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:
Sep. 22, 1987

Filed:

Feb. 06, 1984
Applicant:
Inventors:

Koichi Ikeda, Atsugi, JP;

Kozi Nakamura, Hadano, JP;

Toshihiro Okabe, Hadano, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
364200 ;
Abstract

In an information processing system utilizing a virtual storage, an address translation look-aside buffer for translating a logical address into a physical address is provided to access the main storage by use of the translated physical address. The processing system has a storage control unit for controlling the operation of the address translation look-aside buffer and the main storage, which are connected with a common bus through which addresses and data are transferred on a time-division basis. The storage control unit has a bus control circuit for controlling the common bus so that addresses are transferred from the translation look-aside buffer and data is transferred to the main storage on the common bus at different times.


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