Patent ID: 9711857
Date: 2017-07-18
CPC Classifications: H01Q

Claim:
1. A multi-band antenna comprising: a substrate having at least one conductive layer; said at least one conductive layer comprising a ground section; a first radiating element, a first feed element connected to said first radiating element and a first ground return element connected to said first radiating element and said ground section, said first radiating element and said first feed element being offset transversally from the ground section, said first radiating element, said first feed element and said first ground return element being arranged to form a first antenna resonating in a first frequency band, a second radiating element, a second feed element connected to said second radiating element and a second ground return element connected to said second radiating element and said first ground return element, and said ground section, said second radiating element, said second feed element and said second ground return element are arranged to form a second antenna resonating in a second frequency band; the length L a third conductive layer of the substrate arranged between first and second conductive layers, said third conductive layer comprising a third radiating element, a third feed element connected to said third radiating element and a third ground return element connected to said third radiating element and said ground section, the length L