Multiband planar antenna

Details Multiband planar antenna Multiband planar antenna

2006-12-19

2006-12-19

Wimer, Michael C. (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S770000, C343S833000

Reexamination Certificate

active

07151491

ABSTRACT:
The invention concerns a planar broadband patch antenna, in particular for transmitting and/or receiving digital and/or analogue terrestrial television UHF/SHF signals, having a bandwidth low frequency tuned reflector and a radiator connected to a specific power supply and radiating in a frequency F1. The radiator also has a slot tuned to a frequency F2. The antenna is characterized in that the radiator has another slot tuned to a frequency F3different from frequencies F1and F2, the slots being connected through a linking slot designed to constitute a coupling line to provide a substantially identical electromagnetic current at each of the slots of frequency F2, F3, respectively.

REFERENCES:
patent: 4692769 (1987-09-01), Gegan

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