Coil device
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United States of America Patent
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Jul 15, 2014
Grant Date -
Feb 28, 2013
app pub date -
Jul 6, 2012
filing date -
Jul 6, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A coil device 10 comprises a bobbin 40 having a bobbin plate 42 provided with a first hollow cylinder 44 on which a primary coil 20 is wound, and a case 50 provided with a second hollow cylinder 54 wound by a secondary coil 30 at the outer circumference. On the bobbin plate 42, a primary terminal 70 connecting to the primary coil 20 and a secondary terminal 72 connecting to the secondary coil 30 are formed, and a tip end portion 55a of case 50 is extended to the end portion of the bobbin plate 42 to which the secondary terminal 72 is formed. Further, on the tip end portion 55a, plural first grooves 57a for lead are formed.
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