Title:
【発明の名称】チョークコイル
Document Type and Number:
Japanese Patent JP3063632
Kind Code:
B2
Abstract:
A choke coil equipped with a bobbin which is easy to form, which is resistant to mechanical impacts and which is light in weight and inexpensive. A bobbin 2 is formed, for example, by fitting or gluing together a bobbin member 21 formed of a magnetic substance and a bobbin member 22 formed of a non-magnetic substance. The magnetic substance bobbin member 21 is equipped with a core portion 23a with flange members 24a and 25a at the ends thereof and a flange member 26a provided in the central section thereof. The non-magnetic substance bobbin member 22 is equipped with a tubular portion 23b with flange members 24b and 25b provided at the ends thereof and a flange member 26b provided in the central section thereof. A tubular body portion 23 of the bobbin 2 is formed by the core portion 23a and the tubular portion 23b, and flange portions 24, 25 and 26 of the bobbin 2 are respectively formed by flange members 24a/24b, 25a/25b and 26a/26b.
Inventors:
Koichi Yamaguchi
Toshi Numata
Toshi Numata
Application Number:
JP23172296A
Publication Date:
July 12, 2000
Filing Date:
September 02, 1996
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01F37/00; H01F27/02; H01F27/06; H01F27/255; H01F19/08; (IPC1-7): H01F37/00; H01F27/06
Domestic Patent References:
| JP7106140A | ||||
| JP6283359A | ||||
| JP5851426U |
Attorney, Agent or Firm:
Takekazu Morishita