Re: Any way to protect drawings released to other companies

On Thu, 5 Jun 2008 08:06:35 -0700 (PDT), iQ <mwalters@[EMAIL PROTECTED]
>
wrote:

>It is acceptable to send actual CAD data to others.  But you must
>designate a control source in case someone edits the CAD data to
>sup****t their needs.  A good control source is a PDF do***ent as it is
>cannot be changed.  You will need to do***ent your process.  I
>designate my engineering deliverable as the PDF file.  I also send CAD
>data to them so they can use it in their designs or whatever.  I also
>add custom properties to the PDF file designating release dates and
>other info.  Case in point; One customer decided to override this
>concept by converting the data via AI, manipulating and turning it
>back into a PDF.  Of course the resulting PDF file was missing these
>custom properties.  We caught this quickly.  iQ

What were they trying to do - change the design and make it look like
the change came from you?