Appeal No. 96-2546
Application No. 08/001,825
claims 1-15, all of the claims pending in the present
application. An amendment after final rejection was filed
February 6, 1995 and was entered by the Examiner.
The claimed invention relates to an apparatus and a
method for detecting the direction of propagation in which an
electromagnetic wave is traveling along a metallic surface.
Claim 1 is illustrative of the invention and reads as
follows:
1. A surface wave directional detection system for
determining the direction in which an electromagnetic wave
propagating along a metallic surface is travelling,
comprising:
at least a first loop probe disposed in close proximity
to the metallic surface;
at least a second loop probe disposed in close proximity
to the metallic surface and spaced apart from the first loop
probe a first predetermined distance, wherein an
electromagnetic wave travelling along the metallic surface
induces a signal in the first and second loop probes;
a transmission line having a first probe connection point
and a second probe connection point, the first and second loop
probes being electrically coupled to the transmission line at
the first probe connection point and the second probe
connection point, respectively, the first probe connection
point and the second probe connection point being separated by
a second predetermined distance;
at least a portion of the signal induced in the first
loop probe being transmitted on the transmission line from the
first probe connection point to the second probe connection
2
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