Appeal No. 2001-0338
Application No. 08/932,953
liquid crystal. See column 7, lines 3-10. Tonosaki teaches that
after the liquid crystal display is determined to be placed in a
power saving mode because the viewer is sleeping, the power to
the liquid crystal display is lowered thus saving the dissipating
power. See column 7, lines 10-17. One of ordinary skill in the
art would readily understand that Tonosaki is teaching varying
the power to the liquid crystal display such that the liquid
crystal display would go from a full display intensity to fading
to black. Therefore, we find that Tonosaki teaches "a control
for changing intensity of said display" as recited in Appellants'
claim 5.
Appellants further argue that Tonosaki does not teach or
suggest Appellants' "changing intensity . . . based on . . . said
signal [indicating where a user's eyes are looking]" because
Tonosaki only teaches the use of a signal indicating whether the
users eyes are open. See pages 7 and 8 of the brief.
We note that Appellants' claim 5 recites
"an eyetracker providing a signal indicating where a
user's eyes are looking to said processor; and a
control for changing intensity of said display based on
said signal."
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