Appeal No. 2000-1965
Application 09/149,616
from electromagnetic radiation." The ultraviolet light source 3
has a wavelength of 280 (nanometers) nm to 400 nm, i.e.,
2800-4000 Å, so it is a "light source for illuminating said
pattern and a region of said surface adjacent said pattern, said
light source radiating electromagnetic radiation with a
wavelength of less than 4300 Å."
The three differences between Ishii and the subject matter
of claim 1 are: (1) Ishii discloses that a stereoscopic effect is
created by the difference in light and tone (col. 3, lines 1-4 &
54-55), but does not disclose "providing a viewer with
stereoscopic lenses that selectively diffract light based on its
wavelength, wherein said portion of said pattern appears to
project away from said surface when viewed through said
stereoscopic lenses"; (2) Ishii discloses that the pictures on
the walls of the passage are drawn with a fluorescent substance
(e.g., col. 2, line 23-29), and thus discloses "forming a pattern
on a surface of the room," but does not expressly disclose "said
pattern comprising at least one portion having a color with a
wavelength greater than approximately 5000 Å"; and (3) Ishii
discloses that the surface of the passage reflects the
ultraviolet rays to achieve a uniform illumination (e.g., col. 3,
lines 34-53; col. 5, lines 13-24) and does not disclose "walls
and floors that are substantially black and reflect substantially
no electromagnetic radiation."
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