On 02/19/2015 09:02 AM, Dave Cole wrote: > Trademarking doesn't do much other than allowing someone/thing to take > some ownership of a name to make sure that someone else can't openly use > the same "name". > > Remember when EMC2 became LinuxCNC? That was due to what EMC saw as a > trademark infringement. (Which I still think was BS.. ) > > If their screen is a derived work and they offer to give the source code > to anyone who buys the system, then I believe that they are perfectly ok > when it comes to the GPL. > > Smithy used EMC2 as their machine controller for years. They called it > the EZTrol or something close to that. > http://www.smithy.com/node/628 > > As I recall, they never mentioned that they were using EMC2 as their > controller in their product literature. I don't know if Smithy ever > contributed anything back to the EMC2 community. > > Dave > > > On 2/19/2015 11:13 AM, Len Shelton wrote: >> Your logic falls apart when >> >> DISPLAY = PathPilot >> >> yet PathPilot *includes* the Gremlin display. >> >> It further fails to pass muster when the headline reads: >> Introducing PathPilot™, Tormach’s new machine controller >> >> rather than: >> Introducing PathPilot™, Tormach’s new GUI for LinuxCNC >> >> ...especially when its punctuated with a trade mark symbol. >> >> Or maybe I am just crazy :-) >> >> >Len >> >> >> >> On 2/19/2015 3:57 AM, Erik Christiansen wrote: >>> If the TP code is linked into LinuxCNC, rather than communicating with >>> it over an API, then it is a derived work, but when you look at your ini, >>> and see something like: >>> >>> # Name of display program, e.g., tkemc >>> DISPLAY = axis >>> >>> then you realise that the display program is separate, and so a proprietary >>> replacement for Axis is not a derived work, and Tormach's generosity has >>> no need (or good reason) to be greater than it is, AFAICT. >>> >> >> >> >> --- IIRC .... Weber Systems wrote EZ-Trol for Smithy. A couple of years ago it was moved to public domain.
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