DW

David R. Welland

SL Silicon Laboratories: 105 patents #1 of 744Top 1%
CL Cirrus Logic: 20 patents #55 of 1,131Top 5%
DB Dbx: 8 patents #1 of 15Top 7%
CS Crystal Semiconductor: 4 patents #13 of 74Top 20%
AD Analog Devices: 2 patents #738 of 1,943Top 40%
SS St-Ericsson Sa: 2 patents #146 of 771Top 20%
BT Blackswan Technologies: 1 patents #9 of 14Top 65%
🗺 Texas: #197 of 125,132 inventorsTop 1%
Overall (All Time): #6,593 of 4,157,543Top 1%
146
Patents All Time

Issued Patents All Time

Showing 26–50 of 146 patents

Patent #TitleCo-InventorsDate
7353011 Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications Caiyi Wang 2008-04-01
7301995 Direct digital access arrangement circuitry and method for connecting to phone lines Jeffrey W. Scott, Navdeep S. Sooch 2007-11-27
7292091 Method and apparatus for reducing interference Donald A. Kerth, Caiyi Wang 2007-11-06
7289145 Correlated double sampling variable gain amplifier circuit for use in a digital camera Sandra M. Johnson, Shih-Chung Chao, Nadi R. Itani, Caiyi Wang, Brannon Harris +4 more 2007-10-30
7283584 Direct digital access arrangement circuitry and method for connecting to phone lines Jeffrey W. Scott, Navdeep S. Sooch 2007-10-16
7272373 Ratiometric clock systems for integrated receivers and associated methods G. Tyson Tuttle, Scott D. Willingham 2007-09-18
7262725 Digital expander for generating multiple analog control signals particularly useful for controlling an oscillator Yunteng Huang, Bruno W. Garlepp 2007-08-28
7209011 Method and apparatus for synthesizing high-frequency signals for wireless communications John B. Pavelka, Edmund G. Healy 2007-04-24
7203224 Isolation system with digital communication across a capacitive barrier Jeffrey W. Scott, Navdeep S. Sooch 2007-04-10
7200167 Direct digital access arrangement circuitry and method for connecting to phone lines Jeffrey W. Scott, Navdeep S. Sooch 2007-04-03
7199650 Method and apparatus for reducing interference Donald A. Kerth, Caiyi Wang 2007-04-03
7154940 Isolation system with digital communication across a capacitive barrier Jeffrey W. Scott, Navdeep S. Sooch 2006-12-26
7092675 Apparatus and methods for generating radio frequencies in communication circuitry using multiple control signals Lysander Lim, Caiyi Wang, Donald A. Kerth, Richard T. Behrens, Jeffrey W. Scott +3 more 2006-08-15
7084710 Digital expander apparatus and method for generating multiple analog control signals particularly useful for controlling an oscillator Yunteng Huang, Bruno W. Garlepp 2006-08-01
7072389 Direct digital access arrangement circuitry and method for connecting to phone lines Jeffrey W. Scott, Navdeep S. Sooch 2006-07-04
7050509 Digital isolation system with hybrid circuit in ADC calibration loop Andrew W. Krone, Timothy J. Dupuis, Jeffrey W. Scott, Navdeep S. Sooch 2006-05-23
7046793 Digital access arrangement circuitry and method having current ramping control of the hookswitch George Tyson Tuttle, Jeffrey W. Scott, Navdeep S. Sooch 2006-05-16
7046755 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with switchable time constants Timothy J. Dupuis, George Tyson Tuttle, Jeffrey W. Scott, Navdeep S. Sooch 2006-05-16
7003023 Digital isolation system with ADC offset calibration Andrew W. Krone, Timothy J. Dupuis, Jeffrey W. Scott, Navdeep S. Sooch 2006-02-21
6993314 Apparatus for generating multiple radio frequencies in communication circuitry and associated methods Lysander Lim, Caiyi Wang, Donald A. Kerth, Richard T. Behrens, Jeffrey W. Scott +3 more 2006-01-31
6993307 Method and apparatus for operating a PLL with a phase detector/sample hold circuit for synthesizing high-frequency signals for wireless communications Caiyi Wang 2006-01-31
6975723 Architecture for minimum loop current during ringing and caller ID Jeffrey W. Scott, Navdeep S. Sooch, Jerrell P. Hein, Andrew W. Krone 2005-12-13
6965761 Controlled oscillator circuitry for synthesizing high-frequency signals and associated method Caiyi Wang 2005-11-15
6959083 Loop current monitor circuitry and method for a communication system Jeffrey W. Scott, Andrew W. Krone, Navdeep S. Sooch 2005-10-25
6927630 RF power detector Timothy J. Dupuis, Ali Niknejad, Susanne A. Paul 2005-08-09