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:
Sep. 22, 2009
Filed:
Aug. 22, 2005
Atsushi Otani, Moriya, JP;
Atsushi Otani, Moriya, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A data storage apparatus includes a data storage unit to store data, a plurality of buffer units to output data to the data storage unit through a bus that includes a plurality of signal lines, the plurality of buffer units being provided on the plurality of signal lines, a determination unit to determine whether the bus is in an operating state in which transmission and reception of data to and from the data storage unit are performed, a reference voltage supply unit to supply a predetermined reference voltage to the plurality of signal lines, a control unit to control, in a case where the determination unit determines that a state of the bus is changed from an operating state to a nonoperating state, the plurality of buffer units to switch output states to predetermined output states to reduce an amount of electric current flowing in the bus.