Assignee
SIGMA DESIGNS INC
US·42 granted patents·6 pending applications·1,022 citations·filing 1992–2016
Top patents by PatentIndex Score
48 records- 0194US6654956B1Method, apparatus and computer program product for synchronizing presentation of digital video data with serving of digital video dataSIGMA DESIGNS INC·Filed 2000·Granted Nov 25, 2003·196 cites·27 claims
- 0293US9954692B2Method for triggered activation of an actuatorSIGMA DESIGNS INC·Filed 2016·Granted Apr 24, 2018·11 cites·11 claims
- 0392US7034464B1Generating light from electromagnetic energySIGMA DESIGNS INC·Filed 2002·Granted Apr 25, 2006·73 cites·56 claims
- 0490US6184936B1Multi-function USB capture chip using bufferless data compressionSIGMA DESIGNS INC·Filed 1997·Granted Feb 6, 2001·103 cites·2 claims
- 0586US5515107AMethod of encoding a stream of motion picture dataSIGMA DESIGNS INC·Filed 1994·Granted May 7, 1996·106 cites·8 claims
- 0685US7551907B2Digital automatic gain control with parallel/serial interface for multiple antenna ultra wideband OFDM systemSIGMA DESIGNS INC·Filed 2006·Granted Jun 23, 2009·20 cites·18 claims
- 0785US6275263B1Multi-function USB video capture chip using bufferless data compressionSIGMA DESIGNS INC·Filed 2000·Granted Aug 14, 2001·31 cites·7 claims
- 0885US5404437AMixing of computer graphics and animation sequencesSIGMA DESIGNS INC·Filed 1992·Granted Apr 4, 1995·61 cites·18 claims
- 0983US9001653B2Node repair in a mesh networkSIGMA DESIGNS INC·Filed 2013·Granted Apr 7, 2015·5 cites·20 claims
- 1081US7379010B2Extension of accuracy of a flash ADC by 1-bit through interpolation of comparator outputsSIGMA DESIGNS INC·Filed 2006·Granted May 27, 2008·11 cites·8 claims
- 1178US7804917B2Clear channel assessment method and system for ultra wideband OFDMSIGMA DESIGNS INC·Filed 2006·Granted Sep 28, 2010·9 cites·13 claims
- 1271US7286513B2Wireless switch for use in wireless communicationsSIGMA DESIGNS INC·Filed 2003·Granted Oct 23, 2007·15 cites·13 claims
- 1371US6614486B2Multi-function USB video capture chip using bufferless data compressionSIGMA DESIGNS INC·Filed 2001·Granted Sep 2, 2003·13 cites·18 claims
- 1468US7561092B2Extension of accuracy of a flash ADC by 1-bit through interpolation of comparator outputsSIGMA DESIGNS INC·Filed 2008·Granted Jul 14, 2009·5 cites·10 claims
- 1568US5790881AComputer system including coprocessor devices simulating memory interfacesSIGMA DESIGNS INC·Filed 1995·Granted Aug 4, 1998·55 cites·18 claims
- 1666US5528309AAnalog video chromakey mixerSIGMA DESIGNS INC·Filed 1994·Granted Jun 18, 1996·21 cites·28 claims
- 1765US7542516B2Synchronization method for symbol boundary detection in UWB-OFDMSIGMA DESIGNS INC·Filed 2005·Granted Jun 2, 2009·3 cites·19 claims
- 1865US5615401AVideo and audio data presentation interfaceSIGMA DESIGNS INC·Filed 1994·Granted Mar 25, 1997·49 cites·14 claims
- 1964US7907215B2Video enhancement systems and methodsSIGMA DESIGNS INC·Filed 2006·Granted Mar 15, 2011·3 cites·62 claims
- 2063US7986736B2Ultra wideband baseband chip with intelligent array radio and method of use thereofSIGMA DESIGNS INC·Filed 2006·Granted Jul 26, 2011·3 cites·17 claims
- 2161US7570304B1Method, apparatus and computer program product for synchronizing presentation of digital video data with serving of digital video dataSIGMA DESIGNS INC·Filed 2003·Granted Aug 4, 2009·6 cites·37 claims
- 2261US5719511ACircuit for generating an output signal synchronized to an input signalSIGMA DESIGNS INC·Filed 1996·Granted Feb 17, 1998·22 cites·27 claims
- 2360US7624327B2Fast decoder and method for front end of convolutionally encoded information streamSIGMA DESIGNS INC·Filed 2006·Granted Nov 24, 2009·4 cites·18 claims
- 2460US6501512B2Method and apparatus for automatic calibration of analog video chromakey mixerSIGMA DESIGNS INC·Filed 2001·Granted Dec 31, 2002·4 cites·19 claims
- 2560US6275269B1Method and apparatus for automatic calibration of analog video chromakey mixerSIGMA DESIGNS INC·Filed 2000·Granted Aug 14, 2001·4 cites·1 claims
- 2660US6128726AAccurate high speed digital signal processorSIGMA DESIGNS INC·Filed 1996·Granted Oct 3, 2000·43 cites·5 claims
- 2759US7508938B1Method and apparatus for generating and using a tamper-resistant encryption keySIGMA DESIGNS INC·Filed 2004·Granted Mar 24, 2009·7 cites·18 claims
- 2859US7433414B2Intelligent array radio architectureSIGMA DESIGNS INC·Filed 2004·Granted Oct 7, 2008·5 cites·21 claims
- 2957US6084909AMethod of encoding a stream of motion picture dataSIGMA DESIGNS INC·Filed 1997·Granted Jul 4, 2000·26 cites·3 claims
- 3054US6427203B1Accurate high speed digital signal processorSIGMA DESIGNS INC·Filed 2000·Granted Jul 30, 2002·4 cites·5 claims
- 3154US6175880B1Sound board emulation using digital signal processorSIGMA DESIGNS INC·Filed 1998·Granted Jan 16, 2001·22 cites·13 claims
- 3254US5821947AMixing of computer graphics and animation sequencesSIGMA DESIGNS INC·Filed 1996·Granted Oct 13, 1998·16 cites·19 claims
- 3353US6412024B1Sound board emulation using digital signal processorSIGMA DESIGNS INC·Filed 2000·Granted Jun 25, 2002·3 cites·25 claims
- 3452US5818468ADecoding video signals at high speed using a memory bufferSIGMA DESIGNS INC·Filed 1996·Granted Oct 6, 1998·18 cites·18 claims
- 3550US8019979B2Efficient implementation of branch intensive algorithms in VLIW and superscalar processorsSIGMA DESIGNS INC·Filed 2007·Granted Sep 13, 2011·1 cites·15 claims
- 3646US2015187209A1Method and system for synchronization and remote control of controlling unitsSIGMA DESIGNS INC·Filed 2015·Application pending·0 cites
- 3739US6675297B1Method and apparatus for generating and using a tamper-resistant encryption keySIGMA DESIGNS INC·Filed 1999·Granted Jan 6, 2004·12 cites·12 claims
- 3839US5598576AAudio output device having digital signal processor for responding to commands issued by processor by emulating designated functions according to common command interfaceSIGMA DESIGNS INC·Filed 1994·Granted Jan 28, 1997·9 cites·13 claims
- 3939US2013219482A1Method for uniquely addressing a group of network units in a sub-networkSIGMA DESIGNS INC·Filed 2013·Application pending·0 cites
- 4035US6124897AMethod and apparatus for automatic calibration of analog video chromakey mixerSIGMA DESIGNS INC·Filed 1996·Granted Sep 26, 2000·4 cites·27 claims
- 4134US6687770B1Controlling consumption of time-stamped information by a buffered systemSIGMA DESIGNS INC·Filed 1999·Granted Feb 3, 2004·6 cites·20 claims
- 4234US5797029ASound board emulation using digital signal processor using data word to determine which operation to perform and writing the result into read communication areaSIGMA DESIGNS INC·Filed 1997·Granted Aug 18, 1998·5 cites·20 claims
- 4333US6448825B1Synchronizing to an input signalSIGMA DESIGNS INC·Filed 1998·Granted Sep 10, 2002·5 cites·37 claims
- 4433US2017374243A1Method of reducing latency in a screen mirroring application and a circuit of the sameSIGMA DESIGNS INC·Filed 2016·Application pending·0 cites
- 4532US6690834B1Compression of pixel dataSIGMA DESIGNS INC·Filed 1999·Granted Feb 10, 2004·3 cites·40 claims
- 4632US2017223382A1Method of reducing latency and a video decoder of the sameSIGMA DESIGNS INC·Filed 2016·Application pending·0 cites
- 4730US2015131485A1Mapping connected devices in a home area network to ip addresses in a local area networkSIGMA DESIGNS INC·Filed 2015·Application pending·0 cites
- 4830US2015117462A1Method for encapsulating a messageSIGMA DESIGNS INC·Filed 2015·Application pending·0 cites
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