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:
Nov. 03, 1992
Filed:
Jan. 11, 1990
Applicant:
Inventors:
Katsuya Kouda, Yokohama, JP;
Masaharu Iwanaga, Kamakura, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395250 ; 364D / ; 3642391 ; 3642316 ; 3642602 ; 3642841 ; 3642443 ; 395775 ;
Abstract
In a data processing system in which data is transferred between memory areas through a transfer buffer shared by the memory areas, receive capability indication means which is commonly accessable by the memory areas and contains information indicating whether data can be transferred to the respective memory areas or not is provided, and data to be transferred from one memory area to other memory area is stored in the transfer buffer in accordance with the content of the receive capability indicator.