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RE: Wanted: a 100 micron pixel

I'm new to the list and looking at wearables with a wireless/telecom
perspective. A while back I was in discussions with a firm that sent data to
a hand-held  "fax viewer". The screen resolution was amazing and the size
was miniature. The company is Reflection Technology out of Waltham, MA. Has
anyone looked at their technology?

On other component subjects - Anyone looking at Memory Sticks from Sony or
Smart Card tool kits? How about mobile message origination (data queries
from a mobile handset into a server) or the concept of wearables as NC's ---
thin clients going back to a fat database? Two-way wireless data makes for
some real interesting solutions, especially since you've already got
millions oriented and carrying cell phones and pagers.  I think much of the
hardware may already reside in wireless?

Bryan Parola
Director, Product Marketing
RTS Wireless

-----Original Message-----
From: Vaughan Pratt [mailto:]
Sent: Friday, April 09, 1999 3:12 PM
To: 
Subject: Wanted: a 100 micron pixel

We're looking for a few good accessories for the Matchbox PC including
small displays, both b/w and color.

Here are some pixel sizes of some displays we've considered, in decreasing
order of size.

	Rex display	330  u   (77 dpi)
	PC110 display	150  u  (170 dpi)  (a Citizen L6481L-FF)
	What we want	100  u  (250 dpi)
	Microdisplay	15.7 u (1600 dpi)

Any good candidates out there for the hundred-micron ballpark that we're
looking for?

One possibility is to project the Microdisplay onto a small screen,
magnifying it 7x, or more if you want a larger image.  The bulk of such
a projector could be reduced by organizing its optics so that it could
fold up to fit in a pocket.

If the optics were kept separate from the display itself one could have
multiple optical systems, one for viewing the screen through an eyepiece
as a virtual image, HMD/faxview style, another for projecting a real
image onto any handy surface such as a sheet of paper, and so on.

The display itself could be incorporated into the Matchbox PC, so that
even without any optics one could still have a readable 10 character x
5 line display for emergency use.

Vaughan

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