Multi-mode antenna and multi-band antenna combination

Details Multi-mode antenna and multi-band antenna combination Multi-mode antenna and multi-band antenna combination

2007-08-28

2007-08-28

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Plural separate diverse type

C343S702000

Reexamination Certificate

active

11167476

ABSTRACT:
The present invention is to provide a combination antenna having multi-mode and multi-band arrangements, which comprises a conductive seat; a non-uniform helical antenna extending from one end of the conductive seat; and a pole antenna extending from one end of the conductive seat through the helical antenna, enabling to be tuned to three or more resonant frequencies through tuning the helical antenna to a plurality of resonant frequencies and tuning the pole antenna to a plurality of resonant frequencies different from that to which the helical antenna is tuned.

REFERENCES:
patent: 6054966 (2000-04-01), Haapala
patent: 6112102 (2000-08-01), Zhinong
patent: 6140973 (2000-10-01), Annamaa et al.
patent: 6288681 (2001-09-01), Kim et al.
patent: 6340954 (2002-01-01), Annamaa et al.
patent: 6816128 (2004-11-01), Jennings
patent: 2004/0189535 (2004-09-01), Kim

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