H - Electricity – 04 – B
Patent
H - Electricity
04
B
336/48, 333/75
H04B 15/02 (2006.01) H01F 17/06 (2006.01) H01F 38/02 (2006.01) H03H 1/00 (2006.01) H03H 7/09 (2006.01)
Patent
CA 1299256
ABSTRACT OF THE DISCLOSURE An AC line filter in which a pair of windings are wound in an opposite direction to each other and are provided at opposing locations on a main core that forms a closed magnetic path. At least one auxiliary core which forms a shorter magnetic path than the main core is positioned adjacent the main core. The auxiliary core has at low frequency region an effective permeability higher than that of the main core. A portion of each of the pair of windings is provided in such a way that the portion is a concentrated winding which surrounds both the main core and the auxiliary core simultaneously.
577469
Inoue Yuuzaburo
Takagi Kusuo
Nippon Telegraph & Telephone Corporation
Robic
Sanritsu Electric Company Ltd.
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