DW

David R. Welland

SL Silicon Laboratories: 10 patents #1 of 17Top 6%
CL Cirrus Logic: 2 patents #16 of 122Top 15%
🗺 Texas: #32 of 8,709 inventorsTop 1%
Overall (2003): #1,091 of 273,478Top 1%
12
Patents 2003

Issued Patents 2003

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6654409 Direct digital access arrangement circuitry and method for connecting DSL circuitry to phone lines Jeffrey W. Scott, Navdeep S. Sooch 2003-11-25
6650364 Selectable threshold multimode gain control apparatus and method for setting mutually continuous analog, digital, and shutter gain levels Nadi R. Itani, Caiyi Wang 2003-11-18
6646822 Sampled amplitude read channel employing pipelined reads to reduce the gap between sectors Tyson Tuttle, Diwakar Vishakhadatta, Jerrel P. Hein, David E. Reed, Richard T. Behrens +4 more 2003-11-11
6611553 Isolation system with digital communication across a capacitive barrier Jeffrey W. Scott, Navdeep S. Sooch 2003-08-26
6587560 Low voltage circuits powered by the phone line Jeffrey W. Scott, Navdeep S. Sooch 2003-07-01
6574288 Method and apparatus for adjusting a digital control word to tune synthesized high-frequency signals for wireless communications Caiyi Wang 2003-06-03
6570513 Isolation system with digital communication across a capacitive barrier Jeffrey W. Scott, Navdeep S. Sooch 2003-05-27
6549765 Phase locked loop circuitry for synthesizing high-frequency signals and associated method Caiyi Wang 2003-04-15
6549764 Method and apparatus for selecting capacitance amounts to vary the output frequency of a controlled oscillator 2003-04-15
6522745 Digital access arrangement circuitry and method having a synthesized ringer impedance for connecting to phone lines George Tyson Tuttle, Jeffrey W. Scott, Navdeep S. Sooch 2003-02-18
6516024 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with low distortion and current limiting Timothy J. Dupuis, George Tyson Tuttle, Jeffrey W. Scott, Navdeep S. Sooch 2003-02-04
6504864 Digital access arrangement circuitry and method for connecting to phone lines having a second order DC holding circuit Timothy J. Dupuis, George Tyson Tuttle, Jeffrey W. Scott, Navdeep S. Sooch 2003-01-07