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:
Aug. 15, 2006
Filed:
Jul. 01, 2004
Keisei Fujiwara, Kawasaki, JP;
Kenta Shiga, Tokyo, JP;
Atsuya Kumagai, Kawasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Each of the storage devicesis provided with transmission queueswith respect to each of transmission paths A and B. The storage devicestores identical request data in each of the transmission queuesand, and transmits each data to the counterpart storage device, respectively via the transmission path A and B (S). The storage device, being a counterpart, stores the request data or response data arrived earlier in the receive history information table(S), and discards the request data arrived later (S). Furthermore, if the storage device, being a transmission source, receives at least one response data against the request data, the storage devicesearches the transmission queues, and if there remains request data in any of the transmission queue, deletes the request data (S).