Re: Patented algorithm in FreeBSD

2001-06-21 Thread Brian Dean
On Mon, Jun 11, 2001 at 05:37:56PM -0500, Jonathan Lemon wrote: > Hmm, let's see: > > Assignee: Digital Equipment Corporation (Maynard, MA) > Appl. No.: 646734 > Filed: May 3, 1996 > > Versus: > > * Derived from hp300 version by Mike Hibler, this version by William >

Re: Patented algorithm in FreeBSD

2001-06-16 Thread Vadim Vygonets
Quoth Poul-Henning Kamp on Wed, Jun 13, 2001: > In message <[EMAIL PROTECTED]>, Jordan Hubbard writes: > >From: Bill Vermillion <[EMAIL PROTECTED]> > >> We just need to hide all the code from the lawyers. > > > >Why? They wouldn't understand it anyway. What we really need to do > >is stop HIRING

Re: Patented algorithm in FreeBSD

2001-06-13 Thread jack
Today Jordan Hubbard wrote: > From: Bill Vermillion <[EMAIL PROTECTED]> > Subject: Re: Patented algorithm in FreeBSD > Date: Wed, 13 Jun 2001 09:45:46 -0400 > > > We just need to hide all the code from the lawyers. > > Why? They wouldn't understand it anyw

Re[2]: Patented algorithm in FreeBSD

2001-06-13 Thread Boris
Hello , Wednesday, June 13, 2001, 7:35:09 PM, you wrote: is there a real problem in the US because of patented algos in FreeBSD? I think its a very bad situation for the US people, a big company can patent a lot of routines to stop other projects like freebsd, or not? I hope to get some intere

Re: Patented algorithm in FreeBSD

2001-06-13 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Jordan Hubbard writes: >From: Bill Vermillion <[EMAIL PROTECTED]> >Subject: Re: Patented algorithm in FreeBSD >Date: Wed, 13 Jun 2001 09:45:46 -0400 > >> We just need to hide all the code from the lawyers. > >Why? They wou

Re: Patented algorithm in FreeBSD

2001-06-13 Thread Jordan Hubbard
From: Bill Vermillion <[EMAIL PROTECTED]> Subject: Re: Patented algorithm in FreeBSD Date: Wed, 13 Jun 2001 09:45:46 -0400 > We just need to hide all the code from the lawyers. Why? They wouldn't understand it anyway. What we really need to do is stop HIRING them. :) - Jordan

Re: Patented algorithm in FreeBSD

2001-06-13 Thread Bill Vermillion
Patents don't always require licensing. Ever Unix system extant has a patented piece in it [or perhaps HAD is more appropriate] as the patents had expired. I saw the copy of it years ago and I looked for it recently but can't figure out where it is. The permissions - the old -rwx- etc we are so

Re: Patented algorithm in FreeBSD

2001-06-12 Thread Mikulas Patocka
> : Well, the application date is what counts, and that's mar1992, but I'm > : pretty sure that Bill Jolitz had them beat to that date already... > > I'm pretty sure that VMS 3.x used a similar technique. I have my old > VMS internals docs from that time frame (maybe they are from 4.x). > We're

Re: Patented algorithm in FreeBSD

2001-06-12 Thread Bsdguru
In a message dated 06/11/2001 7:02:30 PM Eastern Daylight Time, [EMAIL PROTECTED] writes: > So, you are very safe in using this technique, for a variety of reasons: > > - The patent is almost certainly invalid, and proving this in court > would be straightforward. > - Compaq (owner of

Re: Patented algorithm in FreeBSD

2001-06-12 Thread Warner Losh
In message <[EMAIL PROTECTED]> Jordan Hubbard writes: : The patent system is broken and we need to focus our energies on : reforming it, not on trying to bend ourselves into impossible shapes : to conform to the damage it's done. Exactly. My thoughts are to hell with them. The patent sighted is

Re: Patented algorithm in FreeBSD

2001-06-12 Thread Warner Losh
In message <30671.992330850@critter> Poul-Henning Kamp writes: : Well, the application date is what counts, and that's mar1992, but I'm : pretty sure that Bill Jolitz had them beat to that date already... I'm pretty sure that VMS 3.x used a similar technique. I have my old VMS internals docs fro

Re: Patented algorithm in FreeBSD

2001-06-12 Thread Jordan Hubbard
This whole thread is kind of silly. Don't people realize the sheer number of "patent infringments" there are in FreeBSD (or, indeed, Linux?) Sure, you could add a flag to turn each and every instance of such patent infringment off but the end-result would be something that didn't even resemble a

Re: Patented algorithm in FreeBSD

2001-06-12 Thread Mikulas Patocka
> The key thing with patents is that they are meaningless until the > patent holder decides to protect them in court by challenging the > people who are supposedly in violation of the patent. If a patent > holder decides to go after you, it can be costly even if you win. They can

Re: Patented algorithm in FreeBSD

2001-06-12 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Mike Smith writes: >> Hi >> >> Go to http://www.uspto.gov/patft/, search for patent number 5873127, and >> you will find the description of mapping page table entries into virtual >> memory via one page directory entry pointing to the page directory itself >> - exa

Re: Patented algorithm in FreeBSD

2001-06-11 Thread void
On Mon, Jun 11, 2001 at 04:27:12PM -0700, Matt Dillon wrote: > > You need to get two. Start with both pointing at the same point, > let the cat follow it around a bit, then split them into two different > dots going opposite directions. > > If you have two cats get one followin

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Matt Dillon
: :Mike Smith <[EMAIL PROTECTED]> writes: :> Every time I tease my housemate's cat with a laser pointer, I am :> violating a US patent. (No, really.) : :I need to get a laser pointer... : :DES :-- :Dag-Erling Smorgrav - [EMAIL PROTECTED] You need to get two. Start with both pointing at t

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Dag-Erling Smorgrav
Mike Smith <[EMAIL PROTECTED]> writes: > Every time I tease my housemate's cat with a laser pointer, I am > violating a US patent. (No, really.) I need to get a laser pointer... DES -- Dag-Erling Smorgrav - [EMAIL PROTECTED] To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe fr

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Matt Dillon
:> So it looks like we have prior art by around 6 years, which would :> invalidate the patent iff it was the same thing. : :Does it mean that the algorithm is free to use by everyone or free to use :only in freebsd? I would like to implemet these page table back pointers :too and I'm scared by th

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Jonathan Lemon
On Tue, Jun 12, 2001 at 12:53:33AM +0200, Mikulas Patocka wrote: > > So it looks like we have prior art by around 6 years, which would > > invalidate the patent iff it was the same thing. > > Does it mean that the algorithm is free to use by everyone or free to use > only in freebsd? I would like

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Matt Dillon
:> So it looks like we have prior art by around 6 years, which would :> invalidate the patent iff it was the same thing. : :Does it mean that the algorithm is free to use by everyone or free to use :only in freebsd? I would like to implemet these page table back pointers :too and I'm scared by th

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Mike Smith
> > So it looks like we have prior art by around 6 years, which would > > invalidate the patent iff it was the same thing. > > Does it mean that the algorithm is free to use by everyone or free to use > only in freebsd? I would like to implemet these page table back pointers > too and I'm scared

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Mike Smith
> hahahahahahaaThe patent was filed in 1996. In the 90's the patent > office starting granting patents for everything under the sun without > doing real prior art searches. I'm sure even just going to the candy > store these days is patented by someone... Every time I tease

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Matt Dillon
:Hmm, let's see: : : Assignee: Digital Equipment Corporation (Maynard, MA) : Appl. No.: 646734 : Filed: May 3, 1996 : :Versus: : : * Derived from hp300 version by Mike Hibler, this version by William : * Jolitz uses a recursive map [a pde points to the page directory] to

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Mikulas Patocka
> So it looks like we have prior art by around 6 years, which would > invalidate the patent iff it was the same thing. Does it mean that the algorithm is free to use by everyone or free to use only in freebsd? I would like to implemet these page table back pointers too and I'm scared by the paten

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Matt Dillon
:Hi : :Go to http://www.uspto.gov/patft/, search for patent number 5873127, and :you will find the description of mapping page table entries into virtual :memory via one page directory entry pointing to the page directory itself :- exactly what FreeBSD does with PTDPTDI and APTDPTDI entries on i3

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Jonathan Lemon
In article [EMAIL PROTECTED]> you write: >Hi > >Go to http://www.uspto.gov/patft/, search for patent number 5873127, and >you will find the description of mapping page table entries into virtual >memory via one page directory entry pointing to the page directory itself >- exactly what FreeBSD do

Re: Patented algorithm in FreeBSD

2001-06-11 Thread Mike Smith
> Hi > > Go to http://www.uspto.gov/patft/, search for patent number 5873127, and > you will find the description of mapping page table entries into virtual > memory via one page directory entry pointing to the page directory itself > - exactly what FreeBSD does with PTDPTDI and APTDPTDI entries

Patented algorithm in FreeBSD

2001-06-11 Thread Mikulas Patocka
Hi Go to http://www.uspto.gov/patft/, search for patent number 5873127, and you will find the description of mapping page table entries into virtual memory via one page directory entry pointing to the page directory itself - exactly what FreeBSD does with PTDPTDI and APTDPTDI entries on i386. (in