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:
Aug. 08, 1995

Filed:

Jun. 30, 1992
Applicant:
Inventor:

Katsuaki Takagi, Kawagoe, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ; G06F / ;
U.S. Cl.
CPC ...
395418 ; 395500 ;
Abstract

A physical space management table is disposed outside the microprocessor in order to hold attribute data of the regions of the physical space held as a set of a plurality of regions in a manner corresponding to the regions of the physical space. The microprocessor is provided with a physical space management unit which fetches the attribute data from the physical space management table and manages them. The physical space management unit includes a physical space management table search control circuit, and a physical data buffer which primarily holds the attribute data obtained by the physical space management table search control circuit and the physical address in a manner corresponded to each other.


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