Internal chip antenna

Details Internal chip antenna Internal chip antenna

2008-03-18

2008-03-18

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

Spiral or helical type

C343S7000MS, C343S702000

Reexamination Certificate

active

07345650

ABSTRACT:
The invention provides a chip antenna installed inside a mobile telecommunication terminal, which can process a low band signal. In the chip antenna, a substrate is prepared. A first radiator is formed in a spiral shape inside or on the substrate, and includes at least one spiral radiating part. The first radiator controls inductance of the antenna. Also, a second radiator is connected to the first radiator, and includes an upper meander radiating part disposed in a length direction of the substrate and a lower meander radiating part overlapping and opposing the upper meander in a lower part of the upper meander part. The second radiator controls capacitance of the antenna. In addition, a feeding part is connected to the first radiator, and receives a high frequency current of a given band.

REFERENCES:
patent: 5870066 (1999-02-01), Asakura et al.
patent: 6064351 (2000-05-01), Mandai et al.
patent: 6680701 (2004-01-01), Sung
patent: 6900768 (2005-05-01), Iguchi et al.
patent: 7136021 (2006-11-01), Huang et al.
patent: 7274334 (2007-09-01), O'Riordan et al.
patent: 2001352212 (2001-12-01), None

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