List of SiRF patents

Patents where

Current Assignee

Name

SiRF

Name	Description	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 6850557 Signal detector and method employing a coherent accumulation system to correlate non-uniform and disjoint sample segments	Patent 6850557 was granted and assigned to SiRF on February, 2005 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	6850557	February 1, 2005
‌ US Patent 7030814 System and method to estimate the location of a receiver in a multi-path environment	Patent 7030814 was granted and assigned to SiRF on April, 2006 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7030814	April 18, 2006
‌ US Patent 6952440 Signal detector employing a Doppler phase correction system	Patent 6952440 was granted and assigned to SiRF on October, 2005 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	6952440	October 4, 2005
‌ US Patent 6931055 Signal detector employing a doppler phase correction system	Patent 6931055 was granted and assigned to SiRF on August, 2005 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	6931055	August 16, 2005
‌ US Patent 7545319 Configurable satellite positioning system receivers with programmable inputs	Patent 7545319 was granted and assigned to SiRF on June, 2009 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7545319	June 9, 2009
‌ US Patent 7151485 Generic satellite positioning system receivers with selectable inputs and outputs	Patent 7151485 was granted and assigned to SiRF on December, 2006 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7151485	December 19, 2006
‌ US Patent 7236883 Aiding in a satellite positioning system	Patent 7236883 was granted and assigned to SiRF on June, 2007 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7236883	June 26, 2007
‌ US Patent 7102567 System and method for estimating clock acceleration and location determination	Patent 7102567 was granted and assigned to SiRF on September, 2006 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7102567	September 5, 2006
‌ US Patent 7979207 Systems and methods for detecting a vehicle static condition	Patent 7979207 was granted and assigned to SiRF on July, 2011 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7979207	July 12, 2011
‌ US Patent 7406114 Pseudo-noise correlator for GPS spread-spectrum receiver	Patent 7406114 was granted and assigned to SiRF on July, 2008 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7406114	July 29, 2008
‌ US Patent 7974642 System and method for estimating cell center position for cell ID based positioning	Patent 7974642 was granted and assigned to SiRF on July, 2011 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7974642	July 5, 2011
‌ US Patent 7403154 Determining position without use of broadcast ephemeris information	Patent 7403154 was granted and assigned to SiRF on July, 2008 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7403154	July 22, 2008
‌ US Patent 7568670 Flexible mounting device for video/map display	Patent 7568670 was granted and assigned to SiRF on August, 2009 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7568670	August 4, 2009
‌ US Patent 7324045 System and method for fast initialization of navigational satellite signal receivers	Patent 7324045 was granted and assigned to SiRF on January, 2008 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7324045	January 29, 2008
‌ US Patent 7142157 Determining position without use of broadcast ephemeris information	Patent 7142157 was granted and assigned to SiRF on November, 2006 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7142157	November 28, 2006
‌ US Patent 7451378 Method and apparatus for memory optimization in MPE-FEC system	Patent 7451378 was granted and assigned to SiRF on November, 2008 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7451378	November 11, 2008
‌ US Patent 7439907 Navigation signal receiver trajectory determination	Patent 7439907 was granted and assigned to SiRF on October, 2008 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7439907	October 21, 2008
‌ US Patent 7477189 Methods and systems for acquisition, reacquisiton and tracking of weak navigational signals	Patent 7477189 was granted and assigned to SiRF on January, 2009 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7477189	January 13, 2009
‌ US Patent 7535414 Navigational positioning without timing information	Patent 7535414 was granted and assigned to SiRF on May, 2009 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7535414	May 19, 2009
‌ US Patent 7577524 Method and system for data detection in a global positioning system satellite receiver	Patent 7577524 was granted and assigned to SiRF on August, 2009 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7577524	August 18, 2009
‌ US Patent 7269511 Method and system for data detection in a global positioning system satellite receiver	Patent 7269511 was granted and assigned to SiRF on September, 2007 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7269511	September 11, 2007
‌ US Patent 7047368 Memory reallocation and sharing in electronic systems	Patent 7047368 was granted and assigned to SiRF on May, 2006 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7047368	May 16, 2006
‌ US Patent 7466778 Memory efficient OFDM channel estimation and frequency domain diversity processing	Patent 7466778 was granted and assigned to SiRF on December, 2008 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7466778	December 16, 2008
‌ US Patent 7127351 Combined parallel and sequential detection for GPS signal acquisition	Patent 7127351 was granted and assigned to SiRF on October, 2006 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7127351	October 24, 2006
‌ US Patent 7830951 Efficient and flexible numerical controlled oscillators for navigational receivers	Patent 7830951 was granted and assigned to SiRF on November, 2010 by the United States Patent and Trademark Office.	SiRF	United States Patent and Trademark Office	7830951	November 9, 2010

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