H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 9/06 (2006.01) H01Q 1/36 (2006.01) H01Q 9/04 (2006.01) H01Q 21/06 (2006.01)
Patent
CA 2167359
A planar antenna apparatus adapted to excite a small radiating element by electromagnetic coupling is provided. The antenna apparatus has a triplate line including ground conductor plates formed on the upper and lower surfaces of a dielectric substrate and a feed line sandwiched by the ground conductor plates. A coupling hole is formed through one of the ground conductor plates, and a mechanism is provided near the coupling hole for electrically interconnecting the two ground conductor plates. A radiating section coupled to the feed line through the coupling hole has one end grounded to form a short patch antenna. The short patch antenna has a size substantially half the size of a patch antenna. Also, the connecting mechanism prevents unnecessary coupling.
Isota Yoji
Konishi Yoshihiko
Matsunaga Makoto
Nakahara Shintaro
Ohtsuka Masataka
Mitsubishi Denki Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
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