CHOKE COIL

CHOKE COIL

PROBLEM TO BE SOLVED: To provide a small choke coil exhibiting superior noise-removing characteristics over a wide frequency band from a low-frequency region to a high-frequency region. SOLUTION: When a first winding part 21a and a second winding part 21b are inductive, a square-eight segment shaped...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: NISHIKAWA ZENEI, OI TAKAAKI, IGASHIRA KIYOAKI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a small choke coil exhibiting superior noise-removing characteristics over a wide frequency band from a low-frequency region to a high-frequency region. SOLUTION: When a first winding part 21a and a second winding part 21b are inductive, a square-eight segment shaped magnetic body core 11 has a first closed magnetic path 12a of a normal mode, passing a magnetic flux generated from the first winding part 21a and a magnetic flux generated from the second winding part 21b to reinforcing each other, and a third closed magnetic path 12b of normal mode passing the magnetic flux generated from the first winding part 21a. When the first winding part 21a is of capacitive and the second winding part 21b is inductive, the magnetic body core 11 has a second closed magnetic path of a normal mode, passing through the magnetic flux generated from the second winding part 21b. COPYRIGHT: (C)2004,JPO