[time-nuts] WWVB BPSK patent status

[Mike Harpe]

If you run it through Google Translate it comes out in English but without
the illustrations.

Mike Harpe


On Fri, Aug 8, 2014 at 10:03 PM, Alexander Pummer <alexpcs at ieee.org> wrote:

>
> also there is one FPGA based system already available unfortunately the
> description is in German : http://www.cadt.de/dieter/dcf/
> Praezisionsfrequenzmessungen.pdf
>
>
>  On 8/8/2014 5:33 PM, Alex Pummer wrote:
>
>> there was a Swiss ingenieur who designed and published a receiver design
>> for the DCF77 which has the same modulation format, also there was a Finish
>> design a few years ego also published, therefore, that American company,
>> which is promising the chip for a while but instead delivering the chip
>> changes it's name... has to be very careful with patent writing.
>> 73
>> Alex
>>
>> On 8/8/2014 4:44 PM, Richard (Rick) Karlquist wrote:
>>
>>> Without having seen the specific patent, what
>>> worries me is that there is a trend these days
>>> to write blanket patents that say you can't
>>> build any black box that, for example, receives
>>> this format, no matter how it works.
>>> They don't have to prove what is
>>> in your FPGA code.  They then can shut down any
>>> competition with such a weak patent unless the
>>> competition has deep pockets for a lawyer.  If
>>> they can prove you willfully infringed (whatever
>>> that means), they get triple damages.  If you
>>> do any kind of patent search, do not keep any
>>> records or tell anyone about it.
>>>
>>> Possibly you could make the FPGA code available
>>> on the internet and have the end user be the
>>> infringer.  Not being a lawyer, I'm not sure
>>> if this would get you off the hook.  Maybe
>>> they can hang their hat on the digital copyright
>>> law (DCMA?) , in which case you become a criminal too.
>>>
>>> Rick Karlquist N6RK
>>>
>>> On 8/8/2014 3:24 PM, Brooke Clarke wrote:
>>>
>>>> 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
>>>>> _______________________________________________
>>>>> time-nuts mailing list -- time-nuts at 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 at 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 at 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 at 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 at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/
> mailman/listinfo/time-nuts
> and follow the instructions there.
>