>Sorry, don't know about that, but I've heard about some controller
>using the
>contraction of eye muscles to control the pointer.
>Maybe someone knows more about that...
There's another one that Canon made for their EOS system of cameras,
which allows the motion of the eye to control the autofocus -- look at a
spot on the ground glass and it focuses on that object.
It worked by bouncing an IR beam off the back of the eye, and then
calculating which sensor would receive the reflected beam. There was
a training mode for people without "proper" eyesight, i.e. their eyeball
was physically deformed.
Really neat, and it worked really well. Prohibitively expensive, though,
when it was released around 1990.
-- Chuck Knight
P.S. I think one of their camcorders has it built in, too.
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