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. 13, 2008
Filed:
Sep. 29, 2004
Applicants:
Kazuhisa Fujimoto, Tokyo, JP;
Makio Mizuno, Sagamihara, JP;
Dai Watanabe, Kawasaki, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A storage systemincludes a channel interface (IF) unithaving an interface with a server, a disk IF unithaving an interface with a hard disk unit, a memory unitfor storing data to be read/written from/to the serveror the hard disk unit, a switching unit, and the hard disk group. The channel IF unit, the disk IF unit, and the memory unitare connected to each other through the switching unit, and an encryption and decryption processing unitis provided between a host IF unitand a transfer controllerin the channel IF unit