Inventor · disambiguated record
Michael A. Ramalho
Also filed as: RAMALHO MICHAEL · RAMALHO MICHAEL A · RAMALHO MICHAEL ANTHONY
63 granted patents·3 pending applications·306 citations·filing 1996–2021
98Inventor score
Top patents by PatentIndex Score
66 records- 0193US10141973B1Endpoint proximity pairing using acoustic spread spectrum token exchange and ranging informationCISCO TECH INC·Filed 2017·Granted Nov 27, 2018·12 cites·20 claims
- 0290US10003377B1Spread spectrum acoustic communication techniquesCISCO TECH INC·Filed 2016·Granted Jun 19, 2018·9 cites·20 claims
- 0390US8655156B2Auxiliary audio transmission for preserving synchronized playout with paced-down videoBEGEN ALI C·Filed 2010·Granted Feb 18, 2014·10 cites·20 claims
- 0489US9237226B2Controlling echo in a wideband voice conferenceCISCO TECH INC·Filed 2014·Granted Jan 12, 2016·11 cites·20 claims
- 0588US7284068B1Technique for providing multi-homing capability in data networksCISCO TECH INC·Filed 2002·Granted Oct 16, 2007·61 cites·25 claims
- 0686US10825460B1Audio fingerprinting for meeting servicesCISCO TECH INC·Filed 2019·Granted Nov 3, 2020·6 cites·20 claims
- 0784US9591148B2Detecting proximity of devices based on transmission of inaudible sound signatures in the speech bandCISCO TECH INC·Filed 2015·Granted Mar 7, 2017·6 cites·18 claims
- 0884US7929422B2Method of moving a transport connection among network hostsCISCO TECH INC·Filed 2005·Granted Apr 19, 2011·13 cites·40 claims
- 0983US6999763B2Multiple personality telephony devicesCISCO TECH IND·Filed 2003·Granted Feb 14, 2006·29 cites·25 claims
- 1081US8300667B2Buffer expansion and contraction over successive intervals for network devicesBEGEN ALI C·Filed 2010·Granted Oct 30, 2012·5 cites·20 claims
- 1180US10530417B2Spread spectrum acoustic communication techniquesCISCO TECH INC·Filed 2018·Granted Jan 7, 2020·3 cites·20 claims
- 1280US10284484B1Accelerated ramp up for delay-based rate adaptationCISCO TECH INC·Filed 2015·Granted May 7, 2019·4 cites·18 claims
- 1380US9426335B2Preserving synchronized playout of auxiliary audio transmissionCISCO TECH INC·Filed 2014·Granted Aug 23, 2016·3 cites·20 claims
- 1478US8238548B2Controlling echo during double-talk in a voice conferenceFRAUENTHAL JAMES C·Filed 2008·Granted Aug 7, 2012·7 cites·26 claims
- 1577US9948561B2Setting delay precedence on queues before a bottleneck link based on flow characteristicsCISCO TECH INC·Filed 2015·Granted Apr 17, 2018·3 cites·20 claims
- 1677US8116776B1Mobile communication handoff between heterogeneous networksJAGADEESAN RAMANATHAN T·Filed 2004·Granted Feb 14, 2012·24 cites·37 claims
- 1776US10601459B1Efficient handling of clock offset in spread spectrum decodersCISCO TECH INC·Filed 2018·Granted Mar 24, 2020·2 cites·20 claims
- 1876US9667686B2System and method for improving audio quality during web conferences over low-speed network connectionsCISCO TECH INC·Filed 2014·Granted May 30, 2017·4 cites·17 claims
- 1974US10630749B2Timely delivery of real-time media problem when TCP must be usedCISCO TECH INC·Filed 2015·Granted Apr 21, 2020·3 cites·20 claims
- 2074US9351024B2Managing the bandwidth of a communication sessionCISCO TECH INC·Filed 2014·Granted May 24, 2016·2 cites·14 claims
- 2173US7483701B2System and method for handling media in a seamless handoff environmentCISCO TECH INC·Filed 2005·Granted Jan 27, 2009·5 cites·19 claims
- 2272US8428247B2Echo mitigation in a conference callFRAUENTHAL JAMES C·Filed 2008·Granted Apr 23, 2013·3 cites·13 claims
- 2370US9363480B2Obtaining replay of audio during a conference sessionCISCO TECH INC·Filed 2014·Granted Jun 7, 2016·2 cites·21 claims
- 2470US7602817B2Low deviation field modulation for transfer of informationCISCO TECH INC·Filed 2007·Granted Oct 13, 2009·4 cites·20 claims
- 2569US7328015B2Multiple personality telephony devicesCISCO TECH INC·Filed 2005·Granted Feb 5, 2008·3 cites·19 claims
- 2668US8582465B2System and method for facilitating network performance analysisRAMALHO MICHAEL A·Filed 2011·Granted Nov 12, 2013·2 cites·24 claims
- 2768US7930386B2Network discovery and dynamic adaptation of insufficient QoS resourcesCISCO TECH INC·Filed 2007·Granted Apr 19, 2011·4 cites·21 claims
- 2867US11164577B2Conversation aware meeting promptsCISCO TECH INC·Filed 2019·Granted Nov 2, 2021·1 cites·20 claims
- 2967US7814151B2Wirelessly-enabled identification of digital media generated at an eventCISCO TECH INC·Filed 2007·Granted Oct 12, 2010·3 cites·13 claims
- 3066US10354660B2Audio frame labeling to achieve unequal error protection for audio frames of unequal importanceCISCO TECH INC·Filed 2017·Granted Jul 16, 2019·1 cites·20 claims
- 3166US9083776B2Echo mitigation in a conference callCISCO TECH INC·Filed 2013·Granted Jul 14, 2015·1 cites·21 claims
- 3266US8929263B2Echo mitigation in the presence of variable delays due to adaptive jitter buffersCISCO TECH INC·Filed 2013·Granted Jan 6, 2015·2 cites·20 claims
- 3366US8838828B2Managing the bandwidth of a communication sessionRAMALHO MICHAEL A·Filed 2011·Granted Sep 16, 2014·2 cites·12 claims
- 3466US7633879B2Method and apparatus for discovering the incoming media path for an internet protocol media sessionCISCO TECH INC·Filed 2004·Granted Dec 15, 2009·10 cites·22 claims
- 3566US7408918B1Methods and apparatus for lossless compression of delay sensitive signalsCISCO TECH INC·Filed 2002·Granted Aug 5, 2008·13 cites·30 claims
- 3665US8948058B2System and method for improving audio quality during web conferences over low-speed network connectionsRAMALHO MICHAEL A·Filed 2012·Granted Feb 3, 2015·2 cites·17 claims
- 3764US9025779B2System and method for using endpoints to provide sound monitoringRAMALHO MICHAEL A·Filed 2011·Granted May 5, 2015·2 cites·20 claims
- 3864US8462675B2Echo mitigation in the presence of variable delays due to adaptive jitter buffersSKRABUTENAS GARY ALAN·Filed 2010·Granted Jun 11, 2013·2 cites·19 claims
- 3964US8126160B2Use of non-audible band to relay information for echo cancellation in a distributed media systemFRAUENTHAL JAMES C·Filed 2008·Granted Feb 28, 2012·1 cites·11 claims
- 4063US7852999B2Classifying signals at a conference bridgeCISCO TECH INC·Filed 2005·Granted Dec 14, 2010·1 cites·11 claims
- 4162US8484331B2Real time protocol packet tunnelingWING DANIEL G·Filed 2010·Granted Jul 9, 2013·1 cites·20 claims
- 4260USRE49288EEndpoint proximity pairing using acoustic spread spectrum token exchange and ranging informationCISCO TECH INC·Filed 2020·Granted Nov 8, 2022·0 cites·26 claims
- 4360US11005521B2Efficient handling of clock offset in spread spectrum decodersCISCO TECH INC·Filed 2020·Granted May 11, 2021·0 cites·20 claims
- 4459US11488612B2Audio fingerprinting for meeting servicesCISCO TECH INC·Filed 2020·Granted Nov 1, 2022·0 cites·16 claims
- 4559US8018917B2System and method for facilitating network performance analysisCISCO TECH INC·Filed 2005·Granted Sep 13, 2011·1 cites·29 claims
- 4657US11641387B2Timely delivery of real-time media problem when TCP must be usedCISCO TECH INC·Filed 2020·Granted May 2, 2023·0 cites·8 claims
- 4757US11228402B2Techniques for informing communications networks of desired packet transport treatmentCISCO TECH INC·Filed 2020·Granted Jan 18, 2022·0 cites·20 claims
- 4855US2020195297A1Spread spectrum acoustic communication techniquesCISCO TECH INC·Filed 2019·Application pending·0 cites
- 4954US8923509B2Controlling echo in a wideband voice conferenceFRAUENTHAL JAMES C·Filed 2007·Granted Dec 30, 2014·0 cites·26 claims
- 5054US8600750B2Speaker-cluster dependent speaker recognition (speaker-type automated speech recognition)RAMALHO MICHAEL A·Filed 2010·Granted Dec 3, 2013·1 cites·20 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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