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:
May. 12, 1998
Filed:
Dec. 13, 1995
Applicant:
Inventors:
Katsuki Miyawaki, Kawasaki, JP;
Yukio Otobe, Kawasaki, JP;
Kimihiko Kazui, Kawasaki, JP;
Hideki Miyasaka, Kawasaki, JP;
Yasunori Ueno, Yokohama, JP;
Kouji Maruyama, Fukuoka, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
711158 ; 711151 ;
Abstract
Control operations to access a memory changes respective priorities of the operations depending on the situation of the memory, and the operations are arbitrated and scheduled according to the respective, changed priorities, in order to avoid concentration on or rejection of a specific memory access operations and to eliminate an ineffective period. This realizes an efficient memory system without increasing the capacity of a buffer memory, the width of a memory bus, or an operating frequency.