Inventor · disambiguated record
David K. Campbell
Also filed as: CAMPBELL DAVID · CAMPBELL DAVID K · CAMPBELL DAVID KAY
40 granted patents·7 pending applications·1,098 citations·filing 1980–2023
98Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO14HEWLETT PACKARD CO9STAVELY DONALD J6UNIV BOSTON5HARRIS CORP3
Top patents by PatentIndex Score
47 records- 0197US6812907B1Segmented electronic displayHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Nov 2, 2004·136 cites·15 claims
- 0295US7262798B2System and method for simulating fill flash in photographyHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 28, 2007·96 cites·24 claims
- 0393US4389671ADigitally-controlled analog encryptonHARRIS CORP·Filed 1980·Granted Jun 21, 1983·272 cites·11 claims
- 0490US7084910B2System and method for using multiple images in a digital image capture deviceHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Aug 1, 2006·51 cites·26 claims
- 0590US5969372AFilm scanner with dust and scratch correction by use of dark-field illuminationHEWLETT PACKARD CO·Filed 1997·Granted Oct 19, 1999·138 cites·16 claims
- 0690US5432763ASubminiature rotary actuator optical headHEWLETT PACKARD CO·Filed 1994·Granted Jul 11, 1995·54 cites·8 claims
- 0787US7167201B2Device incorporating eye-start capabilityHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jan 23, 2007·24 cites·25 claims
- 0884US7639934B2Image stabilizing in camerasHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Dec 29, 2009·9 cites·17 claims
- 0984US4688201AFocusing and tracking apparatus for an optical data storage deviceHEWLETT PACKARD CO·Filed 1985·Granted Aug 18, 1987·30 cites·4 claims
- 1082US7298414B2Digital camera autofocus using eye focus measurementHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Nov 20, 2007·21 cites·9 claims
- 1181US11933864B2System and method for measuring second order and higher gradientsUNIV BOSTON·Filed 2023·Granted Mar 19, 2024·0 cites·22 claims
- 1281US8558943B2System and method for image capture deviceSTAVELY DONALD J·Filed 2012·Granted Oct 15, 2013·4 cites·8 claims
- 1380US11874343B2Single point gradiometerUNIV BOSTON·Filed 2023·Granted Jan 16, 2024·0 cites·21 claims
- 1480US7016604B2Autofocus using a holographic aperture elementHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Mar 21, 2006·18 cites·8 claims
- 1577US11550003B2Casimir-enabled sensing system and methodUNIV BOSTON·Filed 2022·Granted Jan 10, 2023·0 cites·21 claims
- 1676US11693065B2System and method for measuring second order and higher gradientsUNIV BOSTON·Filed 2022·Granted Jul 4, 2023·0 cites·19 claims
- 1776US11614501B2Single point gradiomeierUNIV BOSTON·Filed 2022·Granted Mar 28, 2023·0 cites·17 claims
- 1876US11227410B2Multi-camera trackingPELCO INC·Filed 2019·Granted Jan 18, 2022·2 cites·20 claims
- 1975US5197058AElectronic offset compensation of the continuous composite track error signal in optical recordingHEWLETT PACKARD CO·Filed 1991·Granted Mar 23, 1993·24 cites·5 claims
- 2073US7233352B2Method and apparatus for color non-uniformity correction in a digital cameraHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jun 19, 2007·12 cites·30 claims
- 2173US5995243AIllumination system with white level calibration for hand-held scannerHEWLETT PACKARD CO·Filed 1997·Granted Nov 30, 1999·43 cites·25 claims
- 2270US6993256B2Zoom and focus control method and systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jan 31, 2006·11 cites·6 claims
- 2370US6714731B2Zoom and focus control method and systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Mar 30, 2004·11 cites·2 claims
- 2468US10950003B2Method of aligning two separated cameras matching points in the viewPELCO INC·Filed 2019·Granted Mar 16, 2021·1 cites·29 claims
- 2565US7502057B2Method and apparatus for color non-uniformity correction in a digital cameraHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Mar 10, 2009·6 cites·36 claims
- 2664US8045009B2Image-exposure systems and methods using detecting motion of a camera to terminate exposureHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Oct 25, 2011·5 cites·32 claims
- 2763US7265790B2System and method for setting an image capture device to an operational modeHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 4, 2007·5 cites·18 claims
- 2862USD484162SCameraHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Dec 23, 2003·13 cites·1 claims
- 2962US5070493AWedge prism assembly for optical information storageHEWLETT PACKARD CO·Filed 1989·Granted Dec 3, 1991·12 cites·9 claims
- 3059US8289399B2System and method for image capture deviceSTAVELY DONALD J·Filed 2004·Granted Oct 16, 2012·3 cites·28 claims
- 3159US5723859ALine contact hand-held scanning device and method having a light path substantially perpendicular to the orientation of the object at a line portionHEWLETT PACKARD CO·Filed 1996·Granted Mar 3, 1998·23 cites·26 claims
- 3258US8063940B2Image-stabilization systems and methodsSTAVELY DONALD J·Filed 2004·Granted Nov 22, 2011·3 cites·33 claims
- 3358US5435611AAluminum can handling tongsFiled 1994·Granted Jul 25, 1995·18 cites·5 claims
- 3458US4423488ADigital filter employing PROM for storing positive and negative impulse response valuesHARRIS CORP·Filed 1981·Granted Dec 27, 1983·11 cites·7 claims
- 3555US8391698B2Systems and methods of generating Z-buffers for an image capture device of a cameraTURLEY RICHARD·Filed 2005·Granted Mar 5, 2013·1 cites·20 claims
- 3648US5777321AScanning device with non-contact optical componentsHEWLETT PACKARD CO·Filed 1996·Granted Jul 7, 1998·12 cites·16 claims
- 3748US4332029AAutomatic alignment system for a digital modemHARRIS CORP·Filed 1980·Granted May 25, 1982·17 cites·20 claims
- 3845US2004218087A1Shutter delay calibration method and apparatusFiled 2003·Application pending·0 cites
- 3945US2007097221A1Systems and methods of exposure restart for camerasSTAVELY DONALD J·Filed 2005·Application pending·0 cites
- 4045US2007098382A1Exposure boundary selection for motion blur compensationSTAVELY DONALD J·Filed 2005·Application pending·0 cites
- 4145US2007098383A1Motion blur reduction and compensationSTAVELY DONALD J·Filed 2005·Application pending·0 cites
- 4244US2021252567A1Breakdown Of Solid Waste In Cardboard ManufacturingECOCHEM AUSTRALIA PTY LTD·Filed 2019·Application pending·0 cites
- 4343US5665963AReflective color filter for color correction of photodetector filtersHEWLETT PACKARD CO·Filed 1996·Granted Sep 9, 1997·12 cites·3 claims
- 4440US2004207653A1Systems and methods for controlling a displayFiled 2003·Application pending·0 cites
- 4537US2002118966A1Zoom and focus control system in an optical systemFiled 2001·Application pending·0 cites
- 4636US9122049B2Optical compensation in surveillance domesJAIN PRATEEK·Filed 2010·Granted Sep 1, 2015·0 cites·20 claims
- 4726US8792045B2Video surveillance camera refocusTRUMBO MATT·Filed 2010·Granted Jul 29, 2014·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →