Patent ID: 8279125
Filing Date: 2012-10-02
Classification: H01Q,Y10T

Abstract:
1. A circular polarized antenna, comprising: a monopole antenna; a ground plane; and a slot antenna formed through a slot disposed between the monopole antenna and the ground plane; wherein the monopole antenna is one of vertically polarized or horizontally polarized and the slot antenna is one of vertically polarized or horizontally polarized opposite from the monopole antenna thereby combined in a single antenna to provide the circular polarized antenna; wherein the slot comprises a first slot, a second slot, and a third slot; wherein the slot comprises a U shape with the first slot open at one end and connected to the second slot at another end, the second slot connected to the first slot at one end and the third slot at another end, and the third slot connected to the second slot at one end and open at another end.