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:
Oct. 05, 1993
Filed:
Aug. 23, 1989
Hitachi, Ltd., Tokyo, JP;
Abstract
In a composite data processing system including a plurality of data processing units each containing one or a plurality of instruction processors and a main storage accessed by the instruction processor, and an extended storage shared by the data processing units and accessed by each of the instruction processors, the present invention provides a composite data processing system characterized by including a means for referring to a designated area on the extended storage by each of the instruction processors, a means for rewriting the area described above in accordance with the value of part of the entire part of the area based on the result of a referring operation and a means for generating an instruction for executing the operations from the reference operation to the rewrite operation as an inseparable operation.