Inventor · disambiguated record
Douglas R. Holberg
Also filed as: DAVIS DOUGLAS L · HOLBERG DOUGLAS · HOLBERG DOUGLAS R
47 granted patents·7 pending applications·896 citations·filing 1980–2025
98Inventor score
Files withSILICON LAB INC11SILICON LABS CP INC11CIRRUS LOGIC INC10CANARY MEDICAL INC7CYGNAL INTEGRATED PRODUCTS INC5
Top patents by PatentIndex Score
54 records- 0199US10492686B2Devices, systems and methods for using and monitoring medical devicesHUNTER WILLIAM L·Filed 2016·Granted Dec 3, 2019·57 cites·22 claims
- 0299US7421251B2Precise frequency generation for low duty cycle transceivers using a single crystal oscillatorSILICON LAB INC·Filed 2005·Granted Sep 2, 2008·73 cites·13 claims
- 0397US11786126B2Devices, systems and methods for using and monitoring medical devicesCANARY MEDICAL INC·Filed 2022·Granted Oct 17, 2023·3 cites·12 claims
- 0495US7171542B1Reconfigurable interface for coupling functional input/output blocks to limited number of i/o pinsSILICON LABS CP INC·Filed 2001·Granted Jan 30, 2007·55 cites·11 claims
- 0595US6448917B1DAC using current source driving main resistor stringCYGNAL INTEGRATED PRODUCTS INC·Filed 2000·Granted Sep 10, 2002·71 cites·24 claims
- 0695US6384763B1Segemented D/A converter with enhanced dynamic rangeCYGNAL INTEGRATED PRODUCTS INC·Filed 2000·Granted May 7, 2002·67 cites·32 claims
- 0791US8010819B2Microcontroller unit (MCU) with power saving modeSILICON LAB·Filed 2008·Granted Aug 30, 2011·19 cites·20 claims
- 0890US7719595B1Preview mode low resolution output system and methodCIRRUS LOGIC INC·Filed 2007·Granted May 18, 2010·11 cites·18 claims
- 0990US7289145B2Correlated double sampling variable gain amplifier circuit for use in a digital cameraCIRRUS LOGIC INC·Filed 2006·Granted Oct 30, 2007·17 cites·12 claims
- 1089US12285234B2Devices, systems and methods for using and monitoring medical devicesCANARY MEDICAL INC·Filed 2021·Granted Apr 29, 2025·1 cites·12 claims
- 1188US7061421B1Flash ADC with variable LSBSILICON LAB INC·Filed 2005·Granted Jun 13, 2006·28 cites·17 claims
- 1287US11497964B1Devices, systems and methods for using and monitoring sports equipment and sports activitiesCANARY MEDICAL SWITZERLAND AG·Filed 2016·Granted Nov 15, 2022·16 cites·11 claims
- 1387US11071456B2Devices, systems and methods for using and monitoring medical devicesCANARY MEDICAL INC·Filed 2019·Granted Jul 27, 2021·3 cites·30 claims
- 1486US12426784B2Devices, systems and methods for using and monitoring medical devicesCANARY MEDICAL INC·Filed 2023·Granted Sep 30, 2025·0 cites·5 claims
- 1586US7314173B2Optical reader with ultraviolet wavelength capabilityLV PARTNERS L P·Filed 2004·Granted Jan 1, 2008·28 cites·21 claims
- 1686US4849662ASwitched-capacitor filter having digitally-programmable capacitive elementCRYSTAL SEMICONDUCTOR CORP·Filed 1986·Granted Jul 18, 1989·36 cites·3 claims
- 1785US6891487B2Capacitor calibration in SAR converterSILICON LABS CP INC·Filed 2004·Granted May 10, 2005·34 cites·20 claims
- 1885US2025311925A1Devices, systems and methods for using and monitoring medical devicesCANARY MEDICAL INC·Filed 2025·Application pending·0 cites
- 1983US7304679B1Preview mode low resolution output system and methodCIRRUS LOGIC INC·Filed 2003·Granted Dec 4, 2007·19 cites·14 claims
- 2081US7498962B2Analog-to-digital converter with low power track-and-hold modeSILICON LABS CP INC·Filed 2006·Granted Mar 3, 2009·8 cites·21 claims
- 2181US6686957B1Preview mode low resolution output system and methodCIRRUS LOGIC INC·Filed 1999·Granted Feb 3, 2004·57 cites·14 claims
- 2281US6400300B1D/A converter street effect compensationCYGNAL INTEGRATED PRODUCTS INC·Filed 2000·Granted Jun 4, 2002·27 cites·21 claims
- 2380US7660968B2Reconfigurable interface for coupling functional input/output blocks to limited number of I/O pinsSILICON LABS CP INC·Filed 2007·Granted Feb 9, 2010·7 cites·22 claims
- 2479US7613901B2Comparators in IC with programmably controlled positive / negative hysteresis level and open-drain / push-pull output coupled to crossbar switch or rising / falling edge interrupt generationSILICON LABS CP INC·Filed 2007·Granted Nov 3, 2009·6 cites·11 claims
- 2578US11596308B2Devices, systems and methods for using and monitoring medical devicesCANARY MEDICAL INC·Filed 2021·Granted Mar 7, 2023·0 cites·14 claims
- 2678US6724336B2Segmented D/A converter with enhanced dynamic rangeCYGNAL INTEGRATED PRODUCTS INC·Filed 2002·Granted Apr 20, 2004·21 cites·24 claims
- 2777US6950047B1Method and apparatus for combining outputs of multiple DACs for increased bit resolutionSILICON LABS CP INC·Filed 2004·Granted Sep 27, 2005·22 cites·33 claims
- 2876US7504902B2Precision oscillator having linbus capabilitiesSILICON LAB INC·Filed 2006·Granted Mar 17, 2009·8 cites·13 claims
- 2975US6720999B1CCD imager analog processor systems and methodsCIRRUS LOGIC INC·Filed 1999·Granted Apr 13, 2004·48 cites·20 claims
- 3073US7511465B2Digital pulse width modulated power supply with variable LSBSILICON LAB INC·Filed 2008·Granted Mar 31, 2009·9 cites·17 claims
- 3172US7323855B2Digital pulse width modulated power supply with variable LSBSILICON LAB INC·Filed 2005·Granted Jan 29, 2008·9 cites·17 claims
- 3271US7504900B2Integrated circuit package including programmable oscillatorsSILICON LABS CP INC·Filed 2007·Granted Mar 17, 2009·3 cites·20 claims
- 3370US7315200B2Gain control for delta sigma analog-to-digital converterSILICON LABS CP INC·Filed 2004·Granted Jan 1, 2008·16 cites·16 claims
- 3468US6922164B1SAR analog-to-digital converter with abort functionSILICON LABS CP INC·Filed 2004·Granted Jul 26, 2005·14 cites·32 claims
- 3567US7441131B2MCU with power saving modeSILICON LAB INC·Filed 2005·Granted Oct 21, 2008·3 cites·15 claims
- 3660US4390754ATone generator circuitMOSTEK CORP·Filed 1980·Granted Jun 28, 1983·12 cites·15 claims
- 3760US2023293942A1Devices, systems and methods for using and monitoring sports equipment and sports activitiesCANARY MEDICAL SWITZERLAND AG·Filed 2022·Application pending·0 cites
- 3858US2018125365A1Devices, systems and methods for using and monitoring medical devicesCANARY MEDICAL INC·Filed 2015·Application pending·0 cites
- 3956US6288661B1A/D converter with voltage/charge scalingCYGNAL INTEGRATED PRODUCTS INC·Filed 1999·Granted Sep 11, 2001·17 cites·17 claims
- 4055US7286176B2CCD imager analog processor systems and methodsCIRRUS LOGIC INC·Filed 2004·Granted Oct 23, 2007·2 cites·15 claims
- 4155US6172361B1Methods for mounting an imager to a support structure and circuitry and systems embodying the sameCIRRUS LOGIC INC·Filed 1998·Granted Jan 9, 2001·18 cites·25 claims
- 4254US6285536B1High voltage input pad systemCIRRUS LOGIC INC·Filed 1999·Granted Sep 4, 2001·13 cites·19 claims
- 4353US7382181B2Method and apparatus for tuning GMC filterSILICON LAB INC·Filed 2007·Granted Jun 3, 2008·2 cites·18 claims
- 4453US6879004B2High voltage difference amplifier with spark gap ESD protectionSILICON LABS CP INC·Filed 2002·Granted Apr 12, 2005·5 cites·22 claims
- 4551US7164311B2Method and apparatus for tuning GMC filterSILICON LAB INC·Filed 2004·Granted Jan 16, 2007·5 cites·19 claims
- 4650US6038116AHigh voltage input pad systemCIRRUS LOGIC INC·Filed 1998·Granted Mar 14, 2000·10 cites·5 claims
- 4748US7256611B2Cross-bar matrix with LCD functionalitySILICON LAB INC·Filed 2004·Granted Aug 14, 2007·4 cites·34 claims
- 4845US6617934B1Phase locked loop circuits, systems, and methodsCIRRUS LOGIC INC·Filed 1999·Granted Sep 9, 2003·8 cites·11 claims
- 4943US2002176009A1Image processor circuits, systems, and methodsFiled 2002·Application pending·0 cites
- 5037US2006212679A1Field programmable mixed-signal integrated circuitALFANO DONALD E·Filed 2006·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →