Time nuts:
Here is a prediction of how it could go on the WWVB chip situation.
Moors law will under price the custom chip price in small (and even
large) volumes.
It already has.
http://en.wikipedia.org/wiki/Moore%27s_law
A WWVB receiver can now be done on an Arduino microprocessor with a
little help from an antenna.
The custom chip price will loose this battle.
The custom chip takes longer to develop.
A simple download can upgrade a simple carrier tracking receiver to a
full demodulating receiver.
The web site that supplies that free software upgrade can be anywhere on
this planet.
For lawyers to do their job they need a target.
Do not give them a target to aim at.
Or give them so many targets that they still can not do their job.
The antenna-receiver-Arduino board can be made in China and purchased on
ebay.
I feel sorry for the team with patent(s), they are competing against the
whole world, and do not know it yet.
This is a prediction of how it could happen.
Any takers.
Ivan Cousins
On 8/9/2014 12:56 PM, Bob Camp wrote:
Hi
Keep in mind that the patent(s) do not keep you from building a part for your
own use. Regardless of what they do / do not patent, a TimeNut can still build
(and use for themselves) what ever they wish.
————
Now, if you (after careful examination) believe that the privately held patents
keep you from building a receiver for a Federally Funded service - talk to your
elected representatives. They are the ones who can / will fire up a committee
to look into this sort of stuff. I think I would want to have some information
on license costs before I made that phone call though.
Bob
On Aug 9, 2014, at 1:49 PM, Brooke Clarke<bro...@pacific.net> wrote:
Hi:
I've been reading papers by Yingsi Liang who works for Xtendwave and she seems
to be the key person developing the new clocks.
I've starting collecting info on my web page:
http://www.prc68.com/I/Loop.shtml#PhaseMod
I don't understand how Xtendwave can get patents when their work was partially
funded by NIST?
There are different modes that have different frame times, the Long mode takes 17
minutes for each of: Time, DST/LY state& Date. That's to say it takes 51
minutes to get all three. Since the modulation format is in complete words their
receiver has a problem with the inaccuracy of common watch crystals. This says
that for those who have a stable LO it's much easier to receive the BPSK signal
over the times needed (probably for all formats).
PS a new paper "Receiver Design of Radio-Controlled Clocks Based On The New WWVB
Broadcast Format" came out a few days ago.
PPS I've been having fun with theodolites and have made a table "Accuracy of Visual
Fixes" on my Navigation page with columns headed Time, Angle& Distance based on the
Earth rotation at: http://www.prc68.com/I/Nav.shtml#Accuracy
The idea is that a theodolite with some angular accuracy needs to be used with
a clock that has a equivalent accuracy to get a position fix within some
distance.
[OT] PPPS I'm also having fun looking at the pond water in my back yard.
http://www.prc68.com/I/Labophot.html#Pond_Water
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
http://www.prc68.com/I/DietNutrition.html
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