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RE: IBM Wearable HUD

 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.

 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.

 maybe they are projecting the microdisplay onto a partially reflective
surface so it is actually HUD?

 n@

-----Original Message-----
From: hurley bryan [mailto:]
Sent: Tuesday, December 01, 1998 11:48 AM
To: Wear hard,
Subject: IBM Wearable HUD

Anybody have a thought on how the HUD on the IBM wearable works?

I am assuming that it uses the same principles behind the MicroOptical
display, since their seem to be no optics thicker than maybe a quarter
inch. So the display is next to the head and it gets piped out, bending
light and such, like MicroOptical. I would make sense.

I would assume the MicroOptical would be able to do a similiar form
factor, just using the light pathways, and not an entire pair of glasses.

Bryan

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