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Technology Stocks : THREE FIVE SYSTEM (TFS) - up from here? -- Ignore unavailable to you. Want to Upgrade?

To: bythepark who wrote (854)	1/25/1998 12:50:00 AM
From: Jim Armstrong	Read Replies (2) \| Respond to of 3247

You know, at the outset, this sounds kinda neat. But when it speaks of a "lens and mirror" and a 1/2" display size, it's basically talking about the same optical components as any of the developers of light-weight head-mounted displays. However, where this article speaks of attaching the modules to the person's own glasses, most if not all the others are putting the optical components into their own headwear. A couple of things come to mind. If you are a glass wearer, you know that even small amounts of additional weight on the glasses makes them uncomfortable, especially at the nose pads. That's the reason that most folks are mounting the optical modules on their own specially-designed headband. There is also the problem of dealing with the wire attachments to the modules, keeping the out of harm's way and out of the wearer's way. Finally, there is the problem of keeping temporarily-attached modules securely mounted and keeping them from damaging the wearer's glasses (scratches and such). There are several folks developing display for just this purpose, and they are very beneficial. They'll get better as the resolution gets better (not the case with the present Sony units). I think the preferred forms will be the headband implementations. In the unlikely (I think) event a surgeon would like them mounted on his own glasses, I would guess they would be affixed in a permanent way, like the magnifiers cemented to the glasses of those who practice microsurgery. That's getting pretty close to what the others are doing. As an aside, these head-mounted displays are emerging as a GREAT adjunct to any type of surgery performed with the assistance of an imaging device on a surgical instrument because they allow the surgeon to keep his head/eyes directed at the patient and surgical site, instead of constantly looking up or even over his shoulder to view vital signs and camera images. JimA