Inventor
HOLBERG DOUGLAS R
US39 patents
⚠️ This page may combine multiple inventors who share the name “HOLBERG DOUGLAS R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIRRUS LOGIC INC
9 patentsUS6686957B1Feb 3, 2004
Preview mode low resolution output system and method
CIRRUS LOGIC INC57 citations95
US6720999B1Apr 13, 2004
CCD imager analog processor systems and methods
CIRRUS LOGIC INC48 citations94
US7304679B1Dec 4, 2007
Preview mode low resolution output system and method
CIRRUS LOGIC INC19 citations92
US7719595B1May 18, 2010
Preview mode low resolution output system and method
CIRRUS LOGIC INC11 citations83
US7289145B2Oct 30, 2007
Correlated double sampling variable gain amplifier circuit for use in a digital camera
CIRRUS LOGIC INC17 citations77
US6285536B1Sep 4, 2001
High voltage input pad system
CIRRUS LOGIC INC13 citations74
US6038116AMar 14, 2000
High voltage input pad system
CIRRUS LOGIC INC10 citations74
US6617934B1Sep 9, 2003
Phase locked loop circuits, systems, and methods
CIRRUS LOGIC INC8 citations73
US7286176B2Oct 23, 2007
CCD imager analog processor systems and methods
CIRRUS LOGIC INC2 citations60
SILICON LABS CP INC
8 patentsUS7171542B1Jan 30, 2007
Reconfigurable interface for coupling functional input/output blocks to limited number of i/o pins
SILICON LABS CP INC55 citations94
US6891487B2May 10, 2005
Capacitor calibration in SAR converter
SILICON LABS CP INC34 citations92
US7498962B2Mar 3, 2009
Analog-to-digital converter with low power track-and-hold mode
SILICON LABS CP INC8 citations83
US7660968B2Feb 9, 2010
Reconfigurable interface for coupling functional input/output blocks to limited number of I/O pins
SILICON LABS CP INC7 citations72
US7613901B2Nov 3, 2009
Comparators in IC with programmably controlled positive / negative hysteresis level and open-drain / push-pull output coupled to crossbar switch or rising / falling edge interrupt generation
SILICON LABS CP INC6 citations72
US6879004B2Apr 12, 2005
High voltage difference amplifier with spark gap ESD protection
SILICON LABS CP INC5 citations63
US7504900B2Mar 17, 2009
Integrated circuit package including programmable oscillators
SILICON LABS CP INC3 citations61
US7502883B2Mar 10, 2009
USB integrated module
SILICON LABS CP INC1 citations42
SILICON LAB INC
7 patentsUS7421251B2Sep 2, 2008
Precise frequency generation for low duty cycle transceivers using a single crystal oscillator
SILICON LAB INC73 citations98
US7061421B1Jun 13, 2006
Flash ADC with variable LSB
SILICON LAB INC28 citations92
US7511465B2Mar 31, 2009
Digital pulse width modulated power supply with variable LSB
SILICON LAB INC9 citations84
US7323855B2Jan 29, 2008
Digital pulse width modulated power supply with variable LSB
SILICON LAB INC9 citations84
US7164311B2Jan 16, 2007
Method and apparatus for tuning GMC filter
SILICON LAB INC5 citations73
US7256611B2Aug 14, 2007
Cross-bar matrix with LCD functionality
SILICON LAB INC4 citations63
US7382181B2Jun 3, 2008
Method and apparatus for tuning GMC filter
SILICON LAB INC2 citations62
CYGNAL INTEGRATED PRODUCTS INC
5 patentsUS6448917B1Sep 10, 2002
DAC using current source driving main resistor string
CYGNAL INTEGRATED PRODUCTS INC71 citations96
US6384763B1May 7, 2002
Segemented D/A converter with enhanced dynamic range
CYGNAL INTEGRATED PRODUCTS INC67 citations96
US6724336B2Apr 20, 2004
Segmented D/A converter with enhanced dynamic range
CYGNAL INTEGRATED PRODUCTS INC21 citations92
US6400300B1Jun 4, 2002
D/A converter street effect compensation
CYGNAL INTEGRATED PRODUCTS INC27 citations92
US6288661B1Sep 11, 2001
A/D converter with voltage/charge scaling
CYGNAL INTEGRATED PRODUCTS INC17 citations84
CANARY MEDICAL INC
5 patentsUS11786126B2Oct 17, 2023
Devices, systems and methods for using and monitoring medical devices
CANARY MEDICAL INC3 citations84
US12285234B2Apr 29, 2025
Devices, systems and methods for using and monitoring medical devices
CANARY MEDICAL INC1 citations75
US11071456B2Jul 27, 2021
Devices, systems and methods for using and monitoring medical devices
CANARY MEDICAL INC3 citations73
US12426784B2Sep 30, 2025
Devices, systems and methods for using and monitoring medical devices
CANARY MEDICAL INC0 citations63
US11596308B2Mar 7, 2023
Devices, systems and methods for using and monitoring medical devices
CANARY MEDICAL INC0 citations63