Appeal No. 96-3637
Application No. 08/248,123
used, in combination with a frame buffer 90 and various
control arrangements for selecting which portion of the actual
record the viewer wishes to consider. Such variation can be
imparted to the system by the joystick control 92, or the use
of the video glasses 99 which are responsive to the head
movement of the user.
Lewis discloses a helmet display device which
comprises a flux gate compass as a position-orientation sensor
for sensing the direction that the user is looking.
Opinion
We are of the opinion that the rejections should not
be sustained.
The examiner recognizes that Smith discloses but one
frame buffer (memory) for storing a sequence of frames, and
admits that Smith does not teach circuitry for storing a
second portion of a sequence of frames in a second memory.
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