The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 16, 1996

Filed:

Jun. 10, 1991
Applicant:
Inventors:

Toru Sakaibara, Kawasaki, JP;

Ryoichi Takamatsu, Hitachi, JP;

Hideyuki Hara, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T / ;
U.S. Cl.
CPC ...
395133 ; 395162 ; 395163 ; 395800 ; 364133 ;
Abstract

A main processor sends to a command distribution device a series of graphic commands including an attribute command updating the state of the attribute which designates a display mode, and a primitive command defining graphics to be displayed. The command distribution device sequentially distributes the series of graphic commands to a plurality of geometry processors which process the graphics according to the type of command. The primitive command is sent to any one of plurality of geometry processors. At least those of the attribute commands which relate to the attributes of display used by the geometry processors are sent to all the geometry processors. The pixel commands comprising the outputs of those geometry processors are sent to a pixel processor which generates an image corresponding to the pixel commands. The pixel processor arranges pixel commands from the plurality of geometry processors on the basis of the data on the allocation of commands received from the command distribute means and then displays the graphic in the form of geometry data.


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