DIFF SCALE OPERATION RESEARCH LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 8277
 
  
 
H04J MULTIPLEX COMMUNICATION 4121
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 278
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 148
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8121455 Carrier system for mounting telecommunication and data technology devicesFeb 15, 08Feb 21, 12[G02B]
7881413 Digital PLL with conditional holdoverMar 01, 02Feb 01, 11[H03D]
7239627 Digital subscriber line servicesMay 24, 01Jul 03, 07[H04L]
7170894 Establishment of an end to end virtual connectionDec 22, 01Jan 30, 07[H04L]
7106758 Circuit and method for service clock recoveryAug 03, 01Sep 12, 06[H04J]
6990110 Automatic permanent virtual circuit connection activation for connection oriented networksApr 12, 01Jan 24, 06[H04L]
6940810 Protection switching of virtual connections at the data link layerOct 25, 00Sep 06, 05[0000]
6859430 Protection switching of virtual connectionsOct 01, 99Feb 22, 05[H04Q]
6847609 Shared management of a network entityAug 18, 99Jan 25, 05[H04J]
6757247 Circuit and method for controlling virtual connections in a ring networkFeb 20, 98Jun 29, 04[H04L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0061,686 SLEEVE FOR OPTICAL WAVEGUIDE CABLESAbandonedFeb 15, 08Mar 11, 10[G02B]
2007/0019,686 Circuit and Method for Service Clock RecoveryAbandonedSep 11, 06Jan 25, 07[H04J]
6980565 Circuit and method for shaping traffic in a virtual connection networkExpiredApr 26, 02Dec 27, 05[H04J]
6959006 Service delivery unit for an enterprise networkExpiredFeb 28, 00Oct 25, 05[H04J]

Top Inventors for This Owner

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