Spiral-patterned internal antenna having open stub and...

Details Spiral-patterned internal antenna having open stub and... Spiral-patterned internal antenna having open stub and...

2006-01-31

2008-03-18

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

C343S702000

Reexamination Certificate

active

07345649

ABSTRACT:
The present invention relates generally to a spiral-patterned internal antenna having an open stub and a personal mobile terminal equipped with the same and, more particularly, to the pattern of an open stub. The spiral-patterned internal antenna of the present invention includes a main part having a spiral pattern; and an open stub connected to the main part. According to the present invention, an antenna for a terminal can be constituted regardless of the shape of a rear casing by using a spiral-patterned antenna having an open stub, and a highly efficient antenna can be formed using the suggested open stub.

REFERENCES:
patent: 5929825 (1999-07-01), Niu et al.
patent: 6166694 (2000-12-01), Ying
patent: 6295029 (2001-09-01), Chen et al.
patent: 6329962 (2001-12-01), Ying
patent: 6353443 (2002-03-01), Ying
patent: 6930640 (2005-08-01), Chung et al.
patent: 2004/0125026 (2004-07-01), Pathak et al.
patent: 2005/0007283 (2005-01-01), Jo et al.

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