Source: http://www.google.com/patents/US6285251?dq=6,370,566
Timestamp: 2017-05-26 12:33:19
Document Index: 383767074

Matched Legal Cases: ['application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09', 'application No. 09']

Patent US6285251 - Amplification systems and methods using fixed and modulated power supply ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA signal of varying amplitude in a first saturated power amplifier that operates from a fixed voltage power supply to produce a first output signal of constant amplitude. The signal of varying amplitude also is amplified in a second saturated power amplifier that operates from a modulated voltage power...http://www.google.com/patents/US6285251?utm_source=gb-gplus-sharePatent US6285251 - Amplification systems and methods using fixed and modulated power supply voltages and buck-boost controlAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS6285251 B1Publication typeGrantApplication numberUS 09/640,408Publication dateSep 4, 2001Filing dateAug 17, 2000Priority dateApr 2, 1998Fee statusPaidAlso published asCN1264274C, CN1493106A, CN1893258A, CN100557948C, DE60140381D1, EP1364456A2, EP1364456B1, US6369651, US20010030581, WO2002015387A2, WO2002015387A3Publication number09640408, 640408, US 6285251 B1, US 6285251B1, US-B1-6285251, US6285251 B1, US6285251B1InventorsPaul Wilkinson Dent, William O. Camp, Jr.Original AssigneeEricsson Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (54), Non-Patent Citations (13), Referenced by (190), Classifications (39), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetAmplification systems and methods using fixed and modulated power supply voltages and buck-boost control
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS2210028Apr 1, 1936Aug 6, 1940Bell Telephone Labor IncAmplifierUS3448366Nov 28, 1966Jun 3, 1969Mallory & Co Inc P RMultiphase static inverterUS3777275Jan 31, 1972Dec 4, 1973Bell Telephone Labor IncLinear amplification with nonlinear devicesUS3805139Sep 29, 1971Apr 16, 1974IbmProgrammed waveform power inverter control systemUS3906401Sep 3, 1974Sep 16, 1975Bell Telephone Labor IncFeedforward error correction in interferometer modulatorsUS3909742Aug 19, 1974Sep 30, 1975Bell Telephone Labor IncLinear amplification using nonlinear devices and feedbackUS3927379Jan 8, 1975Dec 16, 1975Bell Telephone Labor IncLinear amplification using nonlinear devices and inverse sine phase modulationUS4090147Jul 20, 1977May 16, 1978Bell Telephone Laboratories, IncorporatedInterferometric amplifierUS4178557Dec 15, 1978Dec 11, 1979Bell Telephone Laboratories, IncorporatedLinear amplification with nonlinear devicesUS4315107Oct 15, 1979Feb 9, 1982Bell Telephone Laboratories, IncorporatedTelephone range extender with gainUS4420723Mar 27, 1981Dec 13, 1983U.S. Philips CorporationPhase locked loop amplifier for variable amplitude radio wavesUS4433312Dec 18, 1981Feb 21, 1984Kahn Leonard RMethod and means for modulating wavesUS4485357Feb 8, 1982Nov 27, 1984U.S. Philips CorporationCircuit for amplitude and phase modulation of carrier signal by two respective input signalsUS4509017Feb 15, 1984Apr 2, 1985E-Systems, Inc.Method and apparatus for pulse angle modulationUS4580111Dec 24, 1981Apr 1, 1986Harris CorporationAmplitude modulation using digitally selected carrier amplifiersUS4748423 *Jan 28, 1987May 31, 1988Rockwell International CorporationHot standby amplifier apparatusUS4791815Apr 3, 1987Dec 20, 1988Matsushita Electric Industrial Co., Ltd.Cyclically driven gyro and adjusting system thereforUS4862116Oct 17, 1988Aug 29, 1989The United States Of America As Represented By The Secretary Of The NavyActive phase and amplitude modulatorUS5077539Dec 26, 1990Dec 31, 1991Apogee Technology, Inc.Switching amplifierUS5086450Aug 17, 1990Feb 4, 1992Mitsubishi Denki Kabushiki KaishaEmergency intercommunication system for elevatorUS5115203 *Jun 25, 1990May 19, 1992Rockwell International CorporationDigital power amplifierUS5365187Oct 29, 1993Nov 15, 1994Hewlett-Packard CompanyPower amplifier utilizing the vector addition of two constant envelope carriersUS5410280May 26, 1994Apr 25, 1995Thomson-CsfProcess and device for amplitude modulation of a radiofrequency signalUS5420541Jun 4, 1993May 30, 1995Raytheon CompanyMicrowave doherty amplifierUS5438301Jul 25, 1994Aug 1, 1995At&T Corp.Modem having a phase corrector and a voltage controlled oscillator implemented using a multi-stage ring oscillatorUS5453717Nov 1, 1994Sep 26, 1995Thomson-CsfH-bridge type power amplifier and its blocking meansUS5483433Dec 12, 1994Jan 9, 1996Yang; Tai-HerVoltage control circuit for a multiple stage DC power supply, and applications thereofUS5483681Aug 24, 1993Jan 9, 1996Telefonaktiebolaget Lm EricssonApparatus for compensating of phase rotation in a final amplifier stageUS5559468Jun 28, 1993Sep 24, 1996Motorola, Inc.Feedback loop closure in a linear transmitterUS5568088Jun 7, 1995Oct 22, 1996Ericsson Ge Mobile Communications Inc.Waste energy control and management in power amplifierUS5574967Jan 11, 1994Nov 12, 1996Ericsson Ge Mobile Communications, Inc.Waste energy control and management in power amplifiersUS5612651Jan 2, 1996Mar 18, 1997Loral Aerospace Corp.Modulating array QAM transmitterUS5631604Jun 7, 1995May 20, 1997Ericsson Inc.Waste energy control and management in power amplifiersUS5638024Jun 7, 1995Jun 10, 1997Ericsson Inc.Waste energy control and management in power amplifiersUS5682303May 28, 1996Oct 28, 1997International PowersystemsReconfigurable thin-profile switched-mode power conversion array and method of operating the sameUS5694093Nov 7, 1995Dec 2, 1997Hewlett-Packard CompanyWideband IQ modulator with RC/CR automatic quadrature networkUS5732333Feb 14, 1996Mar 24, 1998Glenayre Electronics, Inc.Linear transmitter using predistortionUS5734565Aug 16, 1996Mar 31, 1998American Superconductor CorporationReducing switching losses in series connected bridge inverters and amplifiersUS5767750Jan 27, 1995Jun 16, 1998Kabushiki Kaisha ToshibaModulatorUS5778029Apr 18, 1996Jul 7, 1998Lockheed Martin Aerospace CorporationSignal conditioner with symbol addressed lookup table producing values which compensate linear and non-linear distortion using transversal filterUS5815531Jun 12, 1996Sep 29, 1998Ericsson Inc.Transmitter for encoded data bitsUS5900778May 8, 1997May 4, 1999Stonick; John T.Adaptive parametric signal predistorter for compensation of time varying linear and nonlinear amplifier distortionUS5930128Apr 2, 1998Jul 27, 1999Ericsson Inc.Power waveform synthesis using bilateral devicesUS5990734Dec 17, 1998Nov 23, 1999Datum Telegraphic Inc.System and methods for stimulating and training a power amplifier during non-transmission eventsUS5999046 *Jun 10, 1998Dec 7, 1999Motorola, Inc.Power combiner for use in a radio frequency system and a method of constructing a power combinerUS6137355 *Oct 28, 1999Oct 24, 2000Sevic; John F.Dual-mode amplifier with high efficiency and high linearityUS6157253 *Sep 3, 1999Dec 5, 2000Motorola, Inc.High efficiency power amplifier circuit with wide dynamic backoff rangeEP0471346A1Aug 13, 1991Feb 19, 1992Fujitsu LimitedHigh frequency power amplifier with high efficiency and low distortionEP0598585A2Nov 15, 1993May 25, 1994Linear Modulation Technology LtdAutomatic calibration of the quadrature balance within a cartesian amplifierEP0708546A2Oct 14, 1995Apr 24, 1996Deutsche Telekom AGQAM communication methodEP0725478A1Jan 26, 1996Aug 7, 1996Japan Radio Co., LtdAmplitude modulation circuit and methodGB2267402A Title not availableWO1997048219A2May 19, 1997Dec 18, 1997Ericsson Inc.Transmitter for qam encoded dataWO1999055206A1Apr 15, 1999Nov 4, 1999Southpac Trust International, Inc.Floral sleeve having a decorative pattern* Cited by examinerNon-Patent CitationsReference1Chireix, High Power Outphasing Modulation, Proceedings of the Institute of Radio Engineers, vol. 23, No. 11, Nov. 1935, pp. 1370-1392.2International Search Report, PCT/US99/05681, Jul. 6, 1999.3International Search Report, PCT/US99/24332, Feb. 24, 2000.4International Search Report, PCT/US99/26913, Jul. 24, 2000.5International Search Report, PCT/US99/27008, Feb. 24, 2000.6Morais et al., NLA-QAM: A Method for Generating High-Power QAM Signals Through Nonlinear Amplification, IEEE Transactions on Communications, vol. Com-30, No. 3, Mar. 1982, pp. 517-522.7U.S. application No. 09/054,063, Dent, filed Apr. 2, 1998.8U.S. application No. 09/208,912, Dent et al., filed Dec. 10, 1998.9U.S. application No. 09/209,104, Dent, filed Dec. 10, 1998.10U.S. application No. 09/216,466, Holden et al., filed Dec. 18, 1998.11U.S. application No. 09/226,478, Camp, Jr. et al., Jan. 7, 1999.12U.S. application No. 09/361,080, Dent, filed Jul. 26, 1999.13U.S. application No. 09/461,671, Dent, filed Dec. 14, 1999.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS6396341 *Dec 29, 2000May 28, 2002Ericsson Inc.Class E Doherty amplifier topology for high efficiency signal transmittersUS6472934 *Dec 29, 2000Oct 29, 2002Ericsson Inc.Triple class E Doherty amplifier topology for high efficiency signal transmittersUS6587511 *Jan 26, 2001Jul 1, 2003Intel CorporationRadio frequency transmitter and methods thereofUS6608493 *Oct 3, 2001Aug 19, 2003Omicron Electronics GmbhPortable testing deviceUS6653896 *Nov 30, 2001Nov 25, 2003Tropian, Inc.Differential rf/microwave power amplifier using independent synchronized polar modulatorsUS6690233 *Dec 21, 2000Feb 10, 2004Tropian, Inc.Efficient, precise RF modulation using multiple amplifier stagesUS6750709 *Nov 30, 2001Jun 15, 2004The Boeing CompanyBipolar transistor-based linearizer with programmable gain and phase response systemUS6756843 *Oct 22, 2001Jun 29, 2004Koninklijke Philips Electronics N.V.Signal transmitter with pulse-controlled amplificationUS6822516 *Mar 27, 2003Nov 23, 2004Ess Technology, Inc.High speed high gain amplifierUS6825719May 26, 2000Nov 30, 2004Intel CorporationRF power amplifier and methods for improving the efficiency thereofUS6836183 *Oct 16, 2002Dec 28, 2004Icefyre Semiconductor CorporationChireix architecture using low impedance amplifiersUS6853244Jun 24, 2003Feb 8, 2005Northrop Grumman CorproationMulti-mode multi-amplifier architectureUS6859098Jan 17, 2003Feb 22, 2005M/A-Com, Inc.Apparatus, methods and articles of manufacture for control in an electromagnetic processorUS6879209 *Jul 8, 2003Apr 12, 2005Icefyre Semiconductor Corp.Switched-mode power amplifier using lumped element impedance inverter for parallel combiningUS6891432Nov 14, 2002May 10, 2005Mia-Com, Inc.Apparatus, methods and articles of manufacture for electromagnetic processingUS6917246 *Mar 12, 2004Jul 12, 2005Skyworks Solutions, Inc.Doherty bias circuit to dynamically compensate for process and environmental variationsUS6924699Mar 6, 2003Aug 2, 2005M/A-Com, Inc.Apparatus, methods and articles of manufacture for digital modification in electromagnetic signal processingUS6937096 *Jun 30, 2003Aug 30, 2005Icefyre Semiconductor CorporationSwitched-mode power amplifier integrally performing power combiningUS6963242Jul 31, 2003Nov 8, 2005Andrew CorporationPredistorter for phase modulated signals with low peak to average ratiosUS7023273Oct 6, 2003Apr 4, 2006Andrew CorporationArchitecture and implementation methods of digital predistortion circuitryUS7082169Jul 29, 2002Jul 25, 2006Skyworks Solutions, Inc.Mirror translation loop transmitter architectureUS7091778Sep 19, 2003Aug 15, 2006M/A-Com, Inc.Adaptive wideband digital amplifier for linearly modulated signal amplification and transmissionUS7151407 *Apr 6, 2005Dec 19, 2006Grundlingh Johan MSwitched-mode power amplifier using lumped element impedance inverter for parallel combiningUS7187231Dec 2, 2002Mar 6, 2007M/A-Com, Inc.Apparatus, methods and articles of manufacture for multiband signal processingUS7203262May 13, 2003Apr 10, 2007M/A-Com, Inc.Methods and apparatus for signal modification in a fractional-N phase locked loop systemUS7236054 *Jan 28, 2004Jun 26, 2007Silicon Storage Technology, Inc.Multi-operational amplifier systemUS7245183Mar 25, 2003Jul 17, 2007M/A-Com Eurotec BvApparatus, methods and articles of manufacture for processing an electromagnetic waveUS7248110Dec 6, 2005Jul 24, 2007Harris CorporationModified doherty amplifierUS7276971Jan 11, 2007Oct 2, 2007Silicon Storage Technology, Inc.Multi-operational amplifier systemUS7298854Dec 4, 2002Nov 20, 2007M/A-Com, Inc.Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processingUS7304537Oct 31, 2006Dec 4, 2007Avago Technologies Korea Co., LtdPower amplification apparatus of a portable terminalUS7336127 *Jun 10, 2005Feb 26, 2008Rf Micro Devices, Inc.Doherty amplifier configuration for a collector controlled power amplifierUS7336753Jun 26, 2003Feb 26, 2008Marvell International Ltd.TransmitterUS7342300Jun 30, 2003Mar 11, 2008Zarbana Digital Fund LlcIntegrated circuit incorporating wire bond inductanceUS7343138Dec 8, 2003Mar 11, 2008M/A-Com, Inc.Compensating for load pull in electromagentic signal propagation using adaptive impedance matchingUS7345535 *Feb 4, 2002Mar 18, 2008Avago Technologies Korea Co. Ltd.Power amplification apparatus of portable terminalUS7349679 *Jun 30, 2004Mar 25, 2008Qualcomm Inc.Integrated power amplifierUS7356315Dec 17, 2003Apr 8, 2008Intel CorporationOutphasing modulators and methods of outphasing modulationUS7403573Jan 15, 2003Jul 22, 2008Andrew CorporationUncorrelated adaptive predistorterUS7436258Jul 30, 2007Oct 14, 2008Silicon Storage Technology, Inc.Multi-operational amplifier systemUS7459973Jun 12, 2006Dec 2, 2008École De Technologie SupérieureMethod and apparatus for amplifying a signal modulated in amplitudeUS7505824 *Jul 14, 2005Mar 17, 2009Kabushiki Kaisha ToshibaAudio signal processing apparatus and audio signal processing methodUS7526260Nov 14, 2002Apr 28, 2009M/A-Com Eurotec, B.V.Apparatus, methods and articles of manufacture for linear signal modificationUS7528471Oct 11, 2006May 5, 2009James Stuart WightIntegrated circuit incorporating wire bond inductanceUS7545865Dec 3, 2002Jun 9, 2009M/A-Com, Inc.Apparatus, methods and articles of manufacture for wideband signal processingUS7647030Dec 12, 2006Jan 12, 2010Parkervision, Inc.Multiple input single output (MISO) amplifier with circuit branch output trackingUS7672650Dec 12, 2006Mar 2, 2010Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including multiple input single output (MISO) amplifier embodiments comprising harmonic control circuitryUS7702299 *Jul 2, 2007Apr 20, 2010Panasonic CorporationModulation circuit device, modulation method and radio communication deviceUS7729668Apr 3, 2003Jun 1, 2010Andrew LlcIndependence between paths that predistort for memory and memory-less distortion in power amplifiersUS7738619Feb 26, 2008Jun 15, 2010Marvell International Ltd.TransmitterUS7750733Jul 15, 2008Jul 6, 2010Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including embodiments for extending RF transmission bandwidthUS7763495Mar 23, 2009Jul 27, 2010James Stuart WightIntegrated circuit incorporating wire bond inductanceUS7835709Aug 23, 2006Nov 16, 2010Parkervision, Inc.RF power transmission, modulation, and amplification using multiple input single output (MISO) amplifiers to process phase angle and magnitude informationUS7844235Dec 12, 2006Nov 30, 2010Parkervision, Inc.RF power transmission, modulation, and amplification, including harmonic control embodimentsUS7869803Apr 30, 2007Jan 11, 2011Qualcomm IncorporatedProfile modification for roaming in a communications environmentUS7882346May 9, 2003Feb 1, 2011Qualcomm IncorporatedMethod and apparatus for providing authentication, authorization and accounting to roaming nodesUS7885682Mar 20, 2007Feb 8, 2011Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of sameUS7911272Sep 23, 2008Mar 22, 2011Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including blended control embodimentsUS7912145Dec 15, 2003Mar 22, 2011Marvell World Trade Ltd.Filter for a modulator and methods thereofUS7929989Mar 20, 2007Apr 19, 2011Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of sameUS7932776Dec 23, 2009Apr 26, 2011Parkervision, Inc.RF power transmission, modulation, and amplification embodimentsUS7937106Aug 24, 2006May 3, 2011ParkerVision, Inc,Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of sameUS7945224Aug 24, 2006May 17, 2011Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including waveform distortion compensation embodimentsUS7949365Mar 20, 2007May 24, 2011Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of sameUS7953378 *Jul 2, 2008May 31, 2011Zarbana Digital Fund LlcPredistortion circuit for a transmit systemUS8013675Jun 19, 2008Sep 6, 2011Parkervision, Inc.Combiner-less multiple input single output (MISO) amplification with blended controlUS8026764Dec 2, 2009Sep 27, 2011Parkervision, Inc.Generation and amplification of substantially constant envelope signals, including switching an output among a plurality of nodesUS8031804Aug 24, 2006Oct 4, 2011Parkervision, Inc.Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortionUS8036306Feb 28, 2007Oct 11, 2011Parkervision, Inc.Systems and methods of RF power transmission, modulation and amplification, including embodiments for compensating for waveform distortionUS8050353Feb 28, 2007Nov 1, 2011Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortionUS8059749Feb 28, 2007Nov 15, 2011Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortionUS8174322Mar 21, 2011May 8, 2012Nxp B.V.Power control of reconfigurable outphasing chireix amplifiers and methodsUS8198938Feb 4, 2010Jun 12, 2012Wipam, Inc.Broadband power amplifierUS8203386May 4, 2010Jun 19, 2012Nxp B.V.Reconfigurable outphasing Chireix amplifiers and methodsUS8233858Dec 12, 2006Jul 31, 2012Parkervision, Inc.RF power transmission, modulation, and amplification embodiments, including control circuitry for controlling power amplifier output stagesUS8248160Apr 27, 2010Aug 21, 2012Zarbana Digital Fund LlcAdaptive predistortion for a transmit systemUS8280321Nov 15, 2006Oct 2, 2012Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including Cartesian-Polar-Cartesian-Polar (CPCP) embodimentsUS8315336May 19, 2008Nov 20, 2012Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodimentUS8334722Jun 30, 2008Dec 18, 2012Parkervision, Inc.Systems and methods of RF power transmission, modulation and amplificationUS8351870Nov 15, 2006Jan 8, 2013Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including cartesian 4-branch embodimentsUS8406711Aug 30, 2006Mar 26, 2013Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including a Cartesian-Polar-Cartesian-Polar (CPCP) embodimentUS8410849 *Mar 22, 2011Apr 2, 2013Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including blended control embodimentsUS8428527Aug 30, 2006Apr 23, 2013Parkervision, Inc.RF power transmission, modulation, and amplification, including direct cartesian 2-branch embodimentsUS8433264Nov 15, 2006Apr 30, 2013Parkervision, Inc.Multiple input single output (MISO) amplifier having multiple transistors whose output voltages substantially equal the amplifier output voltageUS8447248Nov 15, 2006May 21, 2013Parkervision, Inc.RF power transmission, modulation, and amplification, including power control of multiple input single output (MISO) amplifiersUS8461924Dec 1, 2009Jun 11, 2013Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including embodiments for controlling a transimpedance nodeUS8502600Sep 1, 2011Aug 6, 2013Parkervision, Inc.Combiner-less multiple input single output (MISO) amplification with blended controlUS8548093Apr 11, 2012Oct 1, 2013Parkervision, Inc.Power amplification based on frequency control signalUS8570104Oct 18, 2010Oct 29, 2013Siemens AktiengesellschaftAmplifier assembly having controlled return of power lossUS8577313Nov 15, 2006Nov 5, 2013Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including output stage protection circuitryUS8577479 *Apr 23, 2009Nov 5, 2013Sony CorporationPower transmitting apparatus, power receiving apparatus, power transmission method, program, and power transmission systemUS8626093Jul 30, 2012Jan 7, 2014Parkervision, Inc.RF power transmission, modulation, and amplification embodimentsUS8639196Jan 14, 2010Jan 28, 2014Parkervision, Inc.Control modulesUS8755454Jun 4, 2012Jun 17, 2014Parkervision, Inc.Antenna controlUS8766717Aug 2, 2012Jul 1, 2014Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including varying weights of control signalsUS8781418Mar 21, 2012Jul 15, 2014Parkervision, Inc.Power amplification based on phase angle controlled reference signal and amplitude control signalUS8884694Jun 26, 2012Nov 11, 2014Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplificationUS8913691Aug 21, 2013Dec 16, 2014Parkervision, Inc.Controlling output power of multiple-input single-output (MISO) deviceUS8913974Jan 23, 2013Dec 16, 2014Parkervision, Inc.RF power transmission, modulation, and amplification, including direct cartesian 2-branch embodimentsUS9013239 *May 2, 2014Apr 21, 2015Crestron Electronics Inc.Audio amplifier power supply with inherent power factor correctionUS9094085May 10, 2013Jul 28, 2015Parkervision, Inc.Control of MISO nodeUS9106316May 27, 2009Aug 11, 2015Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplificationUS9106500Sep 13, 2012Aug 11, 2015Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including embodiments for error correctionUS9143088Dec 15, 2011Sep 22, 2015Parkervision, Inc.Control modulesUS9166528Jan 6, 2014Oct 20, 2015Parkervision, Inc.RF power transmission, modulation, and amplification embodimentsUS9197163Aug 13, 2013Nov 24, 2015Parkvision, Inc.Systems, and methods of RF power transmission, modulation, and amplification, including embodiments for output stage protectionUS9197164Dec 1, 2014Nov 24, 2015Parkervision, Inc.RF power transmission, modulation, and amplification, including direct cartesian 2-branch embodimentsUS9313784Feb 26, 2013Apr 12, 2016Qualcomm IncorporatedState synchronization of access routersUS9350299 *Nov 7, 2014May 24, 2016Murata Manufacturing Co., Ltd.Power supply device for high frequency power amplifying circuit and high frequency power amplifying apparatusUS9419692Apr 29, 2014Aug 16, 2016Parkervision, Inc.Antenna controlUS9444420Jun 29, 2012Sep 13, 2016Rohde & Schwarz Gmbh & Co. KgDoherty amplifier with efficiency optimizationUS9564935 *Jun 27, 2014Feb 7, 2017Fodan Co. Ltd.Linear composite transmitter utilizing composite power amplificationUS9608677Jul 13, 2015Mar 28, 2017Parker Vision, IncSystems and methods of RF power transmission, modulation, and amplificationUS9614484May 13, 2014Apr 4, 2017Parkervision, Inc.Systems and methods of RF power transmission, modulation, and amplification, including control functions to transition an output of a MISO deviceUS20030123566 *Dec 27, 2001Jul 3, 2003Jaime HassonTransmitter having a sigma-delta modulator with a non-uniform polar quantizer and methods thereofUS20030125065 *Dec 27, 2001Jul 3, 2003Ilan BarakMethod and apparatus for generating an output signalUS20030210751 *Jun 18, 2003Nov 13, 2003Ilan BarakRadio frequency transmitter and methods thereofUS20040017858 *Jul 29, 2002Jan 29, 2004Dmitriy RozenblitMirror translation loop transmitter architectureUS20040027199 *Jun 30, 2003Feb 12, 2004Icefyre Semiconductor CorporationSwitched-mode power amplifier integrally performing power combiningUS20040073786 *May 9, 2003Apr 15, 2004O'neill AlanMethod and apparatus for providing authentication, authorization and accounting to roaming nodesUS20040097213 *Nov 14, 2002May 20, 2004Nagle Pierce JosephApparatus, methods and articles of manufacture for linear signal modificationUS20040104768 *Dec 2, 2002Jun 3, 2004M/A-Com EurotecApparatus, methods and articles of manufacture for multiband signal processingUS20040105502 *Dec 3, 2002Jun 3, 2004M/A-Com, Inc.Apparatus, methods and articles of manufacture for wideband signal processingUS20040109572 *Dec 4, 2002Jun 10, 2004M/A-Com, Inc.Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processingUS20040174213 *Mar 12, 2004Sep 9, 2004Thompson Philip H.Doherty bias circuit to dynamically compensate for process and environmental variationsUS20040183593 *Feb 4, 2002Sep 23, 2004Youngwoo KwonPower amplification apparatus of portable terminalUS20040183635 *Mar 6, 2003Sep 23, 2004Tyco Electronics CorporationApparatus, methods and articles of manufacture for digital modification in electromagnetic signal processingUS20040189395 *Mar 25, 2003Sep 30, 2004M/A-Com, Eurotec BvApparatus, methods and articles of manufacture for processing an electromagnetic waveUS20040189397 *Mar 27, 2003Sep 30, 2004Ess Technology, Inc.High speed high gain amplifierUS20040263246 *Jun 24, 2003Dec 30, 2004Ian RobinsonMulti-mode multi-amplifier architectureUS20040266059 *Jun 30, 2003Dec 30, 2004Icefyre Semiconductor CorporationIntegrated circuit incorporating wire bond inductanceUS20040266365 *Jun 26, 2003Dec 30, 2004Jaime HassonTransmitterUS20050007194 *Jul 8, 2003Jan 13, 2005Icefyre Semiconductor CorporationSwitched-mode power amplifier using lumped element impedance inverter for parallel combiningUS20050017801 *Jul 23, 2003Jan 27, 2005Andrew CorporationElimination of peak clipping and improved efficiency for RF power amplifiers with a predistorterUS20050024138 *Jul 31, 2003Feb 3, 2005Andrew CorporationPredistorter for phase modulated signals with low peak to average ratiosUS20050064878 *Sep 19, 2003Mar 24, 2005O'meagher BrentMethod and system for delivering virtual reference station dataUS20050073360 *Oct 6, 2003Apr 7, 2005Andrew CorporationArchitecture and implementation methods of digital predistortion circuitryUS20050124303 *Dec 8, 2003Jun 9, 2005M/A-Com, Inc.Compensating for load pull in electromagentic signal propagation using adaptive impedance matchingUS20050129142 *Dec 15, 2003Jun 16, 2005Daniel YellinFilter for a modulator and methods thereofUS20050136864 *Dec 17, 2003Jun 23, 2005Eliav ZipperRadio frequency modulator and methods thereofUS20050162230 *Jan 28, 2004Jul 28, 2005Tran Hieu V.Multi-operational amplifier systemUS20050195031 *Apr 6, 2005Sep 8, 2005Icefyre Semiconductor CorporationSwitched mode power amplifier using lumped element impedance inverter for parallel combiningUS20050206448 *May 9, 2005Sep 22, 2005M/A-Com Eurotec, B.V.Apparatus, methods and articles of manufacture for electromagnetic processingUS20060015199 *Jul 14, 2005Jan 19, 2006Kabushiki Kaisha ToshibaAudio signal processing apparatus and audio signal processing methodUS20060132398 *Nov 18, 2005Jun 22, 2006Kim Yang WCurrent range control circuit, data driver, and organic light emitting displayUS20070057722 *Oct 31, 2006Mar 15, 2007Youngwoo KwonPower amplification apparatus of a portable terminalUS20070103236 *Mar 25, 2003May 10, 2007M/A-Com, Eurotec BvApparatus, methods and articles of manufacture for processing an electromagnetic waveUS20070120599 *Jan 11, 2007May 31, 2007Silicon Storage Technology, Inc.Multi-operational amplifier systemUS20070139105 *Jun 10, 2005Jun 21, 2007Rf Micro Devices, Inc.Doherty amplifier configuration for a collector controlled power amplifierUS20070205828 *Dec 18, 2006Sep 6, 2007Grundlingh Johan MSwitched mode power amplifier using lumped element impedance inverter for parallel combiningUS20070280374 *Jul 2, 2007Dec 6, 2007Matsushita Electric Industrial Co., Ltd.Modulation circuit device, modulation method and radio communication deviceUS20070298788 *Apr 30, 2007Dec 27, 2007Corson Mathew SProfile modification for roaming in a communications environmentUS20080001683 *Oct 11, 2006Jan 3, 2008Wight James SIntegrated circuit incorporating wire bond inductanceUS20080024211 *Jul 30, 2007Jan 31, 2008Silicon Storage Technology, Inc.Multi-Operational Amplifier SystemUS20080129386 *Feb 8, 2008Jun 5, 2008Eliav ZipperRadio frequency modulator and methods thereofUS20080207145 *Feb 26, 2008Aug 28, 2008Jaime HassonTransmitterUS20080268795 *Jul 2, 2008Oct 30, 2008Zarbana Digital Fund, LlcPredistortion circuit for a transmit systemUS20090179320 *Mar 23, 2009Jul 16, 2009James Stuart WightIntegrated circuit incorporating wire bond inductanceUS20090271047 *Apr 23, 2009Oct 29, 2009Masataka WakamatsuPower transmitting apparatus, power receiving apparatus, power transmission method, program, and power transmission systemUS20100141338 *Feb 4, 2010Jun 10, 2010Wipam, Inc.Broadband power amplifierUS20100214018 *Apr 27, 2010Aug 26, 2010Saed AryanAdaptive predistortion for a transmit systemUS20110193630 *Mar 22, 2011Aug 11, 2011Sorrells David FSystems and Methods of RF Power Transmission, Modulation, and Amplification, Including Blended Control EmbodimentsUS20140203772 *Jan 23, 2014Jul 24, 2014Korea Advanced Institute Of Science And TechnologyWireless electric power transmitterUS20140240051 *May 2, 2014Aug 28, 2014Crestron Electronics, Inc.Audio Amplifier Power Supply with Inherent Power Factor CorrectionUS20150061778 *Nov 7, 2014Mar 5, 2015Murata Manufacturing Co., Ltd.Power supply device for high frequency power amplifying circuit and high frequency power amplifying apparatusUS20160164553 *Jun 27, 2014Jun 9, 2016Hiroshi KuriharaLinear Composite Transmitter Utilizing Composite Power AmplificationUS20160241198 *Jan 20, 2016Aug 18, 2016Samsung Electro-Mechanics Co., Ltd.Input driver for power amplifier and transmitterUS20170093446 *Sep 29, 2016Mar 30, 2017Skyworks Solutions, Inc.Apparatus and methods for reducing radiated emissions from power amplifiersUSRE42447Dec 28, 2006Jun 14, 2011Zarbana Digital Fund LlcChireix architecture using low impedance amplifiersUSRE42448Aug 30, 2007Jun 14, 2011Zarbana Digital Fund LlcSwitched-mode power amplifier integrally performing power combiningUSRE42612Apr 12, 2007Aug 16, 2011Zarbana Digital Fund LlcSwitched-mode power amplifier using lumped element impedance inverter for parallel combiningUSRE46256May 24, 2013Dec 27, 2016Advanced Micro Devices, Inc.Asymmetric topology to boost low load efficiency in multi-phase switch-mode power conversionCN101785180BAug 4, 2008Dec 19, 2012维潘股份有限公司Broadband power amplifierCN102318185A *Feb 17, 2010Jan 11, 2012Nxp股份有限公司Module for modulation and amplificationCN103455069A *Sep 12, 2013Dec 18, 2013电子科技大学Broadband amplitude signal power supply modulator and modulation method thereofDE102004049019A1 *Oct 5, 2004Dec 22, 2005Fachhochschule AachenTransmitter for use in radio communication system, has two phase and frequency modulators combined by adders, where output signals of modulators are strengthened by adders over each power amplifierDE102009053622A1Nov 17, 2009May 19, 2011Siemens AktiengesellschaftVerstärkeranordnung mit gesteuerter Rückführung von VerlustleistungDE102009053622B4 *Nov 17, 2009Nov 13, 2014Siemens AktiengesellschaftVerstärkeranordnung mit gesteuerter Rückführung von VerlustleistungEP2188890A2 *Aug 4, 2008May 26, 2010Wipam, Inc.Broadband power amplifierEP2188890A4 *Aug 4, 2008Dec 29, 2010Wipam IncBroadband power amplifierEP2388912A1 *May 3, 2011Nov 23, 2011Nxp B.V.Power control of reconfigurable outphasing Chireix amplifiers and methodsEP2840709A1 *Aug 22, 2013Feb 25, 2015Telefonaktiebolaget L M Ericsson (publ)Amplifier and method of amplificationWO2002060072A2 *Jan 13, 2002Aug 1, 2002D.S.P.C. Technologies Ltd.Radio frequency transmitter and methods thereofWO2002060072A3 *Jan 13, 2002Apr 17, 2003Ilan BarakRadio frequency transmitter and methods thereofWO2003047093A1 *Oct 29, 2002Jun 5, 2003Telefonaktiebolaget Lm EricssonComposite amplifierWO2004012411A1 *Jul 17, 2003Feb 5, 2004Skyworks Solutions, Inc.Mirror translation loop transmitter architectureWO2009020325A2Aug 4, 2008Feb 12, 2009Wipam, Inc.Broadband power amplifierWO2010095100A3 *Feb 17, 2010Dec 29, 2010Nxp B.V.Module for modulation and amplificationWO2011061025A1Oct 18, 2010May 26, 2011Siemens AktiengesellschaftAmplifier assembly having controlled return of power lossWO2013001059A3 *Jun 29, 2012Mar 14, 2013Rohde & Schwarz Gmbh & Co. KgDoherty amplifier with optimised efficiency* Cited by examinerClassifications U.S. Classification330/127, 330/124.00RInternational ClassificationH03F3/04, H02M3/158, H03F1/02, H03G3/00, H03F3/68, H03F, H03F1/32, H04L27/20, H03F3/217, H03F3/189Cooperative ClassificationH03F2200/543, H03F1/0288, H03G3/004, H03F2200/504, H03F1/0227, H03F2200/331, H03G3/3042, H03F2200/336, H03F2200/432, H03F2200/324, H03F2200/198, H03F2203/21142, H03F1/0294, H03F3/211, H03F2200/516, H03F3/602, H02M3/1582, H03F2200/537, H03F2200/541European ClassificationH02M3/158B, H03F1/02T5, H03F1/02T1C1K, H03F1/02T6, H03G3/30D2, H03F3/21C, H03F3/60C, H03G3/00PLegal EventsDateCodeEventDescriptionAug 17, 2000ASAssignmentOwner name: ERICSSON INC., NORTH CAROLINAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DENT, PAUL WILKINSON;CAMP, WILLIAM O., JR.;REEL/FRAME:011026/0049;SIGNING DATES FROM 20000808 TO 20000811Mar 4, 2005FPAYFee paymentYear of fee payment: 4Mar 4, 2009FPAYFee paymentYear of fee payment: 8Mar 4, 2013FPAYFee paymentYear of fee payment: 12RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services