US Patent 7903039 Broadband multi-loop antenna for mobile communication device

A broadband multi-signal loop antenna in a mobile communication device such as a cellular phone having a chassis is disclosed. The antenna includes a conductor assembly electrically connected to the chassis and including a plurality of loops each starting at a common feed point and ending at respective grounding point; and a member for mounting the conductor assembly thereon. The loop has a grounding point. The ground points are located at different physical positions. The antenna is adapted to operate at multi-band.