Planar L-shaped antenna of dual frequency

Details Planar L-shaped antenna of dual frequency Planar L-shaped antenna of dual frequency

2005-02-01

2005-02-01

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S846000

Reexamination Certificate

active

06850192

ABSTRACT:
A planar L-shaped antenna. The antenna is operable at two different frequency ranges and includes a patch line printed on top of a dielectric substrate and has one end formed as a signal feed point. A ground metal plate is printed on a bottom of the dielectric substrate. First and second radiating elements extend oppositely from another end of the patch line. The first and second radiating elements are perpendicular to the patch line and disposed above and beyond the ground metal plate for receiving signals having different frequencies respectively.

REFERENCES:
patent: 4063246 (1977-12-01), Greiser
patent: 5828340 (1998-10-01), Johnson
patent: 6747600 (2004-06-01), Wong et al.

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