Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate
2007-07-31
2007-07-31
Pascal, Robert (Department: 2817)
Wave transmission lines and networks
Plural channel systems
Having branched circuits
C333S126000, C333S129000
Reexamination Certificate
active
11026832
ABSTRACT:
A dual band full duplex mobile radio is provided that includes a transmit portion including a dual band filter and a receive portion including a dual band filter. The dual band full duplex mobile radio further includes a circulator connecting the transmit portion and the receive portion and configured to provide transmit and receive switching.
REFERENCES:
patent: 4951060 (1990-08-01), Cohn
patent: 6163237 (2000-12-01), Toda et al.
patent: 6643522 (2003-11-01), Young
patent: 6993286 (2006-01-01), Zhen et al.
patent: 6993356 (2006-01-01), Herzinger
patent: WO98010525 (1998-03-01), None
Greenwood, Jr. John Alan
Justin, Jr. Brian Douglas
Layne Dennis Ray
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