Inductor devices – Plural part core
Reexamination Certificate
2007-05-17
2008-11-04
Nguyen, Tuyen T. (Department: 2832)
Inductor devices
Plural part core
Reexamination Certificate
active
07446641
ABSTRACT:
A small loop path9A composed of a part of each of a first core51and a second core52is disposed with two windings2A and3A of a transformer portion4A, and a small loop path9B composed of another part of each of the first core51and the second core52is disposed with two windings2B and3B of a transformer portion4B. A magnetic flux generated at the transformer portion4A circulates along the small loop path9A, and a magnetic flux generated at the transformer portion4B circulates along the small loop path9B with each flux circulating in a mutually reverse direction.
REFERENCES:
patent: 6781325 (2004-08-01), Lee
patent: 7180399 (2007-02-01), Chung
patent: 7301430 (2007-11-01), Chan et al.
patent: 7345565 (2008-03-01), Yang et al.
patent: 2003-031383 (2003-01-01), None
patent: 2006-012781 (2006-01-01), None
patent: WO 2005/038828 (2005-04-01), None
Nguyen Tuyen T.
Oliff & Berridg,e PLC
Sumida Corporation
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