Appeal No. 2001-0338
Application No. 08/932,953
art has failed to adequately address the need for controlling
power consumption. In particular, power is certainly wasted if
no one is looking at the display. See page 3 of Appellants'
specification.
The invention is directed to a display which includes
controls that gradually reduce the intensity when the user looks
away from the display. See page 5 of Appellants' specification.
Figure 2A is an illustration of a computer which is selectively
battery powered. An eyetracker sensor is 230 positioned so as to
be able to view the user's eyes. Figure 2B is a block diagram of
the internal hardware of the computer of Figure 2A. See page 12
of Appellants' specification. An eyetracker 290 is interfaced to
the bus over the interface 289 and provides information for
control of the power. See page 13 of Appellants' specification.
A separate control line 276 is shown between the display
interface 275 and the display 220. This line is utilized to
control the intensity of illumination of images on the surface of
the display. It effectively serves as a power control for the
display device. See page 14 of Appellants' specification.
Figure 6 is a flow chart of a power control process. The
eyetracker outputs are processed to distinguish four conditions,
one condition is whether the eyes of the user move off the
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