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. 19, 1991
Filed:
May. 10, 1988
Applicant:
Inventors:
Minoru Sugano, Yokohama, JP;
Akira Horiki, Yokohama, JP;
Zenichi Yashiro, Iruma, JP;
Hironori Matsushima, Sapporo, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Nippon Telegraph & Telephone Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395425 ; 3642394 ; 3642397 ; 36424231 ; 3642409 ; 364D / ;
Abstract
In a system comprising input/output devices, a memory and a control processor, direct memory access information (memory address and data) from an input/output device to the processor is stored temporarily and then a direct memory access request is transmitted to the processor. The processor bus holding time at direct memory access is reduced, and the processing speed of the processor is improved.
Sugano, Minoru. (1991). Method of direct memory access control (U.S. Patent No. 5067075). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5067075
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile