[time-nuts] Interesting Patent

Scott Newell newell at cei.net
Tue May 16 17:30:26 UTC 2006


At 11:20 AM 5/16/2006 , Brooke Clarke wrote:
>Hi:
>
>I came across a 1946 patent for a vacuum tube based counter circuit that 
>will divide 60 Hz down to 1 Hz.  It's interesting in that there's a 
>discussion about the advantage of using binary instead of base 10 and 
>also about using feedback to change the scale of the counter from 64 to 
>60 (or 50).  See:

Nice find.  I find it easier to enter the patent number (2410156) into the
free service at http://www.pat2pdf.org/ and download a single pdf.


-- 
newell  N5TNL






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