COMSAT CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04M TELEPHONIC COMMUNICATION 7156
 
  
 
H04B TRANSMISSION 6204
 
  
 
H01Q AERIALS 5105
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 5280
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 4238
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 394
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 2152
 
  
 
H04J MULTIPLEX COMMUNICATION 2123
 
  
 
H04Q SELECTING 2108

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7246143 Traced fast fourier transform apparatus and methodApr 09, 01Jul 17, 07[G06F]
6744836 Apparatus, computer readable medium, transmission medium, and method for synchronizing a received signal based on a maximum likelihood principle using a bisection techniqueMay 08, 01Jun 01, 04[H04L]
6661781 Multicarrier demux/demod (MCDD) wireless network architectureNov 19, 99Dec 09, 03[H04Q, H04J]
6278754 Demodulation of asynchronously sampled data by means of detection-transition sample estimation in a shared multi-carrier environmentMar 19, 99Aug 21, 01[H04L]
6154499 Communication systems using nested coder and compatible channel codingOct 21, 96Nov 28, 00[H04L]
6141372 Digital downconverter/despreader for direct sequence spread spectrum CDMA communications systemDec 04, 97Oct 31, 00[H04B]
6067452 Technique for least cost routing for mobile satellite systems employing a GSM network infrastructureMay 28, 96May 23, 00[H04Q]
6052364 CDMA system architecture for satcom terminalsJun 13, 97Apr 18, 00[H04B]
6008769 Alignment control deviceSep 24, 93Dec 28, 99[H01Q]
6006293 Method and apparatus for zero overhead sharing for registered digital hardwareApr 21, 98Dec 21, 99[G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7680653 Background noise reduction in sinusoidal based speech coding systemsExpiredJul 02, 07Mar 16, 10[G10L]
7366134 Dynamic allocation of network resources in a multiple-user communication systemExpiredAug 17, 01Apr 29, 08[H04Q]
7289063 LTCC-based modular MEMS phased arrayExpiredApr 12, 02Oct 30, 07[H01Q]
7262744 Wide-band modular MEMS phased arrayExpiredFeb 14, 02Aug 28, 07[H01Q]
7213080 Intelligent radio design for satellite gateways and terrestrial base stationsExpiredJul 16, 01May 01, 07[G06F]
7154971 DTSE at less than two complex samples per symbolExpiredFeb 09, 01Dec 26, 06[H03D]
2006/0121,848 Smaller aperture antenna for multiple spot beam satellitesAbandonedJan 18, 06Jun 08, 06[H04B]
7013137 Smaller aperture antenna for multiple spot beam satellitesExpiredJul 16, 01Mar 14, 06[H04Q]
2005/0104,791 Two-layer wide-band meander-line polarizerAbandonedNov 22, 04May 19, 05[H01Q]
2005/0085,186 Method and apparatus for measuring adjacent satellite interferenceAbandonedOct 12, 04Apr 21, 05[H04B]
2005/0062,661 Dual circular polarization flat plate antenna that uses multilayer structure with meander line polarizerAbandonedNov 15, 04Mar 24, 05[H01Q]
2005/0063,487 Method and apparatus for parameter estimation, modulation classification and interference characterization in satellite communication systemsAbandonedOct 25, 04Mar 24, 05[H04L]
2005/0054,288 Method for dynamic load management of random access shared communications channelsAbandonedOct 14, 04Mar 10, 05[H04B]
6842615 Least cost routing for mobile satellite systems employing a GPRS network infrastructureExpiredJul 16, 01Jan 11, 05[H04B]
6810377 Lost frame recovery techniques for parametric, LPC-based speech coding systemsExpiredJun 19, 98Oct 26, 04[G10L]
6790243 Lithium-ion cell and method for activation thereofExpiredJan 07, 02Sep 14, 04[H02J, H01M]
2002/0163,940 Flywheel timing generation method and apparatus for TDMA satellite communications systemAbandonedMar 20, 01Nov 07, 02[H04B, H04J]
6462711 Multi-layer flat plate antenna with low-cost material and high-conductivity additive processingExpiredApr 02, 01Oct 08, 02[H01Q]
6459898 Information traffic and performance monitoring for multi-beam satellites with on-board switchingExpiredNov 19, 99Oct 01, 02[H04B]
2002/0118,661 Method of optimizing random access performance in a mobile communications network using dynamically controlled persistence techniquesAbandonedDec 22, 00Aug 29, 02[H04J]

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