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:
Jul. 14, 1987
Filed:
Apr. 15, 1986
Hitachi, Ltd., Tokyo, JP;
Other;
Abstract
In each node accommodated in a token-ring network system, a storage unit for storing priority levels is constituted by a plurality of flip-flops which provide bit positions of the same number as that of grades of the priority level. When storing a value of priority level which is higher than a value of priority level stored in the storage unit, the corresponding flip-flop of the storage unit is set. Two priority encoders connected to the output of the storage unit detect, from data of priority level stored in the storage unit, first and second priority levels and load then on registers, respectively. In accordance with the contents of the registers, the corresponding flip-flop of the storage unit is rest, when each node detects a value of priority level stored in the storage unit.