Re: Tapping into the group knowledge - DRO

Hello,

Also, these optical mice have no balls...

Ballendo :-)

--- In CAD_CAM_EDM_DRO@y..., "Ward M." <wardmerk@a...> wrote:
> No, because the mouse measures motion with respect to distance. An
inch is
> still an inch, whether measured on a large or small ball surface.
>
> Thanks,
>
> Ward M.
>
> wardmerk@a... <mailto:wardmerk@a...>
>
>
>
> -----Original Message-----
> From: Ian Wright [mailto:Ian@i...]
> Sent: Thursday, June 28, 2001 11:51 PM
> To: CAD_CAM_EDM_DRO@y...
> Subject: Re: [CAD_CAM_EDM_DRO] Tapping into the group knowledge -
DRO
>
>
> Hi Art,
>
> How about changing the mounting of the mouse pc board so you could
use a
> wheel of larger diameter than the mouse ball? Double the diameter
should
> give you double the resolution - no?
>
> Ian
> --
> Ian W. Wright
> Sheffield UK
> www.iw63.freeserve.co.uk
> ----- Original Message -----
> From: "Art Fenerty" <fenerty@h...>
> To: <CAD_CAM_EDM_DRO@y...>
> Sent: 29 June 2001 06:06
> Subject: Re: [CAD_CAM_EDM_DRO] Tapping into the group knowledge -
DRO
>
>
> > Well, I couldn't help myself, I had to check. The optical mouse
IC specs
> are
> > on the below link. It is a 400cpi quadrature encoder which can be
used at
> 12
> > inches per second. Maybe too low a resolution? Mayeb there's a
way to make
> a
> > dual sliding assembly to double its true resolution. Sounds like
a real
> > cheap way to make a pretty good hobby DRO.
> >
> > http://www2.taconuts.com/articles/2000/12/3/hdns2000.pdf
> >
> > Art
> >
> >
> >
> > Addresses:
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> >
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> > bill,
> > List Manager
> >
> >
> >
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http://docs.yahoo.com/info/terms/
> >
> >
> >
>
>
> Addresses:
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>
> Post messages: CAD_CAM_EDM_DRO@y...
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> bill,
> List Manager
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>
>
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