Inventor · disambiguated record
Richard C. Looke
Also filed as: LOOKE RICHARD C
109 granted patents·12 pending applications·7,016 citations·filing 1994–2015
99Inventor score
Top patents by PatentIndex Score
121 records- 0199US7245886B2Method and system for frequency up-conversion with modulation embodimentsPARKERVISION INC·Filed 2005·Granted Jul 17, 2007·60 cites·37 claims
- 0299US7065162B1Method and system for down-converting an electromagnetic signal, and transforms for samePARKERVISION INC·Filed 2000·Granted Jun 20, 2006·98 cites·45 claims
- 0399US7054296B1Wireless local area network (WLAN) technology and applications including techniques of universal frequency translationPARKERVISION INC·Filed 2000·Granted May 30, 2006·464 cites·57 claims
- 0499US7039372B1Method and system for frequency up-conversion with modulation embodimentsPARKERVISION INC·Filed 2000·Granted May 2, 2006·115 cites·131 claims
- 0599US6813485B2Method and system for down-converting and up-converting an electromagnetic signal, and transforms for samePARKERVISION INC·Filed 2001·Granted Nov 2, 2004·191 cites·25 claims
- 0699US6061551AMethod and system for down-converting electromagnetic signalsPARKERVISION INC·Filed 1998·Granted May 9, 2000·238 cites·204 claims
- 0798US8229023B2Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodimentsSORRELLS DAVID F·Filed 2011·Granted Jul 24, 2012·17 cites·15 claims
- 0898US8223898B2Method and system for down-converting an electromagnetic signal, and transforms for sameSORRELLS DAVID F·Filed 2010·Granted Jul 17, 2012·15 cites·14 claims
- 0998US8190116B2Methods and systems for down-converting a signal using a complementary transistor structureSORRELLS DAVID F·Filed 2011·Granted May 29, 2012·15 cites·56 claims
- 1098US7937059B2Converting an electromagnetic signal via sub-samplingPARKERVISION INC·Filed 2008·Granted May 3, 2011·24 cites·17 claims
- 1198US7865177B2Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationshipsPARKERVISION INC·Filed 2009·Granted Jan 4, 2011·40 cites·15 claims
- 1298US7724845B2Method and system for down-converting and electromagnetic signal, and transforms for samePARKERVISION INC·Filed 2006·Granted May 25, 2010·37 cites·25 claims
- 1398US7693502B2Method and system for down-converting an electromagnetic signal, transforms for same, and aperture relationshipsPARKERVISION INC·Filed 2008·Granted Apr 6, 2010·33 cites·11 claims
- 1498US7653145B2Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementationsPARKERVISION INC·Filed 2005·Granted Jan 26, 2010·39 cites·26 claims
- 1598US7620378B2Method and system for frequency up-conversion with modulation embodimentsPARKERVISION INC·Filed 2007·Granted Nov 17, 2009·33 cites·8 claims
- 1698US7496342B2Down-converting electromagnetic signals, including controlled discharge of capacitorsPARKERVISION INC·Filed 2004·Granted Feb 24, 2009·55 cites·23 claims
- 1798US7376410B2Methods and systems for down-converting a signal using a complementary transistor structurePARKERVISION INC·Filed 2006·Granted May 20, 2008·48 cites·28 claims
- 1898US7218907B2Method and circuit for down-converting a signalPARKERVISION INC·Filed 2005·Granted May 15, 2007·62 cites·24 claims
- 1998US7110444B1Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementationsPARKERVISION INC·Filed 2000·Granted Sep 19, 2006·77 cites·32 claims
- 2098US7107028B2Apparatus, system, and method for up converting electromagnetic signalsPARKERVISION INC·Filed 2004·Granted Sep 12, 2006·61 cites·28 claims
- 2198US7010286B2Apparatus, system, and method for down-converting and up-converting electromagnetic signalsPARKERVISION INC·Filed 2001·Granted Mar 7, 2006·99 cites·11 claims
- 2298US6836650B2Methods and systems for down-converting electromagnetic signals, and applications thereofPARKERVISION INC·Filed 2002·Granted Dec 28, 2004·90 cites·7 claims
- 2398US6704549B1Multi-mode, multi-band communication systemPARKERVISION INC·Filed 2000·Granted Mar 9, 2004·125 cites·104 claims
- 2498US6694128B1Frequency synthesizer using universal frequency translation technologyPARKERVISION INC·Filed 2000·Granted Feb 17, 2004·107 cites·32 claims
- 2597US8340618B2Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationshipsSORRELLS DAVID F·Filed 2010·Granted Dec 25, 2012·16 cites·19 claims
- 2697US8077797B2Method, system, and apparatus for balanced frequency up-conversion of a baseband signalSORRELLS DAVID F·Filed 2010·Granted Dec 13, 2011·27 cites·14 claims
- 2797US7929638B2Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodimentsPARKERVISION INC·Filed 2010·Granted Apr 19, 2011·23 cites·20 claims
- 2897US7826817B2Applications of universal frequency translationPARKER VISION INC·Filed 2009·Granted Nov 2, 2010·26 cites·12 claims
- 2997US7697916B2Applications of universal frequency translationPARKERVISION INC·Filed 2005·Granted Apr 13, 2010·27 cites·59 claims
- 3097US7693230B2Apparatus and method of differential IQ frequency up-conversionPARKERVISION INC·Filed 2006·Granted Apr 6, 2010·53 cites·26 claims
- 3197US7554508B2Phased array antenna applications on universal frequency translationPARKER VISION INC·Filed 2008·Granted Jun 30, 2009·52 cites·44 claims
- 3297US7546096B2Frequency up-conversion using a harmonic generation and extraction modulePARKERVISION INC·Filed 2007·Granted Jun 9, 2009·42 cites·12 claims
- 3397US7539474B2DC offset, re-radiation, and I/Q solutions using universal frequency translation technologyPARKERVISION INC·Filed 2005·Granted May 26, 2009·51 cites·21 claims
- 3497US7529522B2Apparatus and method for communicating an input signal in polar representationPARKERVISION INC·Filed 2006·Granted May 5, 2009·37 cites·21 claims
- 3597US7389100B2Method and circuit for down-converting a signalPARKERVISION INC·Filed 2003·Granted Jun 17, 2008·48 cites·7 claims
- 3697US7321751B2Method and apparatus for improving dynamic range in a communication systemPARKERVISION INC·Filed 2002·Granted Jan 22, 2008·74 cites·22 claims
- 3797US7218899B2Apparatus, system, and method for up-converting electromagnetic signalsPARKERVISION INC·Filed 2004·Granted May 15, 2007·75 cites·34 claims
- 3897US7082171B1Phase shifting applications of universal frequency translationPARKERVISION INC·Filed 2000·Granted Jul 25, 2006·97 cites·28 claims
- 3997US7050508B2Method and system for frequency up-conversion with a variety of transmitter configurationsPARKERVISION INC·Filed 2002·Granted May 23, 2006·91 cites·20 claims
- 4097US6963734B2Differential frequency down-conversion using techniques of universal frequency translation technologyPARKERVISION INC·Filed 2002·Granted Nov 8, 2005·89 cites·16 claims
- 4197US6879817B1DC offset, re-radiation, and I/Q solutions using universal frequency translation technologyPARKERVISION INC·Filed 2000·Granted Apr 12, 2005·108 cites·47 claims
- 4297US6873836B1Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technologyPARKERVISION INC·Filed 2000·Granted Mar 29, 2005·152 cites·34 claims
- 4397US6853690B1Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodimentsPARKERVISION INC·Filed 2000·Granted Feb 8, 2005·113 cites·5 claims
- 4497US6704558B1Image-reject down-converter and embodiments thereof, such as the family radio servicePARKERVISION INC·Filed 2000·Granted Mar 9, 2004·107 cites·22 claims
- 4597US6370371B1Applications of universal frequency translationPARKERVISION INC·Filed 1999·Granted Apr 9, 2002·126 cites·68 claims
- 4697US6266518B1Method and system for down-converting electromagnetic signals by sampling and integrating over aperturesPARKERVISION INC·Filed 1999·Granted Jul 24, 2001·130 cites·99 claims
- 4797US6061555AMethod and system for ensuring reception of a communications signalPARKERVISION INC·Filed 1998·Granted May 9, 2000·166 cites·194 claims
- 4896US8036304B2Apparatus and method of differential IQ frequency up-conversionPARKERVISION INC·Filed 2010·Granted Oct 11, 2011·23 cites·20 claims
- 4996US8019291B2Method and system for frequency down-conversion and frequency up-conversionPARKERVISION INC·Filed 2009·Granted Sep 13, 2011·21 cites·17 claims
- 5096US7936022B2Method and circuit for down-converting a signalPARKERVISION INC·Filed 2008·Granted May 3, 2011·22 cites·10 claims
Showing the top 50 of 121 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →