[time-nuts] Interesting Patent
Scott Newell
newell at cei.net
Tue May 16 13:30:26 EDT 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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