Appeal No. 97-3467
Application 08/279,748
is zero. With respect to the angle ", which is defined in claim
1 as "the incident angle of a drawing beam upon the reflecting
surface of the deflecting mirror in a sub-scanning direction
normal to said main scanning direction," the examiner stated
(answer at 3): "As seen in Morimoto’s Figures 5 and 6, the
correcting deflecting element is used to provide such an angular
incidence." No explanation is made for this observation and a
zero angle for " is not self-apparent from Figures 5 and 6. We
find that the examiner
has not shown how Figures 5 and 6 of Morimoto discloses that the
angle of incidence of the drawing beam on the reflecting surface
is zero.
The examiner also further erroneously determined that in
Morimoto the angle o is zero. The angle o is defined in claim
1 as "the angle of a line normal to the reflecting surface of
the deflecting mirror with respect to a bisector of the optical
axis of the scanning optical system and the axis of an incident
beam." That is the same definition as set forth on pages 4 and
19 of the appellant’s specification. As is illustrated in
Figure 9 of the specification, the angle o is really a variable,
8
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