Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 19, 2011
Patent Application Number
12154416
Date Filed
May 22, 2008
Patent Primary Examiner
Patent abstract
A bobbin includes a spool portion having a hollow circular cylinder shape and adapted to have a wire wound thereon in multilayer alignment; a flange integrally disposed at one end of the spool portion; and a terminal block integrally disposed at the flange and adapted to terminate the wire, wherein a formula: D×N−D/2≦L<D×N+D/2 is established where L is the effective length of the spool portion, D is the diameter of the wire, and N is the number of turns of the wire for the first layer of the multilayer alignment.
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