CASSIDIAN FINLAND OY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04B TRANSMISSION 8202
 
  
 
H04Q SELECTING 6104
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 2283
 
  
 
H04M TELEPHONIC COMMUNICATION 2161
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110
 
  
 
H04J MULTIPLEX COMMUNICATION 1124
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION157
 
  
 
H04W WIRELESS COMMUNICATION NETWORKS 1187

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9344226 Data packet transmission methodOct 05, 12May 17, 16[H04L, H03M]
9031157 PAPR reduction using clipping function depending on the peak value and the peak widthAug 12, 11May 12, 15[H04L, H04K]
9003495 Authorised data recordingJan 21, 11Apr 07, 15[H04L, G06F]
8661078 Application of unreliable transfer mechanismsMar 31, 10Feb 25, 14[G06F]
7133421 Method and equipment for identifying a logical channelNov 24, 98Nov 07, 06[H04J]
7058148 Method for selecting modulation detection in receiver, and receiverAug 09, 00Jun 06, 06[H04L]
6477384 Checking the presence of mobile stations communicating on a direct mode channelOct 06, 98Nov 05, 02[H04Q, H04B]
6144656 Synchronizing a telecommunications connection in a mobile communications systemApr 14, 97Nov 07, 00[G08C, H04B]
5970417 Method for maintaining a group callOct 23, 97Oct 19, 99[H04Q]
5913171 Synchronizing a mobile station transmissionOct 30, 96Jun 15, 99[H04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0196,837 ENHANCED DATA ACCESS FOR INFORMATION SYSTEMSAbandonedSep 30, 09Aug 11, 11[G06F]
7664506 Arrangement and method for capacity management in communication systemExpiredFeb 14, 03Feb 16, 10[H04W]
7411922 Packet data service in a mobile communications systemExpiredOct 18, 00Aug 12, 08[H04Q]
7369662 Maintaining end-to-end synchronization on a telecommunications connectionExpiredNov 27, 01May 06, 08[H04L]
7299272 Method for activating packet data protocol context for roaming subscriber, network equipment and telecommunication system for utilizing sameExpiredApr 22, 02Nov 20, 07[G06F]
7177654 Apparatus and method for delivering paging messagesExpiredOct 24, 02Feb 13, 07[H04Q]
7076064 Maintaining end-to-end synchronization on telecommunications connectionExpiredNov 19, 01Jul 11, 06[G06F]
6735564 Portrayal of talk group at a location in virtual audio space for identification in telecommunication system managementExpiredDec 28, 00May 11, 04[G10L]
6639950 Method and arrangement for correcting phase error in linearization loop of power amplifierExpiredJun 20, 00Oct 28, 03[H03F]
6560458 Method for identifying a call in a telecommunications systemExpiredOct 31, 00May 06, 03[H04Q]
6546000 Method for channel use in TDMA system, and TDMA systemExpiredJan 24, 00Apr 08, 03[H04Q]
6292670 Maintaining a group call in a mobile communications systemExpiredJun 30, 97Sep 18, 01[H04B]
6223049 Mobile communication system in which a numbering domain is divided into blocks by the use of indexing rulesExpiredDec 14, 98Apr 24, 01[H04B]
6148192 Checking the access right of a subscriber equipmentExpiredSep 18, 97Nov 14, 00[H04M]
6138031 Call establishment in a mobile communication systemExpiredDec 22, 97Oct 24, 00[H04B]
6108551 Assigning of transmission turns to radio unitsExpiredSep 23, 96Aug 22, 00[H04Q]
5946306 Allocation of time slots in a mobile communication systemExpiredOct 16, 96Aug 31, 99[H04J]
5943326 Synchronizing a telecommunication connection in a mobile communication systemExpiredSep 19, 96Aug 24, 99[H04J]

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