Rajko M wrote: > On Sunday 19 November 2006 11:32, Saill White wrote: > ... > >> You can do this yourself by going here and entering a company name for >> "Term 1" and choosing "Assignee Name" for "Field 1": >> http://patft.uspto.gov/netahtml/PTO/search-bool.html >> > ... > > Interesting link. > > I have feeling that this looks more like the Gordian Knot. > > Does anyone can explain this one: > Apparatus and method for generating and using multi-direction DC and AC > electrical currents #7,041,203 > > I know that current can flow from + to -, also one can reverse polarity and > than current will go in opposite way, but still from + to -. If reversal is > done periodically than we call that alternating current, but multi-direction > DC and AC?! > > Can someone shed some light on this? > > Well, for starters, electricity i.e. electrons flows from negative to positive.
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