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:
Jun. 23, 2015
Filed:
Jun. 15, 2012
Toru Kosaka, Tokyo, JP;
Toru Kosaka, Tokyo, JP;
Oki Data Corporation, Tokyo, JP;
Abstract
A power supply apparatus includes an arithmetic unit configured to successively update a N-bit division ratio at every step whose processing timing is managed by a timer, by adding or subtracting of preset data read from a data memory to or from the N-bit division ratio in accordance with a comparative output. An arithmetic unit performs an arithmetic operation to make a feedback data value approach a target data value by a negative feedback control, the arithmetic operation using, as the preset data, data read from the address specified by data with a predetermined bit width of M (M<N) extracted from the successively updated N-bit division ratio.
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