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.
Patent No.:
Date of Patent:
Apr. 28, 1992
Filed:
Oct. 26, 1988
Applicant:
Inventor:
Setsufumi Kamuro, Matsudo, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395400 ; 3642475 ; 3642551 ; 3642555 ; 3642565 ; 364D / ;
Abstract
A memory management unit in which logical addresses are translated into physical addresses is provided that comprises a segment register section that is composed of a plurality of segment registers; a segment address decoder for selecting a desired segment register in the segment register section; and an effective-address selection register from which an effective address for the desired segment register is fed to the segment address decoder. A part of the logical address is used as the effective address and the remaining part of the logical address is used as an expanded part of the physical address.