Patent ID: 9059499
Filing Date: 2015-06-16
Classification: H01Q

Abstract:
1. An antenna apparatus connected to a feed terminal, the apparatus comprising: a first antenna element including a first end connected to the feed terminal, and a second end open, the first antenna element including a first section, a second section and a third section, the first section being from the first end to a first point, the second section being from the first point to a second point, and the third section being from the second point to the second end, and an element length from the feed terminal to the second end being substantially ¼ of a wavelength corresponding to a first frequency; a second antenna element including a first end connected to the first point on the first antenna element, and a second end open, at least part of the second antenna element being parallel to at least part of the first antenna element, an element length from the feed terminal to the second end of the second antenna element being substantially ¼ of a wavelength corresponding to a second frequency; and a third antenna element including a first end connected to the second point on the first antenna element, and a second end open, one of the second antenna element and the third antenna element being located between the first antenna element and an other one of the second antenna element and the third antenna element.