David R. Welland

Person

Austin, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Temperature Measurement Circuitry and Method
- Patent number 10,488,269
- Issue date Nov 26, 2019
- Silicon Laboratories Inc.
- David R. Welland
- G01 - MEASURING TESTING
Information Patent Grant
Controller and method for controlling a capacitive touch screen or...
- Patent number 9,870,103
- Issue date Jan 16, 2018
- Silicon Laboratories Inc.
- Vadim Konradi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Precision reference circuit and related method
- Patent number 9,726,696
- Issue date Aug 8, 2017
- Matthew Powell
- G05 - CONTROLLING REGULATING
Information Patent Grant
Controller and method for controlling a capacitive touch screen or...
- Patent number 9,727,159
- Issue date Aug 8, 2017
- Vadim Konradi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Temperature measurement circuitry and system
- Patent number 9,250,137
- Issue date Feb 2, 2016
- Silicon Laboratories Inc.
- David R. Welland
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for reducing interference
- Patent number 9,095,041
- Issue date Jul 28, 2015
- Silicon Laboratories Inc.
- David R. Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for reducing interference
- Patent number 9,013,232
- Issue date Apr 21, 2015
- Silicon Laboratories Inc.
- David Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for reducing interference
- Patent number 9,000,838
- Issue date Apr 7, 2015
- Silicon Laboratories Inc.
- David Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for reducing interference
- Patent number 8,648,653
- Issue date Feb 11, 2014
- Silicon Laboratories Inc.
- David R. Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for reducing interference
- Patent number 8,421,529
- Issue date Apr 16, 2013
- Silicon Laboratories Inc.
- David R. Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for determining capacitance value
- Patent number 8,193,822
- Issue date Jun 5, 2012
- Silicon Laboratories Inc.
- David Welland
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for reducing interference
- Patent number 8,154,336
- Issue date Apr 10, 2012
- Silicon Laboratories Inc.
- David R. Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for reducing interference
- Patent number 7,884,666
- Issue date Feb 8, 2011
- Silicon Laboratories Inc.
- David R. Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Local oscillator (LO) port linearization for communication system w...
- Patent number 7,835,706
- Issue date Nov 16, 2010
- Silicon Laboratories, Inc.
- David R. Welland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Absolute power detector
- Patent number 7,804,364
- Issue date Sep 28, 2010
- Black Sand Technologies, Inc.
- Timothy J. Dupuis
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Edge transceiver architecture and related methods
- Patent number 7,720,176
- Issue date May 18, 2010
- ST-Ericsson SA
- David Welland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selectable threshold multimode gain control apparatus and method fo...
- Patent number 7,589,766
- Issue date Sep 15, 2009
- Cirrus Logic, Inc.
- Nadi R. Itani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Histogram-based automatic gain control method and system for video...
- Patent number 7,522,193
- Issue date Apr 21, 2009
- Cirrus Logic, Inc.
- Nadi R. Itani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital access arrangement circuitry and method for connecting to p...
- Patent number 7,515,672
- Issue date Apr 7, 2009
- Silicon Laboratories Inc.
- Timothy J. Dupuis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ratiometric clock systems for integrated receivers and associated m...
- Patent number 7,471,940
- Issue date Dec 30, 2008
- Silicon Laboratories Inc.
- G. Tyson Tuttle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct digital access arrangement circuitry and method for connecti...
- Patent number 7,463,675
- Issue date Dec 9, 2008
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ratiometric transmit path architecture for communication systems
- Patent number 7,376,396
- Issue date May 20, 2008
- Silicon Laboratories Inc.
- David R. Welland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Weighted mixing circuitry for quadrature processing in communicatio...
- Patent number 7,376,399
- Issue date May 20, 2008
- Silicon Laboratories Inc.
- David R. Welland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital access arrangement circuitry and method for connecting to p...
- Patent number 7,362,841
- Issue date Apr 22, 2008
- Silicon Laboratories Inc.
- Timothy J. Dupuis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for operating a PLL for synthesizing high-freq...
- Patent number 7,353,011
- Issue date Apr 1, 2008
- Silicon Laboratories Inc.
- David R. Welland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Direct digital access arrangement circuitry and method for connecti...
- Patent number 7,301,995
- Issue date Nov 27, 2007
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for reducing interference
- Patent number 7,292,091
- Issue date Nov 6, 2007
- Silicon Laboratories Inc.
- David R. Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Correlated double sampling variable gain amplifier circuit for use...
- Patent number 7,289,145
- Issue date Oct 30, 2007
- Cirrus Logic, Inc.
- Sandra Marie Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct digital access arrangement circuitry and method for connecti...
- Patent number 7,283,584
- Issue date Oct 16, 2007
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ratiometric clock systems for integrated receivers and associated m...
- Patent number 7,272,373
- Issue date Sep 18, 2007
- Silacon Laboratories Inc.
- G. Tyson Tuttle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Temperature Measurement Circuitry and Method
- Publication number 20160131536
- Publication date May 12, 2016
- Silicon Laboratories Inc.
- David R. Welland
- G01 - MEASURING TESTING
Information Patent Application
PRECISION REFERENCE CIRCUIT AND RELATED METHOD
- Publication number 20140084899
- Publication date Mar 27, 2014
- Matthew Powell
- G01 - MEASURING TESTING
Information Patent Application
Temperature Measurement Circuitry and System
- Publication number 20140086278
- Publication date Mar 27, 2014
- David R. Welland
- G01 - MEASURING TESTING
Information Patent Application
CONTROLLER AND METHOD FOR CONTROLLING A CAPACITIVE TOUCH SCREEN OR...
- Publication number 20130169583
- Publication date Jul 4, 2013
- Vadim Konradi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CONTROLLER AND METHOD FOR CONTROLLING A CAPACITIVE TOUCH SCREEN OR...
- Publication number 20130169584
- Publication date Jul 4, 2013
- Vadim Konradi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR REDUCING INTERFERENCE
- Publication number 20130118795
- Publication date May 16, 2013
- Silicon Laboratories Inc.
- David Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD AND APPARATUS FOR REDUCING INTERFERENCE
- Publication number 20130112472
- Publication date May 9, 2013
- Silicon Laboratories Inc.
- David Welland
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
APPARATUS FOR CAPACITANCE SENSOR WITH INTERFERENCE REJECTION AND AS...
- Publication number 20120169659
- Publication date Jul 5, 2012
- David R. Welland
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTI-TOUCH RESOLVE MUTUAL CAPACITANCE SENSOR
- Publication number 20120050206
- Publication date Mar 1, 2012
- DAVID WELLAND
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LOW POWER MULTI-TOUCH SCAN CONTROL SYSTEM
- Publication number 20120054379
- Publication date Mar 1, 2012
- Kafai Leung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR DETERMINING CAPACITANCE VALUE
- Publication number 20100201382
- Publication date Aug 12, 2010
- Silicon Laboratories Inc.
- DAVID WELLAND
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS FOR REDUCING INTERFERENCE
- Publication number 20100102876
- Publication date Apr 29, 2010
- Silicon Laboratories Inc.
- David R. Welland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS FOR REDUCING INTERFERENCE
- Publication number 20100102877
- Publication date Apr 29, 2010
- Silicon Laboratories Inc.
- David R. Welland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS FOR REDUCING INTERFERENCE
- Publication number 20100102858
- Publication date Apr 29, 2010
- Silicon Laboratories Inc.
- David R. Welland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Digital tunning error correction for intergrated receivers and asso...
- Publication number 20090117869
- Publication date May 7, 2009
- Silicon Laboratories Inc.
- G. Tyson Tuttle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR REDUCING INTERFERENCE
- Publication number 20080297217
- Publication date Dec 4, 2008
- David R. Welland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS FOR REDUCING INTERFERENCE
- Publication number 20080272837
- Publication date Nov 6, 2008
- David R. Welland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Ratiometric clock systems for integrated receivers and associated m...
- Publication number 20080008259
- Publication date Jan 10, 2008
- Silicon Laboratories Inc.
- G. Tyson Tuttle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Edge transceiver architecture and related methods
- Publication number 20070071129
- Publication date Mar 29, 2007
- David Welland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL EXPANDER FOR GENERATING MULTIPLE ANALOG CONTROL SIGNALS PAR...
- Publication number 20060284746
- Publication date Dec 21, 2006
- Yunteng Huang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Direct digital access arrangement circuitry and method for connecti...
- Publication number 20060215771
- Publication date Sep 28, 2006
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processor circuits, systems, and methods
- Publication number 20060197847
- Publication date Sep 7, 2006
- Sandra Marie Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Local oscillator (LO) port linearization for communication system w...
- Publication number 20060073793
- Publication date Apr 6, 2006
- SILICON LABORATORIES, INC.
- David R. Welland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct digital access arrangement circuitry and method for connecti...
- Publication number 20060008075
- Publication date Jan 12, 2006
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Ratiometric transmit path architecture for communication systems
- Publication number 20060003706
- Publication date Jan 5, 2006
- David R. Welland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Weighted mixing circuitry for quadrature processing in communicatio...
- Publication number 20060003707
- Publication date Jan 5, 2006
- David R. Welland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Ratiometric clock systems for integrated receivers and associated m...
- Publication number 20060003728
- Publication date Jan 5, 2006
- G. Tyson Tuttle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for operating a PLL for synthesizing high-freq...
- Publication number 20050266817
- Publication date Dec 1, 2005
- Silicon Laboratories, Inc.
- David R. Welland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method and apparatus for synthesizing high-frequency signals for wi...
- Publication number 20050242897
- Publication date Nov 3, 2005
- Silicon Laboratories Inc.
- Lysander Lim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Absolute power detector
- Publication number 20050195037
- Publication date Sep 8, 2005
- Timothy J. Dupuis
- H03 - BASIC ELECTRONIC CIRCUITRY

David R. Welland

Person

Patents Grantslast 30 patents

Temperature Measurement Circuitry and Method

Controller and method for controlling a capacitive touch screen or...

Precision reference circuit and related method

Controller and method for controlling a capacitive touch screen or...

Temperature measurement circuitry and system

Method and apparatus for reducing interference

Method and apparatus for reducing interference

Method and apparatus for reducing interference

Method and apparatus for reducing interference

Method and apparatus for reducing interference

System and method for determining capacitance value

Method and apparatus for reducing interference

Method and apparatus for reducing interference

Local oscillator (LO) port linearization for communication system w...

Absolute power detector

Edge transceiver architecture and related methods

Selectable threshold multimode gain control apparatus and method fo...

Histogram-based automatic gain control method and system for video...

Digital access arrangement circuitry and method for connecting to p...

Ratiometric clock systems for integrated receivers and associated m...

Direct digital access arrangement circuitry and method for connecti...

Ratiometric transmit path architecture for communication systems

Weighted mixing circuitry for quadrature processing in communicatio...

Digital access arrangement circuitry and method for connecting to p...

Method and apparatus for operating a PLL for synthesizing high-freq...

Direct digital access arrangement circuitry and method for connecti...

Method and apparatus for reducing interference

Correlated double sampling variable gain amplifier circuit for use...

Direct digital access arrangement circuitry and method for connecti...

Ratiometric clock systems for integrated receivers and associated m...

Patents Applicationslast 30 patents

Temperature Measurement Circuitry and Method

PRECISION REFERENCE CIRCUIT AND RELATED METHOD

Temperature Measurement Circuitry and System

CONTROLLER AND METHOD FOR CONTROLLING A CAPACITIVE TOUCH SCREEN OR...

CONTROLLER AND METHOD FOR CONTROLLING A CAPACITIVE TOUCH SCREEN OR...

METHOD AND APPARATUS FOR REDUCING INTERFERENCE

METHOD AND APPARATUS FOR REDUCING INTERFERENCE

APPARATUS FOR CAPACITANCE SENSOR WITH INTERFERENCE REJECTION AND AS...

MULTI-TOUCH RESOLVE MUTUAL CAPACITANCE SENSOR

LOW POWER MULTI-TOUCH SCAN CONTROL SYSTEM

SYSTEM AND METHOD FOR DETERMINING CAPACITANCE VALUE

METHOD AND APPARATUS FOR REDUCING INTERFERENCE

METHOD AND APPARATUS FOR REDUCING INTERFERENCE

METHOD AND APPARATUS FOR REDUCING INTERFERENCE

Digital tunning error correction for intergrated receivers and asso...

METHOD AND APPARATUS FOR REDUCING INTERFERENCE

METHOD AND APPARATUS FOR REDUCING INTERFERENCE

Ratiometric clock systems for integrated receivers and associated m...

Edge transceiver architecture and related methods

DIGITAL EXPANDER FOR GENERATING MULTIPLE ANALOG CONTROL SIGNALS PAR...

Direct digital access arrangement circuitry and method for connecti...

Image processor circuits, systems, and methods

Local oscillator (LO) port linearization for communication system w...

Direct digital access arrangement circuitry and method for connecti...

Ratiometric transmit path architecture for communication systems

Weighted mixing circuitry for quadrature processing in communicatio...

Ratiometric clock systems for integrated receivers and associated m...

Method and apparatus for operating a PLL for synthesizing high-freq...

Method and apparatus for synthesizing high-frequency signals for wi...

Absolute power detector