Re: [CAD_CAM_EDM_DRO] Laser DRO ??

On Mon Apr 1 17:21:47 2002, baccus61, <rich5886@...> wrote:

>Hi gang,
> I have been reading with interest all the posts on the digital
>readouts and just had a thought. Has anyone thought of using the
>laser mouse for a cheap DRO? These work on almost any surface and
>seem to have a fair resolution but would the resolution be great
>enough for the task at hand! I have one pulled apart that was fried
>in a power surge (along with the rest of my computer) and there
>isn't much to it.
>Just a thought and what do you all think?
>Rich.

Two things; Speed and resolution are working against it. That's not a laser
problem, but a sensor problem. Last I heard, there's no sensor diodes, or
transistors, etc., that are up to doing the speed needed for super high
resolution, and the resolution itself returns less and less signal strength, the
tighter the resolution gets. From what I see from time to time, that's
something that continues to improve, but needs more work to catch up.

Now that's not to say that lasers/sensors ar unusable for our purposes, they
patently are. However, buy mouse crap, get mouse crap.....:-)

Bill

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