| 摘要 |
PROBLEM TO BE SOLVED: To attain an united antenna for mounting on a vehicle where an effect caused from a leakage return current is prevented, which has a stable directivity, and whose whole antenna is lowered in height and is downsized. SOLUTION: In the united antenna 1 for mounting on the vehicle, a ground plate 7 is composed of a printed substrate. Corresponding to each of a plurality of feeding cables 8, 10, 16, 20 which respectively feed electricity to a plurality of antennas 2-6 having frequency bands different from each other, leakage current prevention portions 21-24 are formed on the ground plate 7 with a stripped line. COPYRIGHT: (C)2009,JPO&INPIT
|
