Rectangular helical antenna

Details Rectangular helical antenna Rectangular helical antenna

2008-01-29

2008-01-29

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

C343S787000

Reexamination Certificate

active

11433676

ABSTRACT:
In a helical antenna to be installed inside a mobile communication terminal, for processing low-bandwidth signals, a substrate is made of magnetic dielectric material, a plurality of lower electrodes are disposed on the underside of the substrate, and a plurality of upper electrodes are disposed on the top of the substrate. The upper electrodes are inclined with respect to the lower electrodes, respectively, at a predetermined angle. A plurality of side electrodes electrically connect the lower electrodes with the upper electrodes, respectively. At least a part of a magnetic moment vector, which is formed around each of the lower electrodes by a current flowing in the each lower electrode, is directed in parallel with a current flowing in each of the upper electrodes corresponding to the each lower electrode.

REFERENCES:
patent: 5977927 (1999-11-01), Mandai et al.
patent: 6486852 (2002-11-01), Hirose et al.
patent: 6674405 (2004-01-01), Wang
patent: 2004/0119647 (2004-06-01), Harihara
patent: 1995-31988 (1995-12-01), None
patent: 1998-70284 (1998-10-01), None
patent: 10-2001-25172 (2001-04-01), None
Korean Intellectual Property Office, Office Action mailed, Sep. 18, 2006.

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