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RF Cafe Visitors' Patents


This page is dedicated to visitors of RF Cafe who have managed one of the crowning achievements of an engineering career - being awarded a patent. If you are listed as the Inventor on a patent and would like to have it listed here, please send me an e-mail with the patent number, and I will be honored to include your invention in the list. Your patent can date back to Thomas Edison's time and it still is welcome. Patent listings are not limited to only those issued by the USPTO. Listings will be placed in numerical order, and the newest addition will be flagged in color.

- U.S. Patent and Trademark Office     - Copyright Resources Page







Patent NumberDetails
7,324,797
January 29, 2008		Bragg-Cell Application to High Probability of Intercept Receiver
Inventor: Cornell Drentea (Tucson, AZ)
7,280,012
October 9, 2007		Multi-probes as single RF tuning element for RF slide-screw tuners
Inventor: Philippe Boulerne
7,139,545
November 21, 2006		Ultra-wideband fully synthesized high-resolution receiver and method
Inventor: Cornell Drentea (Tucson, AZ)
7,042,233
May 9, 2006		Harmonic rejection tuner
Inventor: Philippe Boulerne
7,009,463
March 7, 2006		Harmonic reflective load-pull tuner
Inventor: Philippe Boulerne
6,992,538
January 31, 2006		Interferometric load-pull tuner
Inventor: Philippe Boulerne
6,882,310
April 19, 2005		Direct sampling GPS receiver for anti-interference operations
Inventor: Cornell Drentea (Tucson, AZ)
6,980,064
December 27, 2005		Slide-Screw tuner with single corrugated slug
Inventor: Philippe Boulerne
5,828,730
October 27, 1998		Method and apparatus for recording and managing communications for transcription
Inventor Jay Zebryk (Southbridge, MA)
4,975,942
December 4, 1990		Credit/calling card pay telephone method and system employing telephone unit local card-checking and other intelligence cooperative with local personal host computer
Inventor Jay Zebryk (Southbridge, MA)

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

Smith Chart™ for Excel
Smith Chart™ for Visio
RF & EE Symbols Word
RF Stencils for Visio
A Disruptive Web Presence™

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