| 摘要 |
PROBLEM TO BE SOLVED: To separate vertical voltage from horizontal voltage and to combine vertical voltage with horizontal voltage with less loss and at a low cost. SOLUTION: A fifth transmission line 8 is connected to a part between points 6a and 7a, in which the difference between a length to sides 2a and 4a in antenna elements 2 and 4 between a first transmission line 6 and a second transmission line 7 and a length to sides 3a and 5a in the other antenna elements 3 and 5 becomes 1/2 of a wavelength. A sixth transmission line 11 is connected to a part between points 9a and 10a, in which the difference between the length to the sides 2b and 3b of the antenna elements 2 and 3, and that between the length to the sides 4b and 5b of the other antenna elements 4 and 5 becomes 1/2 of the wavelength. Voltage, based on a radio wave which is vertically polarized, is outputted from the intermediate position 8a of the fifth transmission line 8 and voltage based on the radio wave, which is horizontally polarized, is outputted from the intermediate position 11a of the sixth transmission line 11.
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