Miniature monopole antenna for dual-frequency printed...

Details Miniature monopole antenna for dual-frequency printed... Miniature monopole antenna for dual-frequency printed...

2005-02-08

2005-02-08

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S829000

Reexamination Certificate

active

06853335

ABSTRACT:
The present invention discloses a miniature monopole antenna for dual-frequency printed circuit board, which individually prints a printed wire, two radiators, and a metal grounding surface on a dielectric printed wire board to form a monopole antenna. Therefore, the antenna can be operated within the dual-frequency range as specified by the IEEE 802.11aprotocol and the IEEE 802.11bprotocol. The monopole antenna designed in this invention not only can receive dual-frequency signals, but also can reduce the occupying volume to about one half of that of the traditional inverted L-shaped monopole antenna, which can effectively reduce the volume of the wireless communication products and comply with the trend of the compact design.

REFERENCES:
patent: 6747600 (2004-06-01), Wong et al.
patent: 6801169 (2004-10-01), Chang et al.

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