Inventor · disambiguated record
Ragnar H. Jonsson
Also filed as: JOENSSON RAGNAR · JONSSON RAGNAR · JONSSON RAGNAR H · JONSSON RAGNAR HLYNUR
50 granted patents·7 pending applications·1,478 citations·filing 1980–2025
98Inventor score
Files withMARVELL ASIA PTE LTD14JONSSON RAGNAR H7MINDSPEED TECH INC7CONEXANT SYSTEMS INC6JOENSSON RAGNAR4
Top patents by PatentIndex Score
57 records- 0199US6934655B2Method and apparatus for transmission line analysisMINDSPEED TECH INC·Filed 2001·Granted Aug 23, 2005·293 cites·14 claims
- 0295US6697768B2Adaptive method and apparatus for transmission line analysisMINDSPEED TECHNOLOGIES·Filed 2002·Granted Feb 24, 2004·100 cites·31 claims
- 0394US8634569B2Systems and methods for echo cancellation and echo suppressionLU YOUHONG·Filed 2010·Granted Jan 21, 2014·40 cites·33 claims
- 0494US8477394B2Systems and methods for color defringingJONSSON RAGNAR H·Filed 2010·Granted Jul 2, 2013·24 cites·23 claims
- 0593US11677595B2Equalization in high-speed data channel having sparse impulse responseMARVELL ASIA PTE LTD·Filed 2021·Granted Jun 13, 2023·3 cites·20 claims
- 0693US6829293B2Method and apparatus for line probe signal processingMINDSPEED TECH INC·Filed 2001·Granted Dec 7, 2004·97 cites·38 claims
- 0793US6208643B1Apparatus and method for analyzing bitstreamsSARNOFF CORP·Filed 1997·Granted Mar 27, 2001·167 cites·28 claims
- 0890US6693992B2Line probe signal and method of useMINDSPEED TECHNOLOGIES·Filed 2001·Granted Feb 17, 2004·77 cites·7 claims
- 0989US4947309AMethod and means for controlling a bridge circuitJONSSON RAGNAR·Filed 1989·Granted Aug 7, 1990·67 cites·10 claims
- 1084US11943005B2Network using asymmetric uplink and downlink baud rates to reduce crosstalkMARVELL ASIA PTE LTD·Filed 2021·Granted Mar 26, 2024·1 cites·30 claims
- 1184US8983092B2Waveform shaping system to prevent electrical and mechanical saturation in loud speakersTHORMUNDSSON TRAUSTI·Filed 2011·Granted Mar 17, 2015·8 cites·20 claims
- 1284US6226041B1Logo insertion using only disposable framesSARNOFF CORP·Filed 1998·Granted May 1, 2001·82 cites·24 claims
- 1384US5986712AHybrid global/local bit rate controlTHOMSON CONSUMER ELECTRONICS·Filed 1998·Granted Nov 16, 1999·105 cites·12 claims
- 1483US9060217B2Audio driver system and methodTHORMUNDSSON TRAUSTI·Filed 2011·Granted Jun 16, 2015·9 cites·19 claims
- 1582US8638953B2Systems and methods for generating phantom bassJONSSON RAGNAR H·Filed 2010·Granted Jan 28, 2014·8 cites·19 claims
- 1681US8872678B2Systems and methods for variable rate conversionJONSSON RAGNAR H·Filed 2012·Granted Oct 28, 2014·5 cites·20 claims
- 1779US6928107B1Iterative precoding system and method for resource limited data transceiversMINDSPEED TECH INC·Filed 2000·Granted Aug 9, 2005·30 cites·29 claims
- 1878US6028639AProcess and apparatus for converting an MPEG-2 bitstream into SMPTE-259 compatible bitstreamTHOMSON CONSUMER ELECTRONICS·Filed 1997·Granted Feb 22, 2000·62 cites·11 claims
- 1976US6373530B1Logo insertion based on constrained encodingSARNOFF CORP·Filed 1998·Granted Apr 16, 2002·58 cites·22 claims
- 2075US9473865B2Integrated motion detection using changes in acoustic echo pathCONEXANT SYSTEMS INC·Filed 2013·Granted Oct 18, 2016·5 cites·20 claims
- 2175US9124219B2Audio driver system and methodTHORMUNDSSON TRAUSTI·Filed 2011·Granted Sep 1, 2015·5 cites·18 claims
- 2275US5294876AMethod and apparatus for controlling an AC induction motor by indirect measurement of the air-gap voltageJOENSSON RAGNAR·Filed 1991·Granted Mar 15, 1994·37 cites·20 claims
- 2372US9426279B2Systems and methods for echo cancellation and echo suppressionCONEXANT SYSTEMS INC·Filed 2014·Granted Aug 23, 2016·2 cites·13 claims
- 2472US7698577B2Communication system activationMINDSPEED TECH INC·Filed 2006·Granted Apr 13, 2010·4 cites·29 claims
- 2571US12021670B2Equalization in high-speed data channel having sparse impulse responseMARVELL ASIA PTE LTD·Filed 2023·Granted Jun 25, 2024·0 cites·22 claims
- 2671US9654866B2System and method for dynamic range compensation of distortionCONEXANT SYSTEMS INC·Filed 2013·Granted May 16, 2017·3 cites·18 claims
- 2769US6885954B2Sequence time domain reflectometry using complementary golay codesMINDSPEED TECH INC·Filed 2003·Granted Apr 26, 2005·14 cites·6 claims
- 2869US2025211283A1Link Training for a Full-Duplex Ethernet LinkMARVELL ASIA PTE LTD·Filed 2025·Application pending·0 cites
- 2968US12267122B2Link training for a full-duplex ethernet linkMARVELL ASIA PTE LTD·Filed 2022·Granted Apr 1, 2025·0 cites·16 claims
- 3067US11030989B2Methods and systems for end-user tuning of an active noise cancelling audio deviceSYNAPTICS INC·Filed 2017·Granted Jun 8, 2021·1 cites·20 claims
- 3167US6414990B1Timing recovery for a high speed digital data communication system based on adaptive equalizer impulse response characteristicsCONEXANT SYSTEMS INC·Filed 1998·Granted Jul 2, 2002·58 cites·24 claims
- 3266US6940736B2Multiple switch circuit with limited switch frequencyFiled 2002·Granted Sep 6, 2005·19 cites·17 claims
- 3364US6947857B2Optical sequence time domain reflectometry during data transmissionMINDSPEED TECH INC·Filed 2003·Granted Sep 20, 2005·9 cites·17 claims
- 3464US2025317313A1Energy efficient ethernet (eee) operationMARVELL ASIA PTE LTD·Filed 2025·Application pending·0 cites
- 3562US8587974B2Method and device for increasing control accuracy in a PWM systemJONSSON RAGNAR·Filed 2009·Granted Nov 19, 2013·9 cites·17 claims
- 3661US12314110B1Energy efficient ethernet (EEE) operationMARVELL ASIA PTE LTD·Filed 2023·Granted May 27, 2025·0 cites·20 claims
- 3761US8253610B2Systems and methods for variable rate conversionJONSSON RAGNAR H·Filed 2011·Granted Aug 28, 2012·1 cites·12 claims
- 3860US8665498B2Method and system for automatically detecting and processing halftone regions in scanned documentsJONSSON RAGNAR H·Filed 2010·Granted Mar 4, 2014·1 cites·20 claims
- 3958US6434233B1Method and apparatus for canceling periodic interference signals in a digital data communication systemCONEXANT SYSTEMS INC·Filed 1998·Granted Aug 13, 2002·45 cites·32 claims
- 4057US12335056B2Energy efficient ethernet (EEE) operationMARVELL ASIA PTE LTD·Filed 2023·Granted Jun 17, 2025·0 cites·20 claims
- 4156US2024388471A1Vehicle PHY configuration depending on cable lengthMARVELL ASIA PTE LTD·Filed 2024·Application pending·0 cites
- 4254US4458193AMethod and apparatus for controlling an AC induction motorJOENSSON RAGNAR·Filed 1980·Granted Jul 3, 1984·12 cites·2 claims
- 4354US2025274209A1Cooperative time-division duplexing using pre-alert signalingMARVELL ASIA PTE LTD·Filed 2025·Application pending·0 cites
- 4453US9081657B2Apparatus and method for abstract memory addressingTHORVALDSSON VILHJALMUR S·Filed 2011·Granted Jul 14, 2015·1 cites·20 claims
- 4552US11848721B2Method and apparatus for cancelling echo signals having different dynamic rangesMARVELL ASIA PTE LTD·Filed 2022·Granted Dec 19, 2023·0 cites·20 claims
- 4651US7920078B2Systems and methods for variable rate conversionCONEXANT SYSTEMS INC·Filed 2009·Granted Apr 5, 2011·1 cites·15 claims
- 4751US7187713B2Method and apparatus for intelligent modem warm startMINDSPEED TECH INC·Filed 2002·Granted Mar 6, 2007·1 cites·34 claims
- 4851US2025274256A1Full-duplex scheme for asymmetric communication links using zero-disparity modulationMARVELL ASIA PTE LTD·Filed 2025·Application pending·0 cites
- 4949US12199692B2Network optimization for mitigation of crosstalk between network linksMARVELL ASIA PTE LTD·Filed 2022·Granted Jan 14, 2025·0 cites·20 claims
- 5049US7098630B2Control means and methods for a transistor switch circuitJOENSSON RAGNAR·Filed 2002·Granted Aug 29, 2006·8 cites·6 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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