LCTL WIRELESS INVESTMENT, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04J MULTIPLEX COMMUNICATION 4121
 
  
 
H04B TRANSMISSION 3207
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 2283
 
  
 
H04M TELEPHONIC COMMUNICATION 2161
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 148
 
  
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 170

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5734639 Wireless direct sequence spread spectrum digital cellular telephone systemMay 08, 96Mar 31, 98[H04B, H04J]
5687166 Modulation system for spread spectrum CDMA communicationMay 31, 95Nov 11, 97[H04J]
5668795 Modulation system for spread spectrum CDMA communictionJun 06, 95Sep 16, 97[H04B, H04J]
5570349 Wireless direct sequence spread spectrum digital cellular telephone systemJun 07, 94Oct 29, 96[H04B, H04J]
5548583 Wireless telephone user location capability for enhanced 911 applicationFeb 15, 95Aug 20, 96[H04M, H04L]
5475719 Method and device for accurate phase switching of similar pulse trains having different phase positionsJun 07, 94Dec 12, 95[H03D]
5375140 Wireless direct sequence spread spectrum digital cellular telephone systemNov 24, 92Dec 20, 94[H04M, H04L]
5271037 Line equipment for the compensation of crosstalkOct 10, 91Dec 14, 93[H03H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5027349 Embedded control technique for distributed control systemsExpiredJul 03, 90Jun 25, 91[H04J]
4993021 Automatic transmit power level control in radio linksExpiredMar 23, 89Feb 12, 91[H04J]

Top Inventors for This Owner

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