Apparatus and method to increase isolation between separate...

Details Apparatus and method to increase isolation between separate... Apparatus and method to increase isolation between separate...

2006-09-05

2006-09-05

Dinh, Trinh Vo (Department: 2821)

Communications: radio wave antennas

Antennas

Plural antennas

C343S913000, C343S853000, C343S793000, C343S810000

Reexamination Certificate

active

07102589

ABSTRACT:
A system for increasing isolation between analog and digital antennas suited for FM IBOC operations is provided, wherein an interleaved combination of dissimilar antennas are arrayed with an offset there between to obtain a desired performance the use of dissimilar antennas and an offset, several additional degrees of freedom are afforded to the broadcaster in obtaining the desired isolation between signals, and also for upgrading an existing analog system to IBOC capability.

REFERENCES:
patent: 6914579 (2005-07-01), Schadler
patent: 2004/0189540 (2004-09-01), Schadler
patent: 2005/0068244 (2005-03-01), Downs et al.
patent: 2005/0146482 (2005-07-01), Schadler
patent: 2005/0219143 (2005-10-01), Schadler et al.

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