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SIRF TECHNOLOGY
US4 patents
Top patents by PatentIndex Score
US6389291B1May 14, 2002
Multi-mode global positioning system for use with wireless networks
SIRF TECHNOLOGY253 citations98
US7855608B2Dec 21, 2010
System and method for providing temperature correction in a crystal oscillator
SIRF TECHNOLOGY6 citations73
US7724807B2May 25, 2010
Method for reducing auto-correlation or cross-correlation in weak signals
SIRF TECHNOLOGY2 citations62
US7710318B2May 4, 2010
Method of enhanced cold start and associated user interface for navigational receivers
SIRF TECHNOLOGY5 citations60