TDF

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
H04B TRANSMISSION 3207
 
  
 
H04H BROADCAST COMMUNICATION 352
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION355
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 3239
 
  
 
H04J MULTIPLEX COMMUNICATION 2123
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 2283
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9723339 Method for generating a time marking for synchronous terrestrial broadcastingDec 17, 14Aug 01, 17[H04N, H04H]
8769078 Metrology device for the automatic monitoring of a digital signal broadcast network and a broadcast network comprising one such metrology deviceDec 11, 02Jul 01, 14[G06F]
8683069 Method for broadcasting a data stream based on time lag in a network including a plurality of transmitters, computer program product, head-end system for implementing said methodFeb 11, 09Mar 25, 14[G06F]
8219033 System of transmit antennas adapted to propagation conditions for radio broadcastingNov 06, 06Jul 10, 12[H04B]
8201332 Method for reinforcing a metal tubular structureFeb 17, 06Jun 19, 12[B23P, E04G]
8094732 Method and device for estimating a multicarrier signal propagation channelJul 16, 04Jan 10, 12[H04L, H04K]
7991075 Radio broadcasting method and transmitter using pre-filtering and corresponding signalMay 25, 04Aug 02, 11[H04H]
7991092 Method for receiving a multicarrier signal using at least two estimates of a propagation channel and corresponding reception deviceOct 24, 05Aug 02, 11[H04B]
7801221 Method and system for measuring video image degradations introduced by an encoding system with throughput reductionOct 22, 03Sep 21, 10[H04N, H04B]
7623579 Method of demodulating OFDM type signals in the presence of strong co-channel interference signalsApr 16, 04Nov 24, 09[H04K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0241,790 LARGE-AREA BROADBAND SURFACE-WAVE ANTENNAAbandonedOct 06, 11Sep 19, 13[H01Q]
2010/0188,978 METHOD FOR TIME DELAYING DIGITAL CONTENT FLOWS, CORRESPONDING DEVICE, AND COMPUTER PROGRAM PRODUCTAbandonedOct 08, 07Jul 29, 10[H04L]
2008/0256,582 Method For Viewing the Content of a Dvb-H Type Digital Television SignalAbandonedOct 18, 06Oct 16, 08[H04N]
2008/0123,749 Method of transmitting at varying bit rates through a transmission channelAbandonedJun 13, 07May 29, 08[H04N]

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