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:
Feb. 23, 2010
Filed:
Sep. 28, 2007
Yasuhiro Sakakibara, Odawara, JP;
Hiroshi Suzuki, Sagamihara, JP;
Hiromi Matsushige, Hiratsuka, JP;
Masato Ogawa, Chigasaki, JP;
Yasuhiro Sakakibara, Odawara, JP;
Hiroshi Suzuki, Sagamihara, JP;
Hiromi Matsushige, Hiratsuka, JP;
Masato Ogawa, Chigasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A disk array system including at least one channel control portion, at least one disk control portion, a cache memory, a cache switch, a shared memory, a power unit, and a casing for storing the channel control portion, the disk control portion, the cache memory, the cache switch, the shared memory and the power unit, wherein: each of the channel control portion, the disk control portion, the cache memory, the cache switch and the shared memory includes a control board having a plurality of electronic circuits different in operating voltage, and a voltage converter for converting a single input voltage into voltages for operating the electronic circuits respectively; and the power unit supplies a voltage to the voltage converter provided in each of the channel control portion, the disk control portion, the cache memory, the cache switch and the shared memory.