Multiple band printed monopole antenna

Details Multiple band printed monopole antenna Multiple band printed monopole antenna

1998-03-20

2000-08-08

Wong, Don

Communications: radio wave antennas

Antennas

With radio cabinet

343833, H01Q 124

Patent

active

061008486

ABSTRACT:
A printed monopole antenna is disclosed including a printed circuit board having a first side and a second side, a monopole radiating element in the form of a conductive trace formed on one side of the printed circuit board, wherein the conductive trace has an electrical length in which primary resonance occurs within a first specified frequency band, and a parasitic element formed on the opposite side of the printed circuit board, wherein the parasitic element is designed to tune the conductive trace to a secondary resonance within a second specified frequency band. No direct electrical connection between the monopole radiating element and the parasitic element exists, but the coupling between such elements causes the secondary resonance of the radiating element to occur within the second frequency band.

REFERENCES:
patent: 5709832 (1998-01-01), Hayes et al.
patent: 5828342 (1998-10-01), Hayes et al.

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