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Sure. They come with a hub which will precisely clamp on the
motor's rear shaft. These are the ones designed to be mounted under
cover on the rear of the motor -- and some motors come with encoders of
whatever resolution already built on and enclosed -- like the Heidihan
sine-wave output ones which were on Iggy's motors as they came.
Actually there are laws that prevent much better if that good.
I remember when the first non-IBM color came out. It was experimental
and expensive. The Treasury / FBI visited, tested it and made them
tune it off just a tad to pass their test. It was technically perfect
from a very high tech group of designers. It was to good.
It is the rules - must be just a little wrong.
One of the reasons we catch so many copy machine money makers.
Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
"Our Republic and the Press will Rise or Fall Together": Joseph Pulitzer
TSRA: Endowed; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal.
NRA Second Amendment Task Force Charter Charter Founder
IHMSA and NRA Metallic Silhouette maker & member. http://lufk> Karl Townsend wrote:
I don't believe it. Got any references?
Perhaps you are thinking of the color laser yellow dots
forensic watermarking technique used in many color lasers.
Apparently there are no US laws as such about this, but it is
true that printer makers usually make their color lasers print
a scattering of otherwise superfluous yellow dots that
specifically identify which printer printed a page. In the
main this doesn't compromise dimensional accuracy or other
explains the problem and
has links to a dozen other articles, with titles such as "Laser
Printers Reveal Your Identity Through Dots", "Instructables.com
tutorial demonstrating how to view printer dots", "EU: Printer
Tracking Dots May Violate Human Rights", and "List of Printers
Which Do or Do Not Display Tracking Dots".
Laser printers can produce accurate and very
useful images. Years ago I built a device for
aligning optical read heads. It used a laser-
printed pattern revolving on a drum. We *knew*
the inherit limitations of paper and intended
to get the final pattern photoplotted on Mylar,
but the paper pattern, printed on high quality
card stock was accurate enough (a couple thousands
over 1" and a few thousands over 8") and had
much better contrast so we ended up using it.
That was with an old Laserjet II. All bets are
off with the current batch of cheap printers.