US 2017/0324138 A1 · DUALBAND FLEXIBLE ANTENNA WITH SEGMENTED SURFACE TREATMENT

Abstract

An antenna structure including a dual-band WiFi CPW antenna formed on a dielectric substrate and a frequency selective impedance surface formed on the substrate and at least partially surrounding the antenna. The antenna includes a ground plane defining a gap and an antenna radiating element including a radiating portion positioned proximate to the ground plane and a feed line extending into the gap. The frequency selective impedance surface can be a ring that is configured around the radiating portion of the radiating element, where the frequency selective impedance ring receives surface waves propagating along the dielectric substrate generated by the antenna.

Claims21

Dependent claims

An antenna structure comprising:

a dielectric substrate;
a co-planar waveguide (CPW) antenna formed on a surface of the substrate, said antenna including a ground plane defining a gap, said antenna further including an antenna radiating element including a radiating portion positioned proximate to the ground plane and a feed line extending into the gap;
and
a frequency selective impedance ring formed on the surface of the substrate and being configured around the radiating portion of the radiating element, said frequency selective impedance ring receiving surface waves propagating along the dielectric substrate generated by the antenna.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

15/348,470Filed 10 Nov 2016

Priority

6 May 2016

Published

9 Nov 2017

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

H01Q 1/1271
Supports; Mounting means: for mounting on windscreens
H01Q 1/3291
Characterised by the location of the antenna on the vehicle: mounted in or on other locations inside the vehicle or vehicle body
H01Q 5/328
Using frequency dependent circuits or components, e.g. trap circuits or capacitors: between a radiating element and ground
H01Q 5/371
Creating multiple current paths: branching current paths

Dualband flexible antenna with segmented surface treatment

Life of this patent

Dualband flexible antenna with segmented surface treatment

Life of this patent

Abstract

Claims21