Multi-band antenna

Details Multi-band antenna Multi-band antenna

2007-02-13

2007-02-13

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S729000, C343S702000, C343S767000

Reexamination Certificate

active

11208673

ABSTRACT:
A multi-band antenna (10) includes one or more a loop portions (12) substantially defining operation in frequency ranges covering between approximately 800 MegaHertz and approximately 1.0 GigaHertz and between approximately 1.8 GigaHertz and approximately 2.0 GigaHertz, a surface plate portion (14) having a length (15) substantially defining operation in a frequency range between approximately 1.7 GigaHertz and approximately 1.9 GigaHertz, and a slot (16) within the surface plate portion having a length (17) substantially defining operation in a frequency range between 5 and 6 Gigahertz (WLAN). The antenna can further include a resonant stub (18) having a length (19) substantially defining operation in a frequency range of approximately 2.4 Gigahertz. The antenna can be a unitary radiating element having a feed element (9) and a ground port (7). Operationally, the antenna can function in 6 bands and can be independently tunable in a majority of the 6 bands.

REFERENCES:
patent: 6762723 (2004-07-01), Nallo et al.
patent: 6917335 (2005-07-01), Kadambi et al.
patent: 7095372 (2006-08-01), Soler Castany et al.
patent: 7095382 (2006-08-01), Surducan et al.

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