Appeal No. 2000-0957
Application 06/344,455
display requires some manipulation of the display, as in the
case of the present invention" (Br14-15). The method
limitation of "using the display" is broad and does not
recite any particular steps of how the display is used. The
claims broadly encompass use of the display and its
graticules by a human.
Appellants also argue (Br15): "[T]he requirement that
the selected target be in the same vertical plane as the
transmitting and receiving antennas makes the Harris system
essentially nonfunctional for accurately determining slant
range and altitude even by viewing, since such requirement
will almost never be met in actual usage of the system."
The Examiner responds that this argument is "of no moment
since the accuracy of the system is not claimed" (EA3).
What the Examiner really means to say is that claims 1
and 16 do not require determination of a slant range S and
an altitude H to a target that is not located on a plane
between the transmitter and receiver. In any case, Harris
discloses that the target could have a z coordinate, but it
is assumed for the analysis that the antenna scans in the
x-y plane only (col. 5, lines 54-57). Thus, Harris teaches
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