Patent ID: 8681060

Claim:
A multiband antenna, comprising: an antenna element section which is fed from a feeding point; and a ground element section which is connected to a ground of the feeding point; wherein the antenna element section includes: a pole element which includes the feeding point, and has a length at which the pole element resonates at a first frequency; an L-shaped folded-back element which is connected to an end of the pole element, and resonates at a second frequency together with the pole element; and an L-shaped added element which is connected to the pole element; wherein a length from the feeding point to an end of the added element is a length at which the added element resonates at the first frequency; wherein the ground element section includes a rectangular ground element; and wherein the ground element includes a side having a length at which the ground element resonates at the first frequency, and a side having a length at which the ground element resonates at the second frequency.