Title:
インダクタンス素子
Document Type and Number:
Japanese Patent JP4870913
Kind Code:
B2
Abstract:
The superimposition characteristics are improved in an inductance device pursuant to the present invention provided with coils having sections with different numbers of windings. The inductance device pursuant to the present invention is provided with a ring-shaped coil having n winding section 31 in which the number of windings is n and n+1 winding section 32 in which the number of windings is n + 1, magnetic circuit material mounted within and without the ring of aforementioned coil through which magnetic flux is passed to form a magnetic circuit, and a magnetic gap that blocks either the magnetic flux that was formed so as to surround aforementioned n winding section 31 or the magnetic flux that was formed so as to surround aforementioned n+1 winding section 32.
Inventors:
Kawaharai Mitsugu
Application Number:
JP2004108584A
Publication Date:
February 08, 2012
Filing Date:
March 31, 2004
Export Citation:
Assignee:
Sumida Corporation
International Classes:
H01F17/00; H01F27/24; H01F27/28; H01F37/00; H02K1/00; H02K3/00; H01F3/14
Domestic Patent References:
| JP2004014549A | ||||
| JP2000133521A |
Attorney, Agent or Firm:
Honda Takashi