On 2/26/13 7:55 AM, Al Kossow wrote:
On 2/26/13 12:46 AM, Dave Wade wrote:
I assume you mean with with a rue analogue style
continuous sweep, not the one second steps..
... if so I would guess the Chinese ones don't actually do that, as its rather
tricky.
http://www.eckind.com/product_1709013_radio-controlled-clock-movement.htm
https://www.primexusa.com
who also sells a step per second version.
Quartex and Primex are Wisconsin companies. Here is the patent done by
someone in Lake Geneva (don't recognize the name, though)
http://www.freepatentsonline.com/EP1137971.pdf