Inventor · disambiguated record
John B. Groe
Also filed as: GROE JOHN · GROE JOHN B
64 granted patents·1 pending application·1,268 citations·filing 1995–2018
99Inventor score
Top patents by PatentIndex Score
65 records- 0198US9413394B1Digital to-analog converter system and methodPMC-SIERRA US INC·Filed 2015·Granted Aug 9, 2016·30 cites·16 claims
- 0296US5774013ADual source for constant and PTAT currentROCKWELL SEMICONDUCTOR SYS INC·Filed 1995·Granted Jun 30, 1998·95 cites·9 claims
- 0393US7672648B1System for linear amplitude modulationQuintics Holdings·Filed 2005·Granted Mar 2, 2010·72 cites·42 claims
- 0492US6178313B1Control of gain and power consumption in a power amplifierNOKIA MOBILE PHONES LTD·Filed 1998·Granted Jan 23, 2001·130 cites·10 claims
- 0590US7970367B1System for dual diversity receiver using switched LNASQUINTIC HOLDINGS·Filed 2008·Granted Jun 28, 2011·17 cites·13 claims
- 0690US6724235B2BiCMOS variable-gain transconductance amplifierSEQUOIA COMM·Filed 2002·Granted Apr 20, 2004·50 cites·15 claims
- 0789US7054605B1Variable-gain low noise amplifier to reduce linearity requirements on a radio receiverSEQUOIA COMM CORP·Filed 2002·Granted May 30, 2006·36 cites·7 claims
- 0889US6980786B1Adaptive receiver system that adjusts to the level of interfering signalsSEQUOIA COMM CORP·Filed 2002·Granted Dec 27, 2005·42 cites·13 claims
- 0989US6801089B2Continuous variable-gain low-noise amplifierSEQUOIA COMM·Filed 2002·Granted Oct 5, 2004·35 cites·10 claims
- 1088US6985703B2Direct synthesis transmitterSEQUOIA CORP·Filed 2002·Granted Jan 10, 2006·35 cites·1 claims
- 1185US6795843B1Low-distortion differential circuitSEQUOIA COMM·Filed 2001·Granted Sep 21, 2004·26 cites·16 claims
- 1284US7382849B1Charge pump circuitSEQUOIA COMM·Filed 2003·Granted Jun 3, 2008·33 cites·18 claims
- 1382US6798290B2Translinear variable gain amplifierSEQUOIA COMM·Filed 2002·Granted Sep 28, 2004·26 cites·7 claims
- 1482US6774740B1System for highly linear phase modulationSEQUOIA COMM CORP·Filed 2003·Granted Aug 10, 2004·25 cites·6 claims
- 1582US6664865B2Amplitude-adjustable oscillatorSEQUOIA COMM·Filed 2002·Granted Dec 16, 2003·20 cites·9 claims
- 1681US7920033B1Systems and methods for frequency modulation adjustmentGROE JOHN B·Filed 2007·Granted Apr 5, 2011·10 cites·18 claims
- 1781US7894545B1Time alignment of polar transmitterQUINTIC HOLDINGS·Filed 2007·Granted Feb 22, 2011·9 cites·22 claims
- 1880US8301086B2Low-power polar transmitterGROE JOHN B·Filed 2010·Granted Oct 30, 2012·5 cites·26 claims
- 1980US7679468B1KFM frequency tracking system using a digital correlatorQUINTIC HOLDINGS·Filed 2007·Granted Mar 16, 2010·8 cites·14 claims
- 2079US7999608B1Integrated RF notch filtersQUINTIC HOLDINGS·Filed 2009·Granted Aug 16, 2011·15 cites·14 claims
- 2179US6856205B1VCO with automatic calibrationSEQUOIA COMM·Filed 2003·Granted Feb 15, 2005·35 cites·26 claims
- 2279US6175274B1Switched gain low noise amplifierNOKIA MOBILE PHONES LTD·Filed 1999·Granted Jan 16, 2001·41 cites·20 claims
- 2378US7164318B2Continuous variable-gain low-noise amplifierSEQUOIA COMM·Filed 2004·Granted Jan 16, 2007·15 cites·10 claims
- 2478US6084471ASoft-limiting control circuit for variable gain amplifiersNOKIA MOBILE PHONES LTD·Filed 1997·Granted Jul 4, 2000·45 cites·17 claims
- 2577US7171170B2Envelope limiting for polar modulatorsSEQUOIA COMM·Filed 2002·Granted Jan 30, 2007·21 cites·6 claims
- 2677US6205325B1Active radio frequency mixer circuit with feedbackNOKIA MOBILE PHONES LTD·Filed 1998·Granted Mar 20, 2001·42 cites·20 claims
- 2776US6703887B2Long time-constant integratorSEQUOIA COMM·Filed 2002·Granted Mar 9, 2004·18 cites·7 claims
- 2875US8131229B1Polar modulation with IQ zeroingWILSON ROBERT·Filed 2008·Granted Mar 6, 2012·6 cites·19 claims
- 2975US7548122B1PLL with switched parametersSEQUOIA COMM·Filed 2006·Granted Jun 16, 2009·10 cites·33 claims
- 3074US7839231B1Low power I/Q modulatorQUINTIC HOLDINGS·Filed 2008·Granted Nov 23, 2010·8 cites·32 claims
- 3174US7522005B1KFM frequency tracking system using an analog correlatorSEQUOIA COMM·Filed 2007·Granted Apr 21, 2009·5 cites·7 claims
- 3273US7522017B1High-Q integrated RF filtersSEQUOIA COMM·Filed 2005·Granted Apr 21, 2009·8 cites·14 claims
- 3373US7135929B1Bias voltage circuit with ultra low output impedanceSEQUOIA COMM·Filed 2004·Granted Nov 14, 2006·20 cites·2 claims
- 3473US5990740ADifferential amplifier with adjustable linearityNOKIA MOBILE PHONES LTD·Filed 1997·Granted Nov 23, 1999·31 cites·22 claims
- 3572US7675379B1Linear wideband phase modulation systemQuintics Holdings·Filed 2006·Granted Mar 9, 2010·5 cites·29 claims
- 3671US6480700B1Apparatus, and associated method, for operating a communication device at reduced level of current consumptionNOKIA CORP·Filed 2000·Granted Nov 12, 2002·23 cites·20 claims
- 3771US6060950AControl of a variable gain amplifier with a delta sigma modulator D/A converterNOKIA MOBILE PHONES LTD·Filed 1998·Granted May 9, 2000·29 cites·16 claims
- 3870US7587179B1Direct synthesis transmitterSEQUOIA COMM·Filed 2005·Granted Sep 8, 2009·5 cites·17 claims
- 3970US6163708AClosed-loop power control methodNOKIA MOBILE PHONES LTD·Filed 1998·Granted Dec 19, 2000·60 cites·20 claims
- 4068US7764139B1Polar modulation with extended AMQUINTIC HOLDINGS·Filed 2008·Granted Jul 27, 2010·3 cites·22 claims
- 4168US7109815B1VCO with automatic calibrationSEQUOIA COMM CORP·Filed 2004·Granted Sep 19, 2006·8 cites·7 claims
- 4268US5570056ABipolar analog multipliers for low voltage applicationsPACIFIC COMM SCIENCES INC·Filed 1995·Granted Oct 29, 1996·29 cites·23 claims
- 4367US7489916B1Direct down-conversion mixer architectureSEQUOIA COMM·Filed 2003·Granted Feb 10, 2009·10 cites·13 claims
- 4467US7157971B2Low-distortion differential circuitSEQUOIA COMM·Filed 2005·Granted Jan 2, 2007·4 cites·9 claims
- 4566US10326468B2Digital-to-analog converter system and methodMaxlinear Asia Singapore PTE LTD·Filed 2018·Granted Jun 18, 2019·1 cites·18 claims
- 4665US7496338B1Multi-segment gain control systemSEQUOIA COMM·Filed 2004·Granted Feb 24, 2009·9 cites·6 claims
- 4764US8095087B1Polar modulation with coarse and fine FM signalsGROE JOHN B·Filed 2008·Granted Jan 10, 2012·2 cites·28 claims
- 4864US8067989B1Alternate clock apparatus and methods for improving radio performanceGROE JOHN B·Filed 2009·Granted Nov 29, 2011·5 cites·3 claims
- 4963US9906236B2Digital-to-analog converter system and methodMaxlinear Asia Singapore PTE LTD·Filed 2016·Granted Feb 27, 2018·1 cites·18 claims
- 5062US6094571ADifferential class AB mixer circuitNOKIA MOBILE PHONES LTD·Filed 1998·Granted Jul 25, 2000·23 cites·10 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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