Planar dipole antenna

Details Planar dipole antenna Planar dipole antenna

2005-10-06

2008-12-09

Wimer, Michael C (Department: 2821)

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

Reexamination Certificate

active

07463209

ABSTRACT:
A planar dipole antenna comprises a dielectric substrate, two radiation conductors, and a transmission line. The two radiation conductors are formed on the dielectric substrate and separated by a predefined distance. Each radiation conductor includes first and second metal plates, and a meandered metal line. The meandered metal line has two ends and at least three bending points. One end of the meandered metal line is connected to the first metal plate, while the other end is connected to the second metal plate. This antenna increases the receiver's gain up to 6.8 dBi through the use of the current distribution of three equal-phase areas. This overcomes the drawback of a conventional antenna with receiver's gain only about 2.2 dBi. This planar dipole antenna has a simple structure of single-sided circuitry, and is easily formed on the dielectric substrate by a standard printing or etching process.

REFERENCES:
patent: 4860019 (1989-08-01), Jiang et al.
patent: 6529170 (2003-03-01), Nishizawa et al.
patent: 6747605 (2004-06-01), Lebaric et al.
patent: 7102586 (2006-09-01), Liang et al.
patent: 2003/0020665 (2003-01-01), Shor
patent: 529783 (2003-04-01), None

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