> > 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. One thing: the training was for *any* eye, not just a "deformed" one. It's like speech recognition--everyone is different. > > > > Really neat, and it worked really well. Prohibitively expensive, though, > > when it was released around 1990. > > It wasn't/isn't so expensive. The retail difference in price between the same model with and without is less than $100--and that's retail. > > -- Chuck Knight > > Paul Archer PS. Hate to pick, but I used to own and sell Canon cameras... 8-) _______________________________________________________________ "Can't you recognize bullshit? Don't you think it would be a useful item to add to your intellectual toolkits to be capable of saying, when a ton of wet steaming bullshit lands on your your head, 'My goodness, this appears to be bullshit'? _____________Neal Stephenson, "Cryptonomicon"__________________ -- Subcription/unsubscription/info requests: send e-mail with subject of "subscribe", "unsubscribe", or "info" toWear-Hard Mailing List Archive (searchable): http://wearables.blu.org
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