CONDUCTIVE PATTERN ANTENNA

摘要

PROBLEM TO BE SOLVED: To provide a conductive pattern antenna which improves radiation efficiency of electromagnetic waves without requiring a large ground plane and without centralizing a coil at one part.SOLUTION: The conductive pattern antenna comprises: differential feeding points 10 and 20 formed in both ends of a substrate 1 for supplying power to the antenna; conductive patterns 11 and 21 connected to the differential feeding points 10 and 20 and extending from near substrate edges in both the ends of the substrate 1 and closer to a center of the substrate 1 in a length direction of both the ends; first through-holes 12 and 22 provided in front ends of the conductive patterns 11 and 21 and penetrating to a rear side of the substrate 1; rear-side conductive patterns 13 and 23 extending from rear sides of the first through-holes 12 and 22 reversely to the conductive patterns 11 and 21; second through-holes 14 and 24 provided in front ends of the rear-side conductive patterns 13 and 23 and penetrating to a front side of the substrate 1; and front-side conductive patterns 15 and 25 extending from front sides of the second through-holes 14 and 24 in the same direction as the conductive patterns.SELECTED DRAWING: Figure 1