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. 18, 1999
Filed:
Jan. 26, 1996
Hajime Takahashi, Kawasaki, JP;
Nobuhisa Hattori, Kawasaki, JP;
Toshihide Tsuzuki, Yokohama, JP;
Jun Funaki, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A multiprocessor system having the capability of increasing the speed of a bus clock while retaining high reliability and fault tolerant performance as well as utilizing the current operating system resources. The multiprocessor system is made up of a plurality of processor modules connected together through a duplicated system bus. The duplicated system bus is divided into a plurality of segments, and these segments are coupled together by at least one bus extender mechanism. The multiprocessor system is also provided with first notification means which is provided between bus control mechanisms for controlling the states of physical buses and the bus extender mechanism, and the bus control mechanisms and the bus extender mechanism are mutually notified of the state of each mechanism through the first notification means.