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. 24, 1979
Filed:
Oct. 15, 1976
Seigo Suzuki, Yokohama, JP;
Seiji Eguchi, Kawasaki, JP;
Tokyo Shibaura Electric Co., Ltd., Kawasaki, JP;
Abstract
A data transfer control system for controlling the priority use of a common bus shared by a plurality of data processors which comprises a bus rank memory for storing signals denoting a demand for the priority use of the common bus which are supplied from said plural data processors; and a priority-detecting circuit for detecting the sequential priority positions of signals demanding the priority use of the common bus which are stored in said bus rank memory, wherein the plural data processors are supplied with a control signal instructing the use of the common bus or a waiting position for said use according to the sequential priority positions of the common bus use-demanding signals which have been detected by said priority-detecting circuit.