Appeal No. 96-2953
Application 08/258,565
detectors as the movable body moves”.
It is agreed that a condensing lens is a well
known device but the Examiner has utilized
hindsight based on the present
specification to reach the conclusion that
the use of a condensing means would help
make the measurements for position more
accurate since such a conclusion is neither
taught nor suggested in any of the cited
references. (Brief at page 18.)
Looking at claim 16 we see the claimed condensing
lens recited as “a first condenser which is attached to the
movable body, said first condenser condensing the collimated
beam;”.
17
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