List of Spreadtrum Communications patents

Patents where

Current Assignee

Name

Spreadtrum Communications

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7626965 Joint cell detection method in TD-SCDMA system	Patent 7626965 was granted and assigned to Spreadtrum Communications on December, 2009 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7626965	December 1, 2009
‌ US Patent 7519390 Transmitter and receiver architecture for multi-mode wireless device	Patent 7519390 was granted and assigned to Spreadtrum Communications on April, 2009 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7519390	April 14, 2009
‌ US Patent 7248896 Desktop cellular phone having SIM card-related security features	Patent 7248896 was granted and assigned to Spreadtrum Communications on July, 2007 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7248896	July 24, 2007
‌ US Patent 7110478 Phase difference based frequency correction channel detector for wireless communication system	Patent 7110478 was granted and assigned to Spreadtrum Communications on September, 2006 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7110478	September 19, 2006
‌ US Patent 7327208 Printed circuit board including a notch filter for attenuating radio frequency interference	Patent 7327208 was granted and assigned to Spreadtrum Communications on February, 2008 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7327208	February 5, 2008
‌ US Patent 7251300 Method and apparatus for frequency tracking based on recovered data	Patent 7251300 was granted and assigned to Spreadtrum Communications on July, 2007 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7251300	July 31, 2007
‌ US Patent 7603099 Direct-conversion receiver system and method with quadrature balancing and DC offset removal	Patent 7603099 was granted and assigned to Spreadtrum Communications on October, 2009 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7603099	October 13, 2009
‌ US Patent 7969947 Mobile TV broadcast systems and methods based on TD-SCDMA network	Patent 7969947 was granted and assigned to Spreadtrum Communications on June, 2011 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7969947	June 28, 2011
‌ US Patent 7921008 Methods and apparatus for voice activity detection	Patent 7921008 was granted and assigned to Spreadtrum Communications on April, 2011 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7921008	April 5, 2011
‌ US Patent 8977913 Method, device and baseband chip for receiving service data in a communication system	Patent 8977913 was granted and assigned to Spreadtrum Communications on March, 2015 by the United States Patent and Trademark Office.	Spreadtrum	Spreadtrum Communications	United States Patent and Trademark Office	8977913	March 10, 2015
‌ US Patent 7664113 Apparatus and methods for system multiplexing and program element identification	Patent 7664113 was granted and assigned to Spreadtrum Communications on February, 2010 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7664113	February 16, 2010
‌ US Patent 7853257 Method for fast call setup in a mobile communication system	Patent 7853257 was granted and assigned to Spreadtrum Communications on December, 2010 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7853257	December 14, 2010
‌ US Patent 8072960 Networking method of single frequency network in TD-SCDMA system	Patent 8072960 was granted and assigned to Spreadtrum Communications on December, 2011 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	8072960	December 6, 2011
‌ US Patent 7676211 Reconfigurable baseband filter	Patent 7676211 was granted and assigned to Spreadtrum Communications on March, 2010 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7676211	March 9, 2010
‌ US Patent 7688880 Method and apparatus for reduced noise and carrier feedthrough in multimode transmitter	Patent 7688880 was granted and assigned to Spreadtrum Communications on March, 2010 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7688880	March 30, 2010
‌ US Patent 7738429 Method and system for uplink synchronization	Patent 7738429 was granted and assigned to Spreadtrum Communications on June, 2010 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7738429	June 15, 2010
‌ US Patent 7738532 Method and apparatus of channel estimation in an intra-frequency cell	Patent 7738532 was granted and assigned to Spreadtrum Communications on June, 2010 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7738532	June 15, 2010
‌ US Patent 7725090 Method and apparatus for automatic frequency correction	Patent 7725090 was granted and assigned to Spreadtrum Communications on May, 2010 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7725090	May 25, 2010
‌ US Patent 8139634 Methods and apparatuses of fast cross motion estimation for video encoding	Patent 8139634 was granted and assigned to Spreadtrum Communications on March, 2012 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	8139634	March 20, 2012
‌ US Patent 7693209 Method for carrier frequency offset fine estimation in TD-SCDMA system	Patent 7693209 was granted and assigned to Spreadtrum Communications on April, 2010 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7693209	April 6, 2010
‌ US Patent 7623610 Method for determining QPSK modulation sequence of a downlink synchronization code	Patent 7623610 was granted and assigned to Spreadtrum Communications on November, 2009 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7623610	November 24, 2009
‌ US Patent 7853259 Methods for air interface message transfer in fast call setup processes	Patent 7853259 was granted and assigned to Spreadtrum Communications on December, 2010 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7853259	December 14, 2010
‌ US Patent 7343155 Maximum ratio combining of channel estimation for joint detection in TD-SCDMA systems	Patent 7343155 was granted and assigned to Spreadtrum Communications on March, 2008 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7343155	March 11, 2008
‌ US Patent 8886149 Detection and mitigation of interference in a multimode receiver using variable bandwidth filter	Patent 8886149 was granted and assigned to Spreadtrum Communications on November, 2014 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	8886149	November 11, 2014
‌ US Patent 7092377 Bi-directional time slot estimator for wireless communication system	Patent 7092377 was granted and assigned to Spreadtrum Communications on August, 2006 by the United States Patent and Trademark Office.		Spreadtrum Communications	United States Patent and Trademark Office	7092377	August 15, 2006

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