U.S. ROBOTICS MOBILE COMMUNICATIONS CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04B TRANSMISSION 4206
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H04J MULTIPLEX COMMUNICATION 2123
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 196
 
  
 
H01Q AERIALS 1109
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H04M TELEPHONIC COMMUNICATION 1162
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6144464 Method and system for modification of fax data rate over wireless channelsSep 11, 97Nov 07, 00[H04N]
6128194 PC card with electromagnetic and thermal managementAug 05, 97Oct 03, 00[H05K]
6075797 Method and system for detecting mobility of a wireless-capable modem to minimize data transfer rate renegotiationsOct 17, 97Jun 13, 00[H04J]
6058291 Methods and apparatus for carrier suppression in a radio modulatorDec 03, 97May 02, 00[H04B, H01Q]
6055245 Apparatus and method for digitally conveying alert tones between an analog modem and an ISDN terminal adapterMar 31, 97Apr 25, 00[H04M, H04J]
6044150 Method and apparatus for a host-based personal computer speakerphoneAug 21, 97Mar 28, 00[G06F]
6038430 Method and apparatus for improving transmission of data in a wireless networkDec 10, 97Mar 14, 00[H04B]
5991335 Method and system for line isolationOct 14, 97Nov 23, 99[H04B]
5991337 Method and apparatus for improving the signal-to-noise ratio of low-magnitude input signals in modemsNov 24, 97Nov 23, 99[H04B]
5987568 Apparatus and method for operably connecting a processor cache and a cache controller to a digital signal processorMay 08, 97Nov 16, 99[G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6307880 Method and system for externally incorporating automatic switching between voice and data communicationsExpiredOct 24, 97Oct 23, 01[H04M, H04B]
5709651 Adhesive dressingExpiredApr 02, 97Jan 20, 98[A61F]
5128964 Modulation method and apparatus for multicarrier data transmissionExpiredOct 10, 90Jul 07, 92[H04L]
5117418 Frequency domain adaptive echo canceller for full-duplex data transmissionExpiredNov 09, 90May 26, 92[H04M, H04L]
4943980 Multi-carrier high speed modemExpiredMay 02, 89Jul 24, 90[H04B]

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