> not sure which description of the ibm wearable you're referring to (i may >not have seen them all), but i believe the prototype shown in japan was not >heads-up, it was an occlusional HMD. see >http://www.watch.impress.co.jp/pc/docs/article/980911/ibm_7.jpg. A display in front of one eye IS a HUD for most people (heads-up display). Because the visual cortex "shares" the images between each eye, a one-eyed occlusive display appears to overlay the graphics/text on the physical world. Exceptions are, of course, people with only one functional eye or some "stray" eyes. The distinction is between "see-through" and "see-around" displays (terms I never liked). Some people call them transmissive vs. occlusive, but I'm not sure that's better. Hmm, maybe "transmissive" vs. "fused-image" is better. > i have seen reference to the display being a microdisplay, like >displaytech's LightCaster, http://www.displaytech.com/panels.html, or >kopin's CyberDisplay, http://www.kopin.com/html/description.html, or like >the trust LiquidImage M1 for that matter. Microdisplay is the name of a company by Phil Alvelda. The IBM display uses the Kopin Cyberdisplay panel. Most of the displays you mention are most commonly used in "fused image" mode ;-) In most instances I actually prefer this for the better brightness and less cognitive load, though most people seem to think transmissive is the only way to go when they first hear about portable HUDs. Thad Starner Georgia Tech/MIT Media Laboratory Wearable Computing Project -- Subcription/unsubscription/info requests: send e-mail with subject of "subscribe", "unsubscribe", or "info" toWear-Hard Mailing List Archive (searchable): http://wearables.ml.org
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