Graphic display processing apparatus and method for improving the 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 5353403
SERIAL NO

07856172

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Abstract

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A graphic display processing apparatus which includes having 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 processing apparatus block transfer and character drawing are performed at high speeds, thereby making a window system more practical and offering comfortable operational environment to the user.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HITACHI CHUBU SOFTWARE, LTD.TOKYO4
HITACHI, LTD.TOKYO14221
HITACHI SOFTWARE ENGINEERING CO., LTD.TOKYO95

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirata, Sunao Seto, JP 3 37
Kitahara, Jun Yokohama, JP 96 1672
Kohiyama, Tomohisa Yokohama, JP 32 738
Ote, Ichiro Yokohama, JP 11 544
Oyama, Seiji Seto, JP 3 26
Soen, Takumi Kochi, JP 3 24

Cited Art Landscape

Patent Info (Count) # Cites Year
 
HITACHI, LTD. (1)
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Technic, Inc. (1)
* 4791580 Display processor updating its color map memories from the serial output port of a video random-access memory 23 1986
* Cited By Examiner

Patent Citation Ranking

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HITACHI, LTD. (2)
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9455600 Rotor of electric motor, mold motor, air conditioner, and method of manufacturing the mold motor 0 2012
 
XYLON LLC (2)
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HITACHI SOFTWARE ENGINEERING CO., LTD. (1)
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Canon Kabushiki Kaisha (1)
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* Cited By Examiner