CAMBRIDGE POSITIONING SYSTEMS LIMITED

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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 WAVES1198
 
  
 
H04Q SELECTING 8102
 
  
 
H04B TRANSMISSION 5205
 
  
 
H04W WIRELESS COMMUNICATION NETWORKS 4184
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8730105 Finding the position of a mobile terminalJan 15, 09May 20, 14[G01S]
8630656 Method and system for locating a mobile radio receiver in a radio system with multiple transmittersJan 23, 04Jan 14, 14[H04W]
8472971 Method and apparatus for determining whether a mobile terminal has moved outside a given localeJun 12, 06Jun 25, 13[H04B, H04W, G01S]
8279116 Processing received satellite radio signalsJan 07, 09Oct 02, 12[G01S]
8253628 Transfer of calibrated time information in a mobile terminalNov 22, 10Aug 28, 12[G01S]
8255160 Integrated mobile terminal navigationSep 07, 07Aug 28, 12[G01S]
8103294 Determining the change in time at a mobile terminalMar 12, 08Jan 24, 12[H04Q]
8050687 Location systems and methodsMay 14, 03Nov 01, 11[H04B, H04W, G01S]
8013788 Assistance to a mobile SPS receiverAug 31, 06Sep 06, 11[G01S]
7978136 Associating a universal time with received signalMar 13, 07Jul 12, 11[H01Q, G01S]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7639179 Transfer of position information to a mobile terminalExpiredOct 30, 07Dec 29, 09[H04B]
7593736 Positioning system for digital telephone networksExpiredOct 21, 98Sep 22, 09[H04W]
6894644 Radio positioning systemsExpiredJul 15, 02May 17, 05[G01S]
5838279 Navigation and tracking system for shielded spacesExpiredNov 20, 95Nov 17, 98[G01S]
5045861 Navigation and tracking systemExpiredFeb 07, 90Sep 03, 91[G01S]

Top Inventors for This Owner

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