Appeal No. 96-1472
Application No. 08/287,070
a shutter disposed to interrupt a portion of said light,
said shutter comprising an array of shutter elements, each
element having a unique address, further wherein each element
has a transparent state in which light from said light source
is transmitted and an opaque state in which light from said
light source is blocked; and
shutter drive circuit means coupled to said shutter
elements for controlling the state of each of said shutter
elements so as to provide a scanning light beam as an output
of said shutter.
The references relied on by the examiner are:
Cooreman 3,613,066 Oct. 12,
1971
Okisu et al. (Okisu) 5,159,187 Oct. 27,
1992
Claims 1 through 10, 12 and 15 through 27 stand rejected
under 35 U.S.C. § 103 as being unpatentable over Cooreman in
view of Okisu.
Reference is made to the briefs and the answer for the
respective positions of the appellants and the examiner.
OPINION
The obviousness rejection is reversed.
Cooreman discloses an input device in which the surface
of table 1 is scanned with two monochromatic light beams
produced by a laser light source 3. The two light beams are
"very thin and of practically negligible divergency" (column
3
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