Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2007-03-20
2007-03-20
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
Microstrip
C343S833000, C343S834000, C343S846000
Reexamination Certificate
active
11223391
ABSTRACT:
Planar monopole antennas. A planar monopole antenna for communicating radio signals within a specific frequency range includes a substrate, a ground, a first sleeve, a second sleeve and a radiator. The radiator and the ground are formed on the substrate. The first and second sleeves project from a side of the ground in a first direction, wherein the first sleeve has a first length, and the second sleeve has a second length in the first direction. The side of the ground defines a third length. The radiator has a fourth length in the first direction, substantially equal to the sum of the first, second, and third lengths.
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Pey-Ling Teng et al, “Multi-Frequency Planar Monopole Antenna for GSM/DCS/PCS/WLAN Operation,”Microwave and Optical Technology Letters, vol. 36, No. 5, 2003, pp. 350-352, Wiley Periodicals, Inc., USA.
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Chen Chih-Lung
Liu Chih-Kai
Nguyen Hoang V.
Quintero Law Office
Wistron NeWeb Corp
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