of a window system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5583985
SERIAL NO

08280578

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A graphic display processing apparatus which includes a CPU, a VRAM and a display controller, a data operation unit, an access cycle generator, an address generator and a sequential transfer sequencer. The graphic display processing apparatus also includes a mask pattern generator, dot mask generator and data position transformer. In the graphic display process apparatus block transfer and character drawing are reformed at high speeds, thereby making a window system more practical and offering comfortable operational environment to the user.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HITACHI LTD6-6 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008280 ?1008280

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirata, Sunao Seto, JP 3 39
Kitahara, Jun Yokohama, JP 159 3491
Kohiyama, Tomohisa Yokohama, JP 37 979
Ote, Ichiro Yokohama, JP 11 783
Oyama, Seiji Seto, JP 6 34
Soen, Takumi Kochi, JP 3 26

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation