SIRF TECHNOLOGY, INC.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES6103
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 3102
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8260540 Systems and methods of communication in an assisted navigation systemJun 02, 09Sep 04, 12[G01C, G01S]
7869948 Method and apparatus in positioning without broadcast ephemerisApr 27, 07Jan 11, 11[G01C]
7710318 Method of enhanced cold start and associated user interface for navigational receiversAug 24, 06May 04, 10[G01S]
7660373 Data demodulation from weak navigational satellite signalsOct 04, 05Feb 09, 10[H04L]
7586382 Methods and systems for temperature related frequency drift compensationMar 02, 07Sep 08, 09[H03L, G01C]
7570208 Unassisted indoor GPS receiverDec 29, 05Aug 04, 09[H04B, G01S]
7564406 Method and apparatus in standalone positioning without broadcast ephemerisNov 10, 06Jul 21, 09[G01S]
7456782 Timing calibration for fast signal reacquisition in navigational receiversDec 29, 05Nov 25, 08[G01S]
7403154 Determining position without use of broadcast ephemeris informationNov 28, 06Jul 22, 08[G01S]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7545317 Method and apparatus for navigation data downloads from weak signalsExpiredNov 10, 06Jun 09, 09[H03K, G01S]
2008/0147,686 METHOD AND SYSTEM FOR A DATA INTERFACE FOR AIDING A SATELLITE POSITIONING SYSTEM RECIEVERAbandonedMay 07, 07Jun 19, 08[G06F]
2006/0208,943 Location tagging using post-processingAbandonedMar 21, 05Sep 21, 06[G01S]
2004/0049,143 Shoulder reduction deviceAbandonedSep 06, 02Mar 11, 04[A61F]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.