Patent assignee · US · COMPANY

Level One Communications, Inc.

87Patents
0Active
87Granted
38Portfolio score

Filing activity: Jul 19, 1989 → Jun 4, 2001

Most-cited patents

PatentTitleAreaCited byStatus
US5802052A Scalable high performance switch element for a shared memory packet or ATM cell switch fabric Electricity 242 Expired
US6516185B1 Automatic gain control and offset correction Electricity 146 Expired
US6313685A Offset cancelled integrator Physics 92 Expired
US5267269A System and method employing predetermined waveforms for transmit equalization Electricity 88 Expired
US5059924A Clock adapter using a phase locked loop configured as a frequency multiplier with a non-integer feedback divider Electricity 86 Expired
US5157690A Adaptive convergent decision feedback equalizer Electricity 74 Expired
US5748634A Method and apparatus for implementing a two-port ethernet bridge using a semaphoring technique Electricity 67 Expired
US5907553A Power savings in multiple technology physical layer devices supporting autonegotiation Emerging Cross-Sectional Technologies 65 Expired
US5249183A Interfacing unit for local area networks Electricity 64 Expired
US5204880A Differential line driver employing predistortion Electricity 62 Expired
US5581585A Phase-locked loop timing recovery circuit Electricity 56 Expired
US5068628A Digitally controlled timing recovery loop Electricity 55 Expired
US6167082A Adaptive equalizers and methods for carrying out equalization with a precoded transmitter Electricity 52 Expired
US5148427A Non-linear echo canceller Electricity 49 Expired
US5166635A Digital data line driver Electricity 43 Expired
US6121831A Apparatus and method for removing offset in a gain circuit Electricity 41 Expired
US6285659A Automatic protocol selection mechanism Emerging Cross-Sectional Technologies 39 Expired
US6088827A 1000BASE-T packetized trellis coder Electricity 38 Expired
US5153875A Adaptive balancing network Electricity 37 Expired
US5077529A Wide bandwidth digital phase locked loop with reduced low frequency intrinsic jitter Electricity 35 Expired
US5162746A Digitally controlled crystal-based jitter attenuator Electricity 34 Expired
US5257286A High frequency receive equalizer Electricity 34 Expired
US6154464A Physical layer device having a media independent interface for connecting to either media access control entitices or other physical layer devices Electricity 34 Expired
US6229855A Adaptive transmitter for digital transmission Electricity 34 Expired
US6041078A Method for simplifying bit matched motion estimation Electricity 33 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.