Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 10, 2009
Patent Application Number
11758310
Date Filed
June 5, 2007
Patent Primary Examiner
Patent abstract
A toroidal step-up or step-down transformer includes a toroidal magnetic core, a primary formed from a plurality of primary windings, and a secondary formed from a plurality of secondary windings. Parallel connected windings are added to at least one of the primary and secondary to make the number of primary windings equal to the number of secondary windings, the primary and secondary windings being arranged symmetrically around the core.
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