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. 02, 2011
Filed:
Jan. 07, 2008
Hiroshi Suzuki, Sagamihara, JP;
Tetsuya Inoue, Odawara, JP;
Masahiro Sone, Numazu, JP;
Toshiyuki Nagamori, Odawara, JP;
Masateru Kurokawa, Chigasaki, JP;
Hiroshi Suzuki, Sagamihara, JP;
Tetsuya Inoue, Odawara, JP;
Masahiro Sone, Numazu, JP;
Toshiyuki Nagamori, Odawara, JP;
Masateru Kurokawa, Chigasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The power supply device of the present invention supplies power individually to a plurality of disk drives by rendering a plurality of DC/DC converters redundant. One redundant power supply substrate is assigned to a plurality of normal power supply substrates. One redundant power supply substrate supports the outputs of a plurality of normal power supply substrates. The main DC/DC converters in the normal power supply substrate correspond with the subgroups on a one-for-one basis. The secondary DC/DC converters in the redundant power supply substrate each correspond with all of the respective subgroups and are able to supply power to a predetermined single disk drive among the respective disk drives in the subgroups for each of the subgroups.