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Re: SV: HMDs

----- Original Message -----
From: Charles J Knight <>
To: <>
Cc: <>
Sent: 07 August 1999 05:47
Subject: Re: SV: HMDs

> > WRT the Nipkov disc television, I built one of these last term at a
> > friend's
> > suggestion.  See http://www.media.mit.edu/~rehmi/rotoscope/ for a
> >
> > -Rehmi
>
> Here's a thought.  Rather than a rotating disk, which allows only a
> very small viewing area, even with a fairly large disk, why not redesign
> it as a cylinder?
>
> If I understand the base technology correctly, each scan line is drawn
> by a single perforation as it scans across the field of view -- should be
>
> simple enough to mark it out on a cylinder (or endless loop tape) in
> order
> to manage *straight* scan lines and possibly a reduced size.  (or
> "folded"
> tape)
>
>      -- Chuck Knight

I would think the cylinder would be better than a tape, since theres no need
for spooling, etc. Wouldn't the image be distorted though?
A nice point about this display is it will probably lead to the cheapest
colour display possible: just use one of those RGB LEDs.

A fell a good solution would be to use a square, and then move it back and
forth sideways with a linear actuator.

Wouldn't a better solution for generating the disc be to print out on laser
transparencies?

 Atoms has finally been released!
www.doldev.freeserve.co.uk


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