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5CCG (5th MOB):
My USAF radar shop

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Airplanes and Rockets:
My personal hobby website

Equine Kingdom:
My daughter Sally's horse
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The Great Patent Race

United States Patent and Trademark Office Logo - RF CafeYou might have read about the recent U.S. Patent and Trademark Office (USPTO) law that changes policy from a 'first to invent' to a 'first to file' system. It was meant to reduce the amount of work required by patent examiners and to reduce litigation by eliminating the heretofore potentially subjective nature of determining who was the 'real' inventor of an idea. Previously, if a person could prove via formal dated notes, witnesses, etc., that he was the first to manifest an idea in the form of a working model, there was a good chance that an existing patent could be reassigned. Now, it is almost purely a matter of who gets the earliest timestamp for having been received at the USPTO. This short piece in Inc magazine discusses the new patent filing issue.





Posted  June 2013
 
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RF Cafe Software

RF Cascade Workbook
RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
RF system analysis including
frequency conversion & filters

RF & EE Symbols Word
RF Stencils for Visio

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RF Cafe Software

Calculator Workbook
RF Workbench
Smith Chart™ for Visio
Smith Chart™ for Excel