LEVEL ONE COMMUNICATIONS, INC.

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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 15270
 
  
 
H03K PULSE TECHNIQUE 6125
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 575
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
H03F AMPLIFIERS 479
 
  
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 467
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 4107
 
  
 
H04B TRANSMISSION 4206
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 346
 
  
 
H04J MULTIPLEX COMMUNICATION 2123

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6584109 Automatic speed switching repeaterMar 24, 99Jun 24, 03[H04L]
6584145 Sample rate converterJun 02, 99Jun 24, 03[H04L, H03M]
6577677 Method and apparatus for analog bias current optimizationDec 28, 99Jun 10, 03[H04B]
6566908 Pulse width distortion correction logic level converterOct 13, 00May 20, 03[H03K]
6404810 Activation method in data transceiversApr 12, 99Jun 11, 02[H03H]
6397316 System for reducing bus overhead for communication with a network interfaceJul 24, 97May 28, 02[G06F]
6369658 Single-ended to differential transconductorMar 31, 00Apr 09, 02[H03F]
6317068 Method and apparatus for matching common mode output voltage at a switched-capacitor to continuous-time interfaceAug 23, 99Nov 13, 01[H03M]
6313685 Offset cancelled integratorApr 05, 00Nov 06, 01[H03L, G06G]
6272640 Method and apparatus employing an invalid symbol security jam for communications network securitySep 15, 99Aug 07, 01[G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6535565 Receiver rate converter phase calculation apparatus and methodExpiredMar 16, 99Mar 18, 03[H04L]
6535567 Method and apparatus for suppression of jitter in data transmission systemsExpiredDec 03, 99Mar 18, 03[H04L]
6529563 Method and apparatus for providing a self-sustaining precision voltage and current feedback biasing loopExpiredAug 23, 99Mar 04, 03[H04L]
6472918 Self-referencing slicer method and apparatus for high-accuracy clock duty cycle generationExpiredAug 23, 99Oct 29, 02[H03K]
6469547 Offset window detectorExpiredDec 10, 98Oct 22, 02[H03K]
6430287 Combined parallel adaptive equalizer/echo cancellerExpiredAug 28, 97Aug 06, 02[H04M, G06G]
6396356 Linearization scheme for voltage controlled oscillatorExpiredMay 23, 00May 28, 02[H03L, H03B]
6342799 Error correcting programmable pulse generatorExpiredOct 06, 00Jan 29, 02[H03K]
6341148 Method and apparatus for minimizing transient sampling fluctuations upon transition between modes of communicationExpiredNov 04, 98Jan 22, 02[H04L]
6300752 Common mode bias voltage generatorExpiredApr 26, 00Oct 09, 01[G05F]
6292161 Multiple display blink scheme for integrated circuit with application senseExpiredDec 16, 96Sep 18, 01[G09G]
6229466 Digital calibration method and apparatus for multi-bit delta-sigma D/A converterExpiredAug 23, 99May 08, 01[H03M]
6115391 Method and apparatus for integrating multiple repeaters into a single collision domainExpiredFeb 20, 97Sep 05, 00[H04L]
5880645 Analog adaptive equalizer with gain and filter correctionExpiredJul 03, 97Mar 09, 99[H03H]
5764638 Method and apparatus for filtering and forwarding messages in a computer network using a last source addressExpiredSep 14, 95Jun 09, 98[H04L]
5717714 Inter-repeater backplane with mixed signal state machine interconnectExpiredJan 30, 95Feb 10, 98[H04L, H04B]
5181228 System and method for phase equalizationExpiredOct 12, 90Jan 19, 93[H04B]
5157690 Adaptive convergent decision feedback equalizerExpiredOct 30, 90Oct 20, 92[H03H]
5148427 Non-linear echo cancellerExpiredApr 10, 90Sep 15, 92[H04B]
5084866 Transversal filter echo cancellerExpiredApr 10, 90Jan 28, 92[H04B]

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