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. 28, 1989
Filed:
Aug. 11, 1986
Norikazu Endo, Hadano, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a multiprocessor system having a plurality of independent modules including a processor and a memory where the modules are connected via a common transmission path, a transmission control section for handling the interface with the transmission path between the modules is also equipped with a dedicated processor and controlled by its own microprogram. In accordance with the present invention, the memory for storing the microprogam therein is constituted by a writable memory, and the system is so configured that the microprogram may be loaded not only from the inside of the concerned module but also from another module through the common transmission path. Since the microprogram of the transmission control section can thus be loaded from two routes, the system can be configured or reconfigured with significant flexibility.