Assignee
SPREADTRUM COMM CORP
US·13 granted patents·9 pending applications·78 citations·filing 2002–2007
Top patents by PatentIndex Score
22 records- 0179US7158795B2Dummy PCH block detection for power saving in GSM handsetSPREADTRUM COMM CORP·Filed 2004·Granted Jan 2, 2007·34 cites·14 claims
- 0258US7327208B2Printed circuit board including a notch filter for attenuating radio frequency interferenceSPREADTRUM COMM CORP·Filed 2005·Granted Feb 5, 2008·2 cites·13 claims
- 0357US7110478B2Phase difference based frequency correction channel detector for wireless communication systemSPREADTRUM COMM CORP·Filed 2002·Granted Sep 19, 2006·5 cites·20 claims
- 0456US7200194B2Receiver signal dynamic range compensation based on received signal strength indicatorSPREADTRUM COMM CORP·Filed 2002·Granted Apr 3, 2007·4 cites·19 claims
- 0555US6784693B2I/O buffer having a protection circuit for handling different voltage supply levelsSPREADTRUM COMM CORP·Filed 2003·Granted Aug 31, 2004·11 cites·8 claims
- 0653US7248896B2Desktop cellular phone having SIM card-related security featuresSPREADTRUM COMM CORP·Filed 2004·Granted Jul 24, 2007·12 cites·21 claims
- 0753US7245878B2Method and apparatus for silent frame detection in a GSM communications systemSPREADTRUM COMM CORP·Filed 2003·Granted Jul 17, 2007·4 cites·2 claims
- 0851US7171162B2Method and apparatus for frequency estimation using iterative filtering in a GSM communications systemSPREADTRUM COMM CORP·Filed 2003·Granted Jan 30, 2007·2 cites·16 claims
- 0945US2008098224A1Processes and apparatus for establishing a secured connection with a joint test action group portSPREADTRUM COMM CORP·Filed 2007·Application pending·0 cites
- 1044US7092377B2Bi-directional time slot estimator for wireless communication systemSPREADTRUM COMM CORP·Filed 2002·Granted Aug 15, 2006·0 cites·15 claims
- 1143US7251300B2Method and apparatus for frequency tracking based on recovered dataSPREADTRUM COMM CORP·Filed 2003·Granted Jul 31, 2007·0 cites·24 claims
- 1243US2007033099A1GSM/GPRS desktop phone message bannerSPREADTRUM COMM CORP·Filed 2005·Application pending·0 cites
- 1342US7343155B2Maximum ratio combining of channel estimation for joint detection in TD-SCDMA systemsSPREADTRUM COMM CORP·Filed 2004·Granted Mar 11, 2008·0 cites·18 claims
- 1441US2006063530A1Method for cell locking in a wireless communication deviceSPREADTRUM COMM CORP·Filed 2005·Application pending·0 cites
- 1541US2006160547A1Time calibration method for mobile phoneSPREADTRUM COMM CORP·Filed 2005·Application pending·0 cites
- 1641US2006116104A1Method for network search in a wireless communications systemSPREADTRUM COMM CORP·Filed 2005·Application pending·0 cites
- 1739US2006121882A1Desktop cellular phone having a SIM card with an encrypted SIM PINSPREADTRUM COMM CORP·Filed 2004·Application pending·0 cites
- 1839US2007064657A1Variable length physical random access channel frame structure and realizationSPREADTRUM COMM CORP·Filed 2006·Application pending·0 cites
- 1938US6897572B2Power ring architecture for embedded low drop off voltage regulatorsSPREADTRUM COMM CORP·Filed 2003·Granted May 24, 2005·0 cites·18 claims
- 2037US2006150049A1Method for adjusting speech volume in a telecommunications deviceSPREADTRUM COMM CORP·Filed 2005·Application pending·0 cites
- 2135US2007064656A1Physical random access channel frame structure and realizationSPREADTRUM COMM CORP·Filed 2006·Application pending·0 cites
- 2234US6735130B2Differential voltage memory busSPREADTRUM COMM CORP·Filed 2002·Granted May 11, 2004·4 cites·7 claims
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