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:
Mar. 18, 2008
Filed:
May. 30, 2007
Seiji Kaneko, Tokyo, JP;
Seiji Kaneko, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Control methods are provided for a storage device controller system including first and second storage device controllers. Each of the first and second storage device controllers includes an I/O control module for communicating with a respective storage device storing data in a Fixed Block Architecture recording format, and a respective communications control module for receiving data requests for a respective storage device. The first storage device controller transmits a command to the second storage device controller if a data read request is received for data stored on storage device for the second storage device controller, and subsequently transmits the data that are read out from the storage device by the second storage device controller.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile