Or pay XW any royalty they demand (Viz Lipitor or Xyvox). This could well be a high hurdle any other entrants into the marketplace.
-John ================= > With all due respect; > > What I dislike is the pre-entry of a company that has direct knowledge of > the format, tying up the easy (and less expensive) methods of decoding the > time data using prior inside information and the patent system. > > Let's say you find out what this PM modulation format is and decide to > make > a NTP server based on the new format. Much to your surprise, the method > you > want to design to has already been patented (by XW). The only option you > have is to possibly design with a more expensive and hence less marketable > device. > > Sorry to keep beating this poor horse. > > Regards, > Tom > > > ----- Original Message ----- > From: "Bob Camp" <li...@rtty.us> > To: "'Discussion of precise time and frequency measurement'" > <time-nuts@febo.com> > Sent: Wednesday, September 26, 2012 5:06 PM > Subject: Re: [time-nuts] WWVB Now a Monopoly > > > Hi > > I don't have a problem with going after a known format. What I have been > worried about is the existence of a portion of the format that we simply > do > not know about (yet). > Of less concern are the minor details about the actual transmission. For > instance: Added AM modulation (or not) to zero carrier at the point of > phase > change is as yet unmentioned. > > Bob > > -----Original Message----- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of Poul-Henning Kamp > Sent: Wednesday, September 26, 2012 2:05 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] WWVB Now a Monopoly > > In message <50633bf8.9050...@ussc.com>, Clint Turner writes: > >>In reviewing the NIST document, I don't see anything particularly >>difficult about the new format - either in terms of extracting the time >>or phase/frequency information from the transmissions. > > As a somewhat seasoned VLF SDR radio-nut, I must admit that I find > the yelling of bloody murder over a so simple and well documented > transmission format. > > Class action suit because they *improve* your VLF time/freq reference > signal and document the new format ? > > Really ? > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > p...@freebsd.org | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by > incompetence. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.