[time-nuts] WWVB BPSK patent status

[Brooke Clarke]

Hi Mike:

Do you have any patent numbers.

Have Fun,

Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
http://www.prc68.com/I/DietNutrition.html

Mike Harpe wrote:
> >From my reading of the archives and research it appears that the design for
> a BPSK WWVB receiver probably has a patent conflict.
>
> Isn't this a rehash of the old Heathkit patent on radio clocks that held
> back their adoption for years?
>
> I have begun work on a BPSK receiver for WWVB using an FPGA.
>
> Someone should look into why the NIST did this at all since the receiver
> design got a patent slapped on it right away.
>
> Mike Harpe, N4PLE
> Sellersburg, IN
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