Patent ID: 9478859
Filing Date: 2016-10-25
CPC Classification: H01Q

Claim Text:
1. A multi-band printed circuit antenna for radio frequency (RF) and having: a feedline region and a radiation region, the feedline region having an upper trace plane and a ground plane separated by a dielectric; said feedline region having a feedline conductor carrying RF in at least one of a lowband (LB) frequency which is lower than a highband-low (HB-L) frequency, and an highband-upper (HB-U) frequency which is higher than said HB-L frequency; said feedline region having a first feedline conductor coupled to a HB-U radiating structure formed by the sequence of a first segment, a second segment perpendicular to said first segment, and a third segment parallel to said first segment, said HB-U radiating structure also having a stub extending from said first segment for coupling RF at other frequencies; said first segment and said stub coupling said HB-L RF and said LB RF across a gap to a fourth segment parallel to said first segment, said fourth segment coupled, in sequence, to a fifth segment LB radiator perpendicular to said first segment, a fifth segment common radiator formed by extension of said fifth segment LB radiator, and a sixth segment terminating into a grounded reference, said sixth segment parallel to said first segment, said fourth segment, said fifth segment LB radiator, said fifth segment common radiator and said sixth segment forming a LB radiating structure for LB RF; the intersection of said fifth segment common radiator and said fifth segment LB radiator coupled to a bridge, said bridge coupled to a seventh segment HB-L radiator perpendicular to said first segment and an eighth segment HB-L radiator parallel to said first segment; an HB-L RF radiation structure formed by said sixth segment, said fifth segment common radiator, said bridge, said seventh segment HB-L radiator, and said eighth segment HB-L radiator; an LF inductive structure formed by the sequence of a seventh segment inductive extending from said seventh segment HB-L radiator and from said bridge, said seventh segment inductive having an opposite end coupled to a ninth segment, and a tenth segment terminating in the intersection of said fourth segment and said fifth segment LB radiator, said ninth segment and said tenth segments perpendicular to said first segment; where said first segment, said second segment, said third segment, said fourth segment, said fifth segment common radiator, said fifth segment LB radiator, said sixth segment, said seventh segment inductive, said seventh segment HB-L radiator, said eighth segment, said ninth segment, and said tenth segment are rectangular in shape.