Appeal No. 1999-1344
Application 08/364,718
coordinate system is fixed in relation to the origin of a head
coordinate system. Specification, page 2. The attitude of the
head is monitored with respect to a selected first coordinate
system such as the body. Specification, page 6, line 32, to
page 7, line 1. The monitors provide sensed signals to a
computer. Specification, page 7. The computer inputs the
signals to perform eye-head coordinate transformations and
provides a tracking or visual axis signal to a control device.
Specification, page 8. The control device produces a signal
that may be used for many purposes including positioning an
image artifact and target acquisition for controlling a
projectile. Specification, page 8.
Appellant's independent claim 1, reproduced below, is
representative of the invention:
1. Apparatus, comprising:
an eye monitor, responsive to an eye direction, for
providing an eye direction signal with respect to an
associated head coordinate system;
a head translatory position monitor, responsive to a
translatory position associated with a head translating with
respect to a reference coordinate system, for providing a head
translatory position signal;
a signal processor, responsive to the eye direction
signal and the head translatory position signal, for providing
3
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