US Patent 7333142 Power supply apparatus and actuator control apparatus

Patent 7333142 was granted and assigned to Olympus Group on February, 2008 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Olympus Group

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7333142

Date of Patent

February 19, 2008

Patent Application Number

10456033

Date Filed

June 6, 2003

Patent Primary Examiner

‌

James M Hannett

Patent abstract

In accordance with the switching operation of a switching section, current is made to flow from a battery to an inductor repeatedly. A voltage generated at the inductor is smoothed by a condenser and then input to a regulator. A D/A converter within a CPU monitors the input to the regulator, and an output voltage of the regulator stabilizes a reference voltage of the D/A converter.