Planar antenna

Details Planar antenna Planar antenna

1999-07-15

2000-09-26

Wong, Don

Communications: radio wave antennas

Antennas

Microstrip

343848, H01Q 302

Patent

active

061248304

ABSTRACT:
A fifth transmission line is connected between points at each of which a difference between a length from the point to one side of one antenna element in a first transmission line or a second transmission line and a length from the point to one side of the other antenna element is equal to the half of the wavelength. A sixth transmission line is connected between points at each of which a difference between a length from the point to one side of one antenna element in a third transmission line or a fourth transmission line and a length from the point to one side of the other antenna element is equal to the half of the wavelength. A voltage based on a vertically polarized wave is outputted from an intermediate point of the fifth transmission line and a voltage based on a horizontally polarized wave is outputted from an intermediate point of the sixth transmission line.

REFERENCES:
patent: 4761653 (1988-08-01), Owens et al.
patent: 4914445 (1990-04-01), Shoemaker
patent: 4937585 (1990-06-01), Shoemaker
patent: 5210541 (1993-05-01), Hall et al.
patent: 5233361 (1993-08-01), Boguais

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