Electronics World articles Popular Electronics articles QST articles Radio & TV News articles Radio-Craft articles Radio-Electronics articles Short Wave Craft articles Wireless World articles Google Search of RF Cafe website Sitemap Electronics Equations Mathematics Equations Equations physics Manufacturers & distributors LinkedIn Crosswords Engineering Humor Kirt's Cogitations RF Engineering Quizzes Notable Quotes Calculators Education Engineering Magazine Articles Engineering software RF Cafe Archives Magazine Sponsor RF Cafe Sponsor Links Saturday Evening Post NEETS EW Radar Handbook Microwave Museum About RF Cafe Aegis Power Systems Alliance Test Equipment Centric RF Empower RF ISOTEC Reactel RF Connector Technology San Francisco Circuits Anritsu Amplifier Solutions Anatech Electronics Axiom Test Equipment Conduct RF Copper Mountain Technologies Exodus Advanced Communications Innovative Power Products KR Filters LadyBug Technologies Rigol TotalTemp Technologies Werbel Microwave Windfreak Technologies Wireless Telecom Group Withwave RF Cafe Software Resources Vintage Magazines RF Cafe Software WhoIs entry for RF Cafe.com Thank you for visiting RF Cafe!
Exodus Advanced Communications Best in Class RF Amplifier SSPAs

Exodus Advanced Communications Best in Class RF Amplifier SSPAs

Innovative Power Products Passive RF Products - RF Cafe

Please Support RF Cafe by purchasing my  ridiculously low−priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel

Windfreak Technologies Frequency Synthesizers - RF Cafe

RF Cafe Website Visitors' Patents

U.S. Patent Office Seal History - RF CafeThis 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 included 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 listed in numerical order, and not limited to only those issued by the USPTO. Hyperlinks are made to Google Patents since the formats are usually more browser friendly.

Patent Number Details

September 29, 2020

Adjustable stacked phase-mode feed for 2D steering of antenna arrays

Inventor: Marek Klemes


July 14, 2020

Pseudo-doppler receiving architecture for OAM and MIMO transmissions

Inventor: Marek Klemes


July 7, 2020

One pad communications

Inventor: David Mayer Hutchinson


July 7, 2020

OAM pseudo-doppler receiving architecture

Inventor: Marek Klemes


November 29, 2019

Phase-noise cancellation apparatus and method

Inventor: Marek Klemes


October 16, 2019

System and method for simple 2d phase-mode enabled beam-steering

Inventor: Marek Klemes


May 7, 2019

Phase-mode feed network for antenna arrays

Inventor: Marek Klemes


December 4, 2018

Sparse phase-mode planar feed for circular arrays

Inventor: Marek Klemes  (see Dr. Klemes' works on ResearchGate)


June 20, 2017

Beam-steering apparatus for an antenna array

Inventor: Marek Klemes


August 9, 2016

Simple 2D phase-mode enabled beam-steering means

Inventor: Marek Klemes


January 29, 2008

Bragg-cell application to high probability of intercept receiver

Inventor: Cornell Drentea


October 9, 2007

Multi-probes as single RF tuning element for RF slide-screw tuners

Inventor: Philippe Boulerne


November 21, 2006

Ultra-wideband fully synthesized high-resolution receiver and method

Inventor: Cornell Drentea


May 9, 2006

Harmonic rejection tuner

Inventor: Philippe Boulerne


March 7, 2006

Harmonic reflective load-pull tuner

Inventor: Philippe Boulerne


January 31, 2006

Interferometric load-pull tuner

Inventor: Philippe Boulerne


December 27, 2005

Slide-Screw tuner with single corrugated slug

Inventor: Philippe Boulerne


April 19, 2005

Direct sampling GPS receiver for anti-interference operations

Inventor: Cornell Drentea


October 27, 1998

Method and apparatus for recording and managing communications for transcription

Inventor Jay Zebryk


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


June 5, 1990

Vectorial adaptive filtering apparatus with convergence rate independent of signal parameters

Inventor: Marek Klemes

Anatech Electronics RF Microwave Filters - RF Cafe

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024


    Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website: AirplanesAndRockets.com

My Daughter's Website: EquineKingdom

Amplifier Solutions Corporation (ASC) - RF Cafe

Axiom Test Equipment - RF Cafe

ConductRF Phased Matched RF Cables - RF Cafe