Appeal No. 1999-0864 Page 12
Application No. 08/757,550
image according to the sensed light quantity or brightness.”
Analogously, claim 33 specifies in pertinent part the
following limitations: “the varying includes changing a color-
tone of the environmental image according to the sensed light
quantity or brightness.” Accordingly, claims 5, 26, and 33
require, inter alia, varying a color-tone of the environmental
image.
The examiner fails to show a teaching or suggestion of
the limitations in the prior art of record. “Obviousness may
not be established using hindsight or in view of the teachings
or suggestions of the inventor.” Para-Ordnance Mfg. v. SGS
Importers Int’l, 73 F.3d 1085, 1087, 37 USPQ2d 1237, 1239
(Fed. Cir. 1995)(citing W.L. Gore & Assocs., Inc. v. Garlock,
Inc., 721 F.2d 1540, 1551, 1553, 220 USPQ 303, 311, 312-13
(Fed. Cir. 1983)). “It is impermissible to use the claimed
invention as an instruction manual or ‘template’ to piece
together the teachings of the prior art so that the claimed
invention is rendered obvious.” In re Fritch, 972 F.2d 1260,
1266, 23 USPQ2d 1780, 1784 (Fed. Cir. 1992) (citing In re
Gorman, 933 F.2d 982, 987, 18 USPQ2d 1885, 1888 (Fed. Cir.
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