On Mon, 18 Jun 2007 15:26:52 -0700, Jim Lux
wrote:

[Bingo, you've just said why your invention is "different" than Smith's]

Here's another "different" antenna:

To increase the directivity of such an antenna, a parasitic reflector
element, usually tuned to a frequency slightly higher than the driver
resonant frequency, can be placed parallel to the driver element along
the boom. For further increased directivity, one or more director
elements, usually tuned to frequencies slightly lower than the driver
resonant frequency, can be placed at various distances along the boom
on the other side of the driver element and parallel to the driver
element.

This is the world's first gaussian array.

73's
Richard Clark, KB7QHC