Patent ID: 8207899
Filing Date: 2012-06-26
Classification: H01Q

Abstract:
1. A loop-structured antenna device comprising: a pair of first element sections that extend approximately parallel to a base plate, a first end portion of one first element section being connected to a feed point, and a first end portion of another first element section being connected to a ground; a second element section including a folded-back section connecting a pair of turned-up sections, one turned-up section connecting a first end portion of the folded-back section to a second end portion of the one first element section, and another turned-up section connecting a second end portion of the folded-back section to a second end of the another first element section, the folded-back section being approximately parallel to the first element sections; and a third element section that extends from an edge portion of the folded-back section folded toward the first element sections.