Apparatus and method for reducing the electromagnetic...

Details Apparatus and method for reducing the electromagnetic... Apparatus and method for reducing the electromagnetic...

2007-01-16

2007-01-16

Feild, Joseph (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S575700, C455S575500, C455S097000, C455S129000

Reexamination Certificate

active

10791082

ABSTRACT:
An apparatus for reducing the electromagnetic interference between two or more co-located antennas is described herein. In one embodiment, the apparatus is positioned proximate to a second antenna for intercepting electromagnetic energy radiated from a first antenna during transmission of a signal. To reduce interference at the second antenna, the apparatus includes a plurality of resonant circuit elements, each being configured to resonate at or near a carrier frequency of the transmitted signal for redirecting at least a portion of the electromagnetic energy away from the second antenna. A method for reducing the electromagnetic interference between two or more antennas coupled to a wireless communication device is also disclosed herein.

REFERENCES:
patent: 5978655 (1999-11-01), Ohura et al.
patent: 6137998 (2000-10-01), Holshouser et al.
patent: 6624536 (2003-09-01), Sawada et al.
patent: 6894648 (2005-05-01), Kozakai
patent: 2002/0000937 (2002-01-01), Kozakai
patent: 2005/0041624 (2005-02-01), Hui et al.

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