Multi-band antenna

Details Multi-band antenna Multi-band antenna

2008-01-19

2009-11-24

Cho, James (Department: 2819)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07623074

ABSTRACT:
A multi-band antenna, it comprises: a grounding surface, a supporting base and a radiative metallic portion; the grounding surface has a first shorting point and a second shorting point; the radiative metallic portion is attached to a bottom surface of the supporting base, and includes: a first radiative metallic wire, a radiative metallic sheet, a second radiative metallic wire and a parasitic radiative metallic arm. One end point of the first radiative metallic wire is a feeding end for the antenna, while the other end point is electrically connected to the first shorting point of the grounding surface; the radiative metallic sheet is electrically connected to a section of the first radiative metallic wire; the second radiative metallic wire is surrounded by the first radiative metallic wire, of which one end point is electrically connected to the first radiative metallic wire; one end point of the parasitic radiative metallic arm is electrically connected to the second shorting point of the grounding surface.

REFERENCES:
patent: 7075484 (2006-07-01), Sung
patent: 2008/0122714 (2008-05-01), Ishihara et al.
patent: 490884 (2002-06-01), None

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