On May 11, 2007, at 6:04 PM, Sverre Holm wrote:
WB6QRN wrote:
And just to confuse things even more, what about the Tayloe mixer?
I don't know about the H-mode mixer, but the Tayloe mixer has been
patented
by Motorola.
"Product detector and method therefor" was filed in 1998 and
granted in 2001
as US patent 6,230,000. See
<http://www.google.com/patents?id=FsIGAAAAEBAJ&dq=US+6230000>
Ah, too bad. It seems like nothing good comes of patents these days.
73 de Brian, WB6RQN
Brian Lloyd - brian HYPHEN wb6rqn AT lloyd DOT com
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