Appeal No. 2004-1069 Page 4
Application No. 09/569,616
927 F.2d 1565, 1576, 18 USPQ2d 1001, 1010 (Fed. Cir. 1991). When the claimed
invention is not identically disclosed in a reference, and instead requires picking and
choosing among a number of different options disclosed by the reference, then the
reference does not anticipate. Thus, the invention must have been known to the art in
the detail of the claim; that is, all of the elements and limitations of the claim must be
shown in a single prior reference, arranged as in the claim. See Karsten Mfg. Corp. v.
Cleveland Gulf Co., 242 F.3d 1376, 1383, 58 USPQ2d 1286, 1291 (Fed. Cir. 2001);
Akzo N.V. v. International Trade Commission, 808 F.2d 1471, 1480, 1 USPQ2d 1241,
1245-46 (Fed. Cir. 1986), cert. denied, 107 S.Ct. 2490 (1987); In re Arkley, 455 F.2d
586, 587-88, 172 USPQ 524, 526 (CCPA 1972).
Claim 1, the only independent claim on appeal, reads as follows:
Input and display device provided with an output screen and means for
determining a position of a pointing device relative to a position at the output
screen, said means for determining comprising elongated radiation sources
along two substantially nonparallel sides of the output screen for radiating
radiation in beams to opposing sides of the output screen, which beams are
substantially parallel to a surface of the output screen characterized in that a
lighting system for the output screen is provided, which lighting system
comprises a substantially flat light guide and in that the elongated radiation
sources comprise means stretching along two substantially non-parallel end
sides of the flat light guide for coupling radiation into the flat light guide, which
means for coupling radiation into the flat light guide have radiation output
windows with tangential dimensions (E) larger than a thickness dimension (D) of
the flat light guide, which tangential dimensions (E) are in a direction
substantially orthogonal to a surface of the flat light guide, which surface of the
flat light guide is substantially parallel to the surface of the output screen, and
which means for coupling radiation into the flat light guide protrude above an
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