"Ian" napisa³ w wiadomo¶ci
...
"Szczepan Bialek" wrote in message
.. .

See:
http://www.google.com/patents?id=j3h...434678&f=false

S*
Ah - we're back to the rectenna which is defined in Wiki thus "A simple
rectenna element consists of a dipole antenna with a diode connected
across the dipole elements".

Here you are the simple:
http://www.ac-grenoble.fr/yre/agency...e/rap-nuc2.htm

Are the dipole elements symmetrical?
It seems that one of them is a counterpoise.
S*