I guess I was referring to those who just want to rip-off, or copy,
someone else's design.  In a sense, I did find it funny when someone comes
to me asking me to replicate someone else's design, and it happens to be 1
of my own PCB designs.  It's happened more than once to me.


    My concept of line muting was demoed under non-disclosure to a company
called H3D back in 97.  They were informed that it was my own concept & that
I had applied for a patent.  It was a simple means to get 3D on the desktop
with win95/98 with any 2D or 3D graphics accelerator.  1 year later, they
managed a cheap knock off of the line muting, they sold themselves out of
business because of poor business practices to a company called Illixco, who
now makes an oem version of their 3D glasses with a box that does line
muting, bugged & incorrectly I might add, which allows them to play movies
on the desktop & or explore some web pages in 3D.

     Now, do I waist time going after them, or, further develop 2 additional
new patents which have more than quadruple to value each?

Brian Guralnick

----- Original Message ----- 
From: "Abd ul-Rahman Lomax" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Sent: Wednesday, September 10, 2003 8:15 PM
Subject: Re: [PEDA] License Legalities OT

> At 11:51 AM 9/10/2003, Brian Guralnick wrote:
> > > I mentioned this because I know that a designer might be approached by
> > > someone who wants to make such a thing. He might provide a photo of an
> > > board and say that he needs to reproduce it, the originals have been
> >
> >I guess laziness has no-bounds.
> I'm not sure that I understand what Mr. Guralnick means here. The
> described can be legitimate, i.e., a manufacturer may have lost the
> fabrication data for an old pcb; I encountered this situation with a large
> elevator manufacturer who need to make a board that was last made ten
> before. The old design worked fine, they did not need something new, and
> all they had was one of the PCBs. It was clearly theirs, it had their name
> etched on it! They paid me to, essentially, copy the design. It was, in
> fact, one of my early Protel jobs. I photographed the board with a digital
> camera, and brought the image into Protel with one of the
> graphics-to-Protel-track utilities that are still available. I then
> footprints and drew new track over the old (the old was on a mech layer).
> It would have been just as easy to design the board anew, but they
> specifically did not want a new design, they wanted something exactly like
> the old.
> As part of the process, I did discover some errors in the original design,
> one or two floating inputs, which can be in practice harmless but which
> bite you when you least expect it.
> As a step further down the path to disrepute, another potential customer
> came to me one time and claimed that a designer working for him had
> abandoned the project in mid stream and all he had was a prototype
> board.... This gets pretty dicey, but it would also be difficult, in
> practice, to confirm or deny the truth of the story.

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