Communications: directive radio wave systems and devices (e.g. – Determining distance – Combined with determining direction
Reexamination Certificate
2006-01-12
2009-08-04
Alsomiri, Isam (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Determining distance
Combined with determining direction
C342S175000, C342S196000
Reexamination Certificate
active
07570200
ABSTRACT:
In the invention, a four-port junction (10) has a port (12) connected to an RF signal source (14). The four-port junction (10) also has an antenna port (16) coupled to a combined transmit/receive antenna (18). Two ports (20, 22) of the four-port junction (10) develop output power that is applied to an analogue-to-digital converter (24), that is in turn coupled to a central processor (26), that is in turn coupled to a user interface (28).
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Alsomiri Isam
BAE Systems Information and Electronic Systems Integration Inc.
Long Daniel J.
Tendler Robert K.
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