Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dayu Qu0
Date of Patent
March 29, 2011
0Patent Application Number
118756950
Date Filed
October 19, 2007
0Patent Primary Examiner
Patent abstract
Embodiments of the present invention provide an apparatus that reduces an audible noise produced in a power supply. The apparatus includes: (1) a housing; (2) an inductor coil formed from a coil of wire enclosed in the housing; (3) a set of wires that are coupled from the inductor coil to the outside of the housing through corresponding apertures in the housing, comprising electrical leads for the inductor coil; and (4) a predetermined amount of adhesive in the apertures that bonds the wires to the housing to reduce an audible noise produced when the current through the inductor coil is cycled quickly.
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