TELECOMMUNICATIONS RESEARCH LABORATORIES

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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 14271
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 8151
 
  
 
H04B TRANSMISSION 5205
 
  
 
H04J MULTIPLEX COMMUNICATION 5120
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 2238
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION256
 
  
 
H04W WIRELESS COMMUNICATION NETWORKS 2186
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9300526 -cyclesMay 20, 13Mar 29, 16[H04L, G01R, H04J]
9191270 Path segment protecting p-cyclesOct 29, 12Nov 17, 15[H04L, H04J]
9025464 Method for design of networks based on p-cyclesJul 02, 03May 05, 15[H04L, G01R, H04J]
9007908 System and method for remote and mobile patient monitoring service using heterogeneous wireless access networksOct 05, 09Apr 14, 15[H04L, G06F, A61B, H04W]
8988990 Distributed preconfiguration of spare capacity in closed paths for network restorationJan 23, 07Mar 24, 15[H04L, H04Q, G01R, H04J]
8976763 Method and system for allocation guaranteed time slots for efficient transmission of time-critical data in IEEE 802.15.4 wireless personal area networksDec 21, 10Mar 10, 15[A61B, G06F, H04W, G01D]
8861574 System and method for providing a wireless/power-line diversity communications channelMay 20, 11Oct 14, 14[H04L, H04B]
7925224 Wireless communication systemJun 12, 06Apr 12, 11[H04B]
7747922 Adaptive hybrid ARQ systems with BCJR decodingJun 01, 06Jun 29, 10[G08C]
7719962 Design of a meta-mesh of chain sub-networksOct 19, 01May 18, 10[H04L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8446815 -cyclesExpiredDec 22, 05May 21, 13[G01R]
8271796 Apparatus for secure computation of string comparatorsExpiredMay 08, 09Sep 18, 12[H04L, G06F]
2010/0295,947 Multi-Spectral Color and IR Camera Based on Multi-Filter ArrayAbandonedMay 21, 10Nov 25, 10[H04N]
7480416 Implementation of discrete wavelet transform using lifting stepsExpiredMay 09, 03Jan 20, 09[H04N, H04B, G06K]
7385932 Wideband frequency domain reflectometry to determine the nature and location of subscriber line faultsExpiredApr 27, 04Jun 10, 08[]
7339937 Wide-area content-based routing architectureExpiredNov 15, 02Mar 04, 08[H04L]
7324559 Centralized synchronization for wireless networksExpiredJun 21, 01Jan 29, 08[H04J]
7295513 Scheduling of wireless packet data transmissionsExpiredSep 23, 03Nov 13, 07[G01R]
6996385 Channel code decoding for the CDMA forward linkExpiredSep 27, 02Feb 07, 06[H04B]
2006/0006,849 Inductor compensating circuitAbandonedJun 28, 05Jan 12, 06[G05F]
2005/0276,252 Medium access control for wireless networksAbandonedJun 08, 05Dec 15, 05[H04Q]
6970416 OFDM system with simple terminalsExpiredJul 07, 00Nov 29, 05[H04J]
2005/0195,739 Protecting a network using protected working capacity envelopesAbandonedFeb 23, 05Sep 08, 05[H04L, H04J]
6940893 High-speed indoor wireless chirp spread spectrum data linkExpiredSep 27, 99Sep 06, 05[0000]
6914880 Protection of routers in a telecommunications networkExpiredMay 19, 99Jul 05, 05[G01R]
6889060 Optical fiber based on wireless scheme for wideband multimedia accessExpiredApr 29, 02May 03, 05[H04B, H03H]
6873750 Electro-optic modulator with resonatorExpiredMar 12, 03Mar 29, 05[G02F]
6822434 Monolithic transformer compensated circuitExpiredJan 28, 03Nov 23, 04[G01R]
6819662 Method for protecting a telecommunications networkExpiredApr 28, 00Nov 16, 04[H04L]
2004/0179,631 UWB receiver architectureAbandonedMar 12, 04Sep 16, 04[H04K]

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