Assignee
ST ERICSSON SA
CH·284 granted patents·43 pending applications·1,119 citations·filing 2000–2016
Top patents by PatentIndex Score
327 records- 0196US7589507B2Low dropout regulator with stability compensationST ERICSSON SA·Filed 2006·Granted Sep 15, 2009·50 cites·30 claims
- 0294US9088247B2Method and apparatus for a multi-standard, multi-mode, dynamic, DC-DC converter for radio frequency power amplifiersST ERICSSON SA·Filed 2013·Granted Jul 21, 2015·31 cites·11 claims
- 0393US9191127B2Signal filteringST ERICSSON SA·Filed 2012·Granted Nov 17, 2015·18 cites·11 claims
- 0492US8354882B2Doherty amplifier with input network optimized for MMICST ERICSSON SA·Filed 2009·Granted Jan 15, 2013·25 cites·9 claims
- 0592US7902801B2Low dropout regulator with stability compensation circuitST ERICSSON SA·Filed 2009·Granted Mar 8, 2011·24 cites·20 claims
- 0692US7689190B2Controlling the frequency of an oscillatorST ERICSSON SA·Filed 2005·Granted Mar 30, 2010·24 cites·32 claims
- 0791US9306789B2Estimation of CFO based on relative values of frequency bins corresponding to used subcarriers of received preamble symbols for OFDM systemsST ERICSSON SA·Filed 2013·Granted Apr 5, 2016·17 cites·11 claims
- 0891US9160232B2Efficient regulation of capacitance voltage(s) in a switched mode multilevel power converterST ERICSSON SA·Filed 2013·Granted Oct 13, 2015·25 cites·18 claims
- 0991US8378719B1Programmable high-speed frequency dividerST ERICSSON SA·Filed 2011·Granted Feb 19, 2013·29 cites·17 claims
- 1090US9191042B2Interference cancellation technique for channel estimation in OFDM receiversST ERICSSON SA·Filed 2013·Granted Nov 17, 2015·15 cites·13 claims
- 1190US8364098B2PLL calibrationST ERICSSON SA·Filed 2010·Granted Jan 29, 2013·15 cites·37 claims
- 1290US7702319B1Communication apparatus including a mechanism for reducing loss of text telephone information during normal traffic channel preemptingST ERICSSON SA·Filed 2005·Granted Apr 20, 2010·23 cites·24 claims
- 1387US8797069B2High speed RF dividerST ERICSSON SA·Filed 2013·Granted Aug 5, 2014·5 cites·4 claims
- 1486US7983625B2Notch filter and apparatus for receiving and transmitting radio-frequency signals incorporating sameST ERICSSON SA·Filed 2010·Granted Jul 19, 2011·11 cites·20 claims
- 1586US7944906B2Method and system for operating a multi-user multiple-input multiple-output (MU-MIMO) wireless communications systemST ERICSSON SA·Filed 2008·Granted May 17, 2011·13 cites·17 claims
- 1684US7587192B2Balanced mixer with calibration of load impedancesST ERICSSON SA·Filed 2005·Granted Sep 8, 2009·9 cites·17 claims
- 1783US9065586B2Carrier detection and parallel GSM cell search in multimode terminalsST ERICSSON SA·Filed 2013·Granted Jun 23, 2015·8 cites·21 claims
- 1883US8989145B2Methods and systems for a generic multi-radio access technologyST ERICSSON SA·Filed 2013·Granted Mar 24, 2015·7 cites·22 claims
- 1983US7893678B2Current-mode controlled DC-DC converterST ERICSSON SA·Filed 2005·Granted Feb 22, 2011·19 cites·26 claims
- 2083US7848718B2Method apparatus comprising integrated circuit and method of powering down such circuitST ERICSSON SA·Filed 2005·Granted Dec 7, 2010·14 cites·16 claims
- 2183US7643847B2Versatile baseband signal input current splitterST ERICSSON SA·Filed 2004·Granted Jan 5, 2010·29 cites·27 claims
- 2282US9344302B2Loopback technique for IQ imbalance estimation for calibration in OFDM systemsST ERICSSON SA·Filed 2013·Granted May 17, 2016·7 cites·13 claims
- 2382US7801207B2Signal processing task scheduling in a communication apparatusST ERICSSON SA·Filed 2005·Granted Sep 21, 2010·9 cites·27 claims
- 2481US9292712B2Method and apparatus for maintaining secure timeST ERICSSON SA·Filed 2012·Granted Mar 22, 2016·9 cites·24 claims
- 2581US7813497B2Echo canceller with interference-level controlled step sizeST ERICSSON SA·Filed 2005·Granted Oct 12, 2010·9 cites·26 claims
- 2681US7804732B2Memory control with selective retentionST ERICSSON SA·Filed 2005·Granted Sep 28, 2010·11 cites·20 claims
- 2780US9420538B2Limited service state controlST-ERICSSON SA·Filed 2012·Granted Aug 16, 2016·7 cites·20 claims
- 2880US9379784B2NFC tag emulation mode with constant magnetic fieldST ERICSSON SA·Filed 2013·Granted Jun 28, 2016·5 cites·12 claims
- 2979US9479052B2Independent output control for single-inductor, bipolar outputs, buck-boost convertersST-ERICSSON SA·Filed 2013·Granted Oct 25, 2016·6 cites·18 claims
- 3079US7760028B2Transformer circuitST ERICSSON SA·Filed 2005·Granted Jul 20, 2010·12 cites·20 claims
- 3178US9312922B2NFC system comprising a plurality of secure elementsST ERICSSON SA·Filed 2013·Granted Apr 12, 2016·3 cites·10 claims
- 3278US9197257B2Harmonic filtering for an up-converting, voltage mode, passive mixerST ERICSSON SA·Filed 2014·Granted Nov 24, 2015·5 cites·15 claims
- 3377US7772823B2Electronic controller with integrating actionST ERICSSON SA·Filed 2005·Granted Aug 10, 2010·13 cites·20 claims
- 3477US7733127B2Circuits and methods for communicating data between domains during voltage and frequency shiftingST ERICSSON SA·Filed 2009·Granted Jun 8, 2010·7 cites·23 claims
- 3577US7609781B2Wireless communication device with self calibration feature for controlling power outputST ERICSSON SA·Filed 2006·Granted Oct 27, 2009·6 cites·29 claims
- 3676US8963755B2Multi-level sigma-delta ADC with reduced quantization levelsST ERICSSON SA·Filed 2012·Granted Feb 24, 2015·6 cites·14 claims
- 3776US7757029B2On the fly configuration of electronic device with attachable sub-modulesST ERICSSON SA·Filed 2002·Granted Jul 13, 2010·25 cites·7 claims
- 3876US7671560B2Method and apparatus for handling deeply discharged batteries in a mobile stationST ERICSSON SA·Filed 2006·Granted Mar 2, 2010·13 cites·26 claims
- 3975US7702294B2Notch filter and apparatus for receiving and transmitting radio-frequency signals incorporating sameST ERICSSON SA·Filed 2006·Granted Apr 20, 2010·9 cites·20 claims
- 4075US7642891B2Planar inductanceST ERICSSON SA·Filed 2003·Granted Jan 5, 2010·16 cites·21 claims
- 4174US9451164B2Video stabilisation with deblurringST-ERICSSON SA·Filed 2013·Granted Sep 20, 2016·2 cites·14 claims
- 4274US9264123B2Antenna activity detection in multi-antenna communicationST ERICSSON SA·Filed 2012·Granted Feb 16, 2016·5 cites·17 claims
- 4374US9182770B2Voltage regulatorST ERICSSON SA·Filed 2012·Granted Nov 10, 2015·5 cites·24 claims
- 4474US7911192B2High voltage power regulation using two power switches with low voltage transistorsST ERICSSON SA·Filed 2006·Granted Mar 22, 2011·11 cites·17 claims
- 4574US7893758B2Quadrature modulator and calibration methodST ERICSSON SA·Filed 2009·Granted Feb 22, 2011·6 cites·15 claims
- 4674US7831252B2Method, user equipment and network for performing a handover for user equipments in peer-to-peer communication mode, to a cell whose link performance is a predefined value higher than that of the active cellST ERICSSON SA·Filed 2004·Granted Nov 9, 2010·25 cites·20 claims
- 4774US7805170B2System and method for efficient power supply regulation compatible with radio frequency operationST ERICSSON SA·Filed 2005·Granted Sep 28, 2010·5 cites·29 claims
- 4874US7706769B2Adaptive intermodulation distortion filter for zero-if receiversST ERICSSON SA·Filed 2004·Granted Apr 27, 2010·15 cites·10 claims
- 4974US7697901B2Digital variable gain mixerST ERICSSON SA·Filed 2006·Granted Apr 13, 2010·5 cites·24 claims
- 5073US9413242B2DC/DC converter having a step-up converter supplying a step-down converterST-ERICSSON SA·Filed 2012·Granted Aug 9, 2016·4 cites·16 claims
Showing the top 50 of 327 patent records by PatentIndex Score.
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