Planar antenna

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H - Electricity

01

Q

H01Q 9/04 (2006.01) H01Q 1/12 (2006.01) H01Q 1/32 (2006.01) H01Q 1/36 (2006.01) H01Q 7/00 (2006.01) H01Q 9/28 (2006.01) H01Q 19/10 (2006.01)

Patent

CA 2489262

There are disposed first coupling conductors, which comprise a pair of coupling branch lines 1 and 2 connected to the first antenna conductor 3 and extend inward from the first antenna conductor. The coupling branch lines 1 and 2 have open ends 1a and 2a disposed so as to be adjacent to each other and be capacitively coupled to each other. The open ends 1a and 2a of the coupling branch lines 1 and 2 are located at closest or substantially closest portions to each other. The second antenna conductor 13 includes second coupling conductors, which comprise a pair of coupling branch lines 11 and 12 connected the second antenna conductor 13 and extending inward from the second antenna conductor. The coupling branch lines 11 and 12 have open ends disposed so as to be adjacent to each other and be capacitively coupled to each other. The open ends of the coupling branch lines 11 and 12 are located at closest or substantially closest portions to each other.

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