Appeal No. 1997-0897
Application No. 08/227,992 Page 14
object lying at various distances from the camera (col. 1, lines
15-18, and col. 3, lines 58-65), picture carrier 13 is adjusted
longitudinally by a distance )S (figure 1) and the picture
carrier 13 and/or lens carrier 11 is swung at an angle alpha (")
(figures 2 and 3). Because the admitted prior art is directed to
a line reader, and Koch is directed to a camera which reads an
entire image and is not directed to correcting manufacturing
defects in the frame of a line reader, we find that one of
ordinary skill in the art would not have been motivated to
combine the teachings of the admitted prior art and Koch.
Assuming arguendo that one of ordinary skill was motivated to
combine the teachings of the admitted prior art and Koch, the
claims would still not be met because neither reference teaches
changing the thickness of a transparent cover. In Koch, the
picture carrier 13 and/or the lens carrier may be adjusted in a
longitudinal or angular fashion, but there is no teaching of
changing the thickness of the transparent covering of the
admitted prior art above the frame, along the light receiving
axis, to change the focal length. In addition, with respect to
claims 14 and 25, while we agree with the examiner (answer, page
6) that chamfers are known to be used to reduce the risk of
injury to a user, we find no suggestion of providing top and
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