Telebit Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H04B TRANSMISSION 2208
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 2283
 
  
 
H04J MULTIPLEX COMMUNICATION 1124
 
  
 
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
6047308 Modem with integrated control processor and digital signal processor sessionsJul 18, 97Apr 04, 00[G06F]
6038222 Modem command and data interfaceJul 15, 97Mar 14, 00[H04B]
6023473 Application programming interface for modem and ISDN processingJul 15, 97Feb 08, 00[H04J]
5949762 Apparatus and method for processing multiple telephone callsJul 25, 96Sep 07, 99[H04L]
5909464 Serial communications interface that supports multiple interface standardsJul 29, 97Jun 01, 99[H04Q, H04B]
5845087 Internetwork zone name filtering with selective placebo zone name substitution in a response to a request for zone name informationMar 04, 96Dec 01, 98[G06F]
5228062 Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in multicarrier modemsMay 27, 92Jul 13, 93[H04L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5737364 Serial communications interface that supports multiple interface standardsExpiredFeb 18, 94Apr 07, 98[H04Q, H04B, H03H]
5206886 Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in mulicarrier modemsExpiredApr 16, 90Apr 27, 93[H04L]
5054034 Ensemble modem structure for imperfect transmission mediaExpiredJun 15, 89Oct 01, 91[H04L, H04B]
5025469 Method and apparatus for reducing the turn-around time in facsimile transmissionExpiredFeb 06, 90Jun 18, 91[H04M]
4980897 Multi-channel trellis encoder/decoderExpiredAug 12, 88Dec 25, 90[H04L]
4833706 Ensemble modem structure for imperfect transmission mediaExpiredJan 05, 88May 23, 89[H04M]
4757495 Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channelsExpiredMar 05, 86Jul 12, 88[H04J]
4731816 Ensemble modem structure for imperfect transmission mediaExpiredJan 12, 87Mar 15, 88[H04M]
4679227 Ensemble modem structure for imperfect transmission mediaExpiredMay 20, 85Jul 07, 87[H04M, H04L, H04B]
4438511 Packetized ensemble modemExpiredNov 10, 80Mar 20, 84[H04J]

Top Inventors for This Owner

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