Dual dipole antenna with isolation circuit

Details Dual dipole antenna with isolation circuit Dual dipole antenna with isolation circuit

2006-05-30

2006-05-30

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

Active sleeve surrounds feed line

79

Reexamination Certificate

active

07053851

ABSTRACT:
A multiband antenna has a dipole radiator that resonates in a lower frequency band, and a stacked dual dipole radiator that resonates in a higher frequency band. An isolation circuit, tuned to block signals in the higher frequency band, is connected between one end of the stacked dual dipole radiator and the lower frequency dipole radiator to isolate the higher frequency band from the lower frequency band.

REFERENCES:
patent: 3961331 (1976-06-01), Campbell
patent: 4479130 (1984-10-01), Snyder
patent: 5969690 (1999-10-01), Yamabayashi et al.
patent: 6078295 (2000-06-01), Rawle
patent: 6552692 (2003-04-01), Zeilinger et al.
patent: 6771227 (2004-08-01), Tsai et al.
patent: 6809697 (2004-10-01), Churng-Jou et al.

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