Inductance device

Details Inductance device Inductance device

2008-07-08

2008-07-08

Enad, Elvin (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

Reexamination Certificate

active

07397335

ABSTRACT:
The superimposition characteristics are improved in an inductance device provided with coils having sections with different numbers of windings. The inductance device includes a ring-shaped coil having n winding section31in which the number of windings is n and n+1, magnetic circuit materials 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 section31or the magnetic flux that was formed so as to surround aforementioned n+1 winding section32.

REFERENCES:
patent: 5889373 (1999-03-01), Fisher et al.
patent: 57096513 (1982-06-01), None
patent: 2001267129 (2000-03-01), None
Hitoshi; “Multilayer Inductance Element”; Patent Abstracts of Japan, of JP 10-335144, Publication date of application, Dec. 18, 1998.
Keiji; “Chip Inductor and Manufacturing Method Thereof”; Patent Abstracts of Japan, of JP 2001-267129, Publication date of application, Sep. 28, 2001.

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