Inductor devices – Plural part core
Reexamination Certificate
2005-07-12
2008-11-04
Nguyen, Tuyen T. (Department: 2832)
Inductor devices
Plural part core
Reexamination Certificate
active
07446640
ABSTRACT:
A leakage transformer includes a primary winding; a secondary winding wound at a part on an extension of a winding part of the primary winding separately from the primary winding and having a coil sectional area smaller than that of the primary winding; a center core part composed of two core members and linearly extending through the primary winding and the secondary winding; and a peripheral core part formed by extending part of the two core members at the center core part and forming a magnetic path on the outer side of the primary winding and the secondary winding.
REFERENCES:
patent: 6278620 (2001-08-01), Yasumura
patent: 56-4220 (1981-01-01), None
patent: 56-112919 (1981-09-01), None
patent: 2000-195731 (2000-07-01), None
patent: 2002-100517 (2002-04-01), None
Miura Hiroki
Saito Masaki
Cowan Liebowitz & Latman P.C.
Montague Mark
Nguyen Tuyen T.
Sumida Corporation
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