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Patent Searching and Data


Title:
LINE FILTER
Document Type and Number:
WIPO Patent Application WO/2001/052282
Kind Code:
A1
Abstract:
The invention provides a line filter with improved common mode rejection, which has a good attenuation characteristic in a wide range of low-frequency to high-frequency bands. A line filter has a first winding part (14) for a second band and a second winding part (16) for the second band, which are arranged perpendicularly to a closed magnetic circuit core (11).

Inventors:
TOMITA HIROSHI (JP)
ODA TOSHINORI (JP)
ISHIKAWA HIROTAKA (JP)
MORI TATSUYA (JP)
Application Number:
PCT/JP2001/000115
Publication Date:
July 19, 2001
Filing Date:
January 12, 2001
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
TOMITA HIROSHI (JP)
ODA TOSHINORI (JP)
ISHIKAWA HIROTAKA (JP)
MORI TATSUYA (JP)
International Classes:
H01F37/00; (IPC1-7): H01F38/00
Domestic Patent References:
WO1996014643A11996-05-17
Foreign References:
JPH10163046A1998-06-19
JPS63185219U1988-11-29
EP0971479A22000-01-12
Other References:
See also references of EP 1170759A4
Attorney, Agent or Firm:
Iwahashi, Fumio (Ltd. 1006 Oaza Kadoma Kadoma-shi, Osaka, JP)
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