Rb sources are considered too expensive here in Italy for the TV broadcast market. The patent was issued by a small company that produces digital TV transmitters able to exploit the single frequency network specifications of the ETSI standard and so a stable and accurate time and frequency source is needed: usually a GPSDO with an OCXO at its heart. Very rarely do we see a disciplined Rb.
On Wed, Sep 10, 2014 at 9:18 PM, Dr. David Kirkby (Kirkby Microwave Ltd) <[email protected]> wrote: > On 10 Sep 2014 17:36, "Brian Lloyd" <[email protected]> wrote: >> >> On Wed, Sep 10, 2014 at 9:42 AM, Azelio Boriani <[email protected]> >> wrote: >> I skimmed through the patent but did not read it in >> detail. There may be some nugget in there that represents something new > but >> nothing jumped out at me. > > Maybe that is the trick to make money out of a good patent - make 99% of it > rubbish, with the nugget well hidden. Then sue when people breach your > patent. > > I looked but it is so boring and so badly written. I did learn one though - > I thought Rb sources were used commercially, but according to that patent > they are too expensive for that. > > Dave > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
