Assignee
PARKERVISION INC
US·168 granted patents·25 pending applications·11,659 citations·filing 1990–2017
Top patents by PatentIndex Score
193 records- 0199US7885682B2Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of samePARKERVISION INC·Filed 2007·Granted Feb 8, 2011·108 cites·20 claims
- 0299US7750733B2Systems and methods of RF power transmission, modulation, and amplification, including embodiments for extending RF transmission bandwidthPARKERVISION INC·Filed 2008·Granted Jul 6, 2010·107 cites·38 claims
- 0399US7672650B2Systems and methods of RF power transmission, modulation, and amplification, including multiple input single output (MISO) amplifier embodiments comprising harmonic control circuitryPARKERVISION INC·Filed 2006·Granted Mar 2, 2010·75 cites·28 claims
- 0499US7647030B2Multiple input single output (MISO) amplifier with circuit branch output trackingPARKERVISION INC·Filed 2006·Granted Jan 12, 2010·89 cites·20 claims
- 0599US7639072B2Controlling a power amplifier to transition among amplifier operational classes according to at least an output signal waveform trajectoryPARKERVISION INC·Filed 2006·Granted Dec 29, 2009·76 cites·55 claims
- 0699US7620129B2RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signalsPARKERVISION INC·Filed 2008·Granted Nov 17, 2009·95 cites·13 claims
- 0799US7526261B2RF power transmission, modulation, and amplification, including cartesian 4-branch embodimentsPARKERVISION INC·Filed 2006·Granted Apr 28, 2009·78 cites·105 claims
- 0899US7466760B2Systems and methods of RF power transmission, modulation, and amplification, including transfer function embodimentsPARKERVISION INC·Filed 2007·Granted Dec 16, 2008·66 cites·30 claims
- 0999US7421036B2Systems and methods of RF power transmission, modulation, and amplification, including transfer function embodimentsPARKERVISION INC·Filed 2007·Granted Sep 2, 2008·103 cites·45 claims
- 1099US7378902B2Systems and methods of RF power transmission, modulation, and amplification, including embodiments for gain and phase controlPARKERVISION INC·Filed 2007·Granted May 27, 2008·119 cites·68 claims
- 1199US7355470B2Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioningPARKERVISION INC·Filed 2006·Granted Apr 8, 2008·141 cites·48 claims
- 1299US7327803B2Systems and methods for vector power amplificationPARKERVISION INC·Filed 2005·Granted Feb 5, 2008·101 cites·113 claims
- 1399US7245886B2Method and system for frequency up-conversion with modulation embodimentsPARKERVISION INC·Filed 2005·Granted Jul 17, 2007·60 cites·37 claims
- 1499US7233969B2Method and apparatus for a parallel correlator and applications thereofPARKERVISION INC·Filed 2005·Granted Jun 19, 2007·141 cites·23 claims
- 1599US7184723B2Systems and methods for vector power amplificationPARKERVISION INC·Filed 2005·Granted Feb 27, 2007·124 cites·94 claims
- 1699US7065162B1Method and system for down-converting an electromagnetic signal, and transforms for samePARKERVISION INC·Filed 2000·Granted Jun 20, 2006·98 cites·45 claims
- 1799US7054296B1Wireless local area network (WLAN) technology and applications including techniques of universal frequency translationPARKERVISION INC·Filed 2000·Granted May 30, 2006·464 cites·57 claims
- 1899US7039372B1Method and system for frequency up-conversion with modulation embodimentsPARKERVISION INC·Filed 2000·Granted May 2, 2006·115 cites·131 claims
- 1999US6813485B2Method 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
- 2099US6061551AMethod and system for down-converting electromagnetic signalsPARKERVISION INC·Filed 1998·Granted May 9, 2000·238 cites·204 claims
- 2198US8036306B2Systems and methods of RF power transmission, modulation and amplification, including embodiments for compensating for waveform distortionPARKERVISION INC·Filed 2007·Granted Oct 11, 2011·42 cites·8 claims
- 2298US8031804B2Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortionPARKERVISION INC·Filed 2006·Granted Oct 4, 2011·48 cites·38 claims
- 2398US8026764B2Generation and amplification of substantially constant envelope signals, including switching an output among a plurality of nodesPARKERVISION INC·Filed 2009·Granted Sep 27, 2011·44 cites·14 claims
- 2498US8013675B2Combiner-less multiple input single output (MISO) amplification with blended controlPARKERVISION INC·Filed 2008·Granted Sep 6, 2011·40 cites·37 claims
- 2598US7945224B2Systems and methods of RF power transmission, modulation, and amplification, including waveform distortion compensation embodimentsPARKERVISION INC·Filed 2006·Granted May 17, 2011·51 cites·16 claims
- 2698US7937059B2Converting an electromagnetic signal via sub-samplingPARKERVISION INC·Filed 2008·Granted May 3, 2011·24 cites·17 claims
- 2798US7937106B2Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of samePARKERVISION INC·Filed 2006·Granted May 3, 2011·58 cites·27 claims
- 2898US7932776B2RF power transmission, modulation, and amplification embodimentsPARKERVISION INC·Filed 2009·Granted Apr 26, 2011·46 cites·15 claims
- 2998US7911272B2Systems and methods of RF power transmission, modulation, and amplification, including blended control embodimentsPARKERVISION INC·Filed 2008·Granted Mar 22, 2011·47 cites·43 claims
- 3098US7865177B2Method 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
- 3198US7844235B2RF power transmission, modulation, and amplification, including harmonic control embodimentsPARKERVISION INC·Filed 2006·Granted Nov 30, 2010·52 cites·32 claims
- 3298US7835709B2RF power transmission, modulation, and amplification using multiple input single output (MISO) amplifiers to process phase angle and magnitude informationPARKERVISION INC·Filed 2006·Granted Nov 16, 2010·56 cites·20 claims
- 3398US7724845B2Method and system for down-converting and electromagnetic signal, and transforms for samePARKERVISION INC·Filed 2006·Granted May 25, 2010·37 cites·25 claims
- 3498US7693502B2Method 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
- 3598US7653145B2Wireless 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
- 3698US7620378B2Method and system for frequency up-conversion with modulation embodimentsPARKERVISION INC·Filed 2007·Granted Nov 17, 2009·33 cites·8 claims
- 3798US7496342B2Down-converting electromagnetic signals, including controlled discharge of capacitorsPARKERVISION INC·Filed 2004·Granted Feb 24, 2009·55 cites·23 claims
- 3898US7423477B2Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioningPARKERVISION INC·Filed 2007·Granted Sep 9, 2008·76 cites·36 claims
- 3998US7414469B2Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioningPARKERVISION INC·Filed 2007·Granted Aug 19, 2008·64 cites·12 claims
- 4098US7376410B2Methods and systems for down-converting a signal using a complementary transistor structurePARKERVISION INC·Filed 2006·Granted May 20, 2008·48 cites·28 claims
- 4198US7218907B2Method and circuit for down-converting a signalPARKERVISION INC·Filed 2005·Granted May 15, 2007·62 cites·24 claims
- 4298US7110444B1Wireless 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
- 4398US7107028B2Apparatus, system, and method for up converting electromagnetic signalsPARKERVISION INC·Filed 2004·Granted Sep 12, 2006·61 cites·28 claims
- 4498US7072427B2Method and apparatus for reducing DC offsets in a communication systemPARKERVISION INC·Filed 2002·Granted Jul 4, 2006·121 cites·40 claims
- 4598US7010286B2Apparatus, system, and method for down-converting and up-converting electromagnetic signalsPARKERVISION INC·Filed 2001·Granted Mar 7, 2006·99 cites·11 claims
- 4698US6836650B2Methods and systems for down-converting electromagnetic signals, and applications thereofPARKERVISION INC·Filed 2002·Granted Dec 28, 2004·90 cites·7 claims
- 4798US6704549B1Multi-mode, multi-band communication systemPARKERVISION INC·Filed 2000·Granted Mar 9, 2004·125 cites·104 claims
- 4898US6694128B1Frequency synthesizer using universal frequency translation technologyPARKERVISION INC·Filed 2000·Granted Feb 17, 2004·107 cites·32 claims
- 4997US8913974B2RF power transmission, modulation, and amplification, including direct cartesian 2-branch embodimentsPARKERVISION INC·Filed 2013·Granted Dec 16, 2014·20 cites·10 claims
- 5097US8351870B2Systems and methods of RF power transmission, modulation, and amplification, including cartesian 4-branch embodimentsPARKERVISION INC·Filed 2006·Granted Jan 8, 2013·31 cites·18 claims
Showing the top 50 of 193 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →