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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 691
 
  
 
H03C MODULATION 224
 
  
 
H04B TRANSMISSION 2208
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION157
 
  
 
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
7890640 Access control in client-server systemsJun 25, 01Feb 15, 11[G06F]
7269232 Device for producing a phase and amplitude modulated radio frequency signalMar 28, 01Sep 11, 07[H03C]
7164728 Method and device for forming transport frames from coded-signal frames and device for extracting coded signal framesJul 21, 00Jan 16, 07[H04K]
7123593 Method for broadcasting radio signals from a radiocommunication base station, base stations and mobile terminals thereforMay 17, 00Oct 17, 06[H04B]
7024167 Method for amplitude modulation of a radio frequency signal, and device thereforJun 05, 02Apr 04, 06[H03C]
6775650 Method for conditioning a digital speech signalJun 02, 00Aug 10, 04[G10L]
6738480 Method and device for cancelling stereophonic echo with frequency domain filteringMay 10, 00May 18, 04[H04B]
6658380 Method for detecting speech activityJun 02, 00Dec 02, 03[G10L]
6606600 Scalable subband audio coding, decoding, and transcoding methods using vector quantizationMar 17, 00Aug 12, 03[G10L]
6442209 Digital radio communication stationAug 06, 98Aug 27, 02[H04L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7003452 Method and device for detecting voice activityExpiredAug 02, 00Feb 21, 06[G10L]
6940442 Analog-to-digital conversion of a radiocommunication signalExpiredJul 13, 01Sep 06, 05[0000]
2004/0088,124 Method and device for measuring an electric signal powerAbandonedMay 29, 03May 06, 04[G06F, G01R]
2004/0041,638 Digital modulation synthesizerAbandonedJun 19, 03Mar 04, 04[H03L]
2004/0030,984 Method for decoding a block of symbols and device thereforAbandonedMay 16, 03Feb 12, 04[H03M]
6662000 Synchronisation method and device for a communication receiverExpiredSep 05, 00Dec 09, 03[H04L]
6389574 Method for detecting a discrete symbol sequence from an observation signal, and viterbi processor implementing such methodExpiredMar 24, 99May 14, 02[H03M]
6052576 Radiocommunications equipment with a security calls mode, and extension unit forming part of such equipmentExpiredJul 07, 97Apr 18, 00[H04K]
5128925 Process for the pseudo-synchronization of a time multiplexing communication network and uses thereofExpiredApr 13, 90Jul 07, 92[H04B, H04J]

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