Inventor · disambiguated record
Robert Tso
Also filed as: TSO ROBERT
38 granted patents·3 pending applications·625 citations·filing 1992–2020
98Inventor score
Top patents by PatentIndex Score
41 records- 0197US10609344B1Audio/video recording and communication doorbell devices including transistor assemblies, and associated systems and methodsAMAZON TECH INC·Filed 2018·Granted Mar 31, 2020·19 cites·20 claims
- 0297US6961019B1Method and apparatus for reducing GPS receiver jamming during transmission in a wireless receiverSIRF TECH INC·Filed 2001·Granted Nov 1, 2005·134 cites·20 claims
- 0396US10529206B2Security devices and associated audio/video communication methodsAMAZON TECH INC·Filed 2018·Granted Jan 7, 2020·14 cites·21 claims
- 0495US10270971B2Low-power-consumption audio/video recording and communication doorbellRING LLC·Filed 2017·Granted Apr 23, 2019·9 cites·20 claims
- 0595US10070058B2Low-power-consumption audio/video recording and communication doorbellRING INC·Filed 2017·Granted Sep 4, 2018·10 cites·32 claims
- 0694US10304296B2Doorbell sound output device controllers, doorbell switches, and associated systems and methodsRING INC·Filed 2018·Granted May 28, 2019·9 cites·19 claims
- 0794US9819867B2Low-power-consumption audio/video recording and communication doorbellBOT HOME AUTOMATION INC·Filed 2017·Granted Nov 14, 2017·9 cites·20 claims
- 0894US6675003B1L1/L2 GPS receiverSIRF TECH INC·Filed 2000·Granted Jan 6, 2004·58 cites·30 claims
- 0993US10418672B2Combination heatsink and battery heater for electronic devicesRING INC·Filed 2017·Granted Sep 17, 2019·11 cites·22 claims
- 1092US10638097B1Audio/video recording and communication doorbell devicesAMAZON TECH INC·Filed 2018·Granted Apr 28, 2020·7 cites·20 claims
- 1191US6856794B1Monolithic GPS RF front end integrated circuitSIRF TECH INC·Filed 2001·Granted Feb 15, 2005·45 cites·21 claims
- 1288US11647165B1Audio/video recording and communication doorbell devices including transistor assemblies, and associated systems and methodsAMAZON TECH INC·Filed 2020·Granted May 9, 2023·2 cites·23 claims
- 1386US6931233B1GPS RF front end IC with programmable frequency synthesizer for use in wireless phonesSIRF TECH INC·Filed 2001·Granted Aug 16, 2005·55 cites·3 claims
- 1485US5917383ACompact voltage controlled ring oscillator with quadrature outputsSIRF TECH INC·Filed 1997·Granted Jun 29, 1999·57 cites·8 claims
- 1584US7047023B1GPS RF front end IC with frequency plan for improved integrabilitySIRF TECH INC·Filed 2001·Granted May 16, 2006·24 cites·6 claims
- 1682US5990815AMonolithic circuit and method for adding a randomized dither signal to the fine quantizer element of a subranging analog-to digital converter (ADC)RAYTHEON CO·Filed 1997·Granted Nov 23, 1999·54 cites·19 claims
- 1781US10834366B1Audio/video recording and communication doorbell devices with power control circuitryAMAZON TECH INC·Filed 2018·Granted Nov 10, 2020·7 cites·20 claims
- 1880US10999505B2Low-power-consumption audio/video recording and communication doorbellAMAZON TECH INC·Filed 2020·Granted May 4, 2021·1 cites·16 claims
- 1979US10939040B2Low-power-consumption audio/video recording and communication doorbellAMAZON TECH INC·Filed 2019·Granted Mar 2, 2021·1 cites·17 claims
- 2079US10554887B2Low-power-consumption audio/video recording and communication doorbellAMAZON TECH INC·Filed 2018·Granted Feb 4, 2020·1 cites·20 claims
- 2172US11417184B2Security devices and associated audio/video communication methodsAMAZON TECH INC·Filed 2019·Granted Aug 16, 2022·1 cites·20 claims
- 2269US7035613B2L1/L2 GPS receiverSIRF TECH INC·Filed 2003·Granted Apr 25, 2006·19 cites·13 claims
- 2366US7751791B2L1/L2 GPS receiverSIRF TECH INC·Filed 2006·Granted Jul 6, 2010·2 cites·5 claims
- 2464US7933627B2GPS RF front end IC with frequency plan for improved integrabilitySIRF TECH INC·Filed 2006·Granted Apr 26, 2011·2 cites·19 claims
- 2563US5729576AInterference canceling receiverHUGHES AIRCRAFT CO·Filed 1996·Granted Mar 17, 1998·32 cites·16 claims
- 2657US7639724B2RF converter with multiple mode frequency synthesizer compatible with a 48 Fo GPS baseband processorSIRF TECH INC·Filed 2002·Granted Dec 29, 2009·13 cites·11 claims
- 2757US2019372180A1Combination Heatsink and Battery Heater for Electronic DevicesAMAZON TECH INC·Filed 2019·Application pending·0 cites
- 2856US10672237B2Doorbell sound output device controllers, doorbell switches, and associated systems and methodsAMAZON TECH INC·Filed 2019·Granted Jun 2, 2020·0 cites·17 claims
- 2956US8144810B2Serial radio frequency to baseband interface with programmable clockGRONEMEYER STEVE·Filed 2003·Granted Mar 27, 2012·5 cites·37 claims
- 3055US11102457B1Audio/video recording and communication doorbell devicesAMAZON TECH INC·Filed 2020·Granted Aug 24, 2021·0 cites·20 claims
- 3155US7512385B2GPS RF front end IC with programmable frequency synthesizer for use in wireless phonesSIRF TECH INC·Filed 2005·Granted Mar 31, 2009·2 cites·12 claims
- 3253US7634025B2Serial radio frequency to baseband interface with programmable clockSIRF TECH INC·Filed 2004·Granted Dec 15, 2009·3 cites·20 claims
- 3347US11082591B2Solar-charging mounting bracket for audio/video recording and communication devicesRING INC·Filed 2018·Granted Aug 3, 2021·0 cites·20 claims
- 3446US2006055594A1Method and apparatus for reducing GPS receiver jamming during transmission in a wireless receiverMCCONNELL RICHARD J·Filed 2005·Application pending·0 cites
- 3545US7616705B1Monolithic GPS RF front end integrated circuitSIRF TECHNOLOGY HOLDINGS INC·Filed 2001·Granted Nov 10, 2009·4 cites·12 claims
- 3645US7388939B2Fractional-R frequency synthesizerSIRF TECH INC·Filed 2002·Granted Jun 17, 2008·4 cites·23 claims
- 3745US5382848ADigital integrated time of arrival detectorHUGHES AIRCRAFT CO·Filed 1992·Granted Jan 17, 1995·7 cites·19 claims
- 3842US7369830B2Monolithic GPS RF front end integrated circuitSIRF TECH INC·Filed 2004·Granted May 6, 2008·2 cites·15 claims
- 3940US2017280565A1Jumpers for pcb design and assemblyBOT HOME AUTOMATION INC·Filed 2017·Application pending·0 cites
- 4034US8903348B2Serial radio frequency to baseband interface with power controlGRONEMEYER STEVE·Filed 2003·Granted Dec 2, 2014·1 cites·1 claims
- 4130US5313171AHigh speed, low distortion amplifier design and methodHUGHES AIRCRAFT CO·Filed 1992·Granted May 17, 1994·1 cites·20 claims
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