Inventor · disambiguated record
Douglas M. Carson
Also filed as: CARSON DOUGLAS M
27 granted patents·4 pending applications·180 citations·filing 2000–2018
95Inventor score
Top patents by PatentIndex Score
31 records- 0194US8189902B1Creating an XY image pattern on a rotating substrateCARSON DOUGLAS M·Filed 2008·Granted May 29, 2012·24 cites·20 claims
- 0292US6477124B2Varying the rate at which data appear on an optical disc rotated at a constant linear velocity to prevent unauthorized duplication of the discDOUG CARSON & ASSOCIATES INC·Filed 2001·Granted Nov 5, 2002·38 cites·19 claims
- 0383US6715122B2Copy protection through symbol substitution and induced errorsDOUG CARSON & ASSOCIATES INC·Filed 2001·Granted Mar 30, 2004·21 cites·19 claims
- 0483US6487155B1Optical disc authentication using alternate data modulation encoding schemesDOUG CARSON & ASSOCIATES INC·Filed 2001·Granted Nov 26, 2002·21 cites·18 claims
- 0579US7102973B1Media authentication using altered sector sizesDC IP LLC·Filed 2003·Granted Sep 5, 2006·17 cites·32 claims
- 0678US7907492B1Data storage medium with improved multi-session recording formatDOUG CARSON & ASSOCIATES INC·Filed 2005·Granted Mar 15, 2011·3 cites·25 claims
- 0777US9953806B1Substrate alignment detection using circumferentially extending timing patternDOUG CARSON & ASS INC·Filed 2017·Granted Apr 24, 2018·5 cites·20 claims
- 0875US8300345B2Variable track width recording compensationCARSON DOUGLAS M·Filed 2009·Granted Oct 30, 2012·2 cites·25 claims
- 0974US8300524B1Authenticating a data transmission by varying a rate thereofCARSON DOUGLAS M·Filed 2007·Granted Oct 30, 2012·5 cites·38 claims
- 1074US7590039B2Radial separation distance determination for a data storage mediumDOUG CARSON & ASSOCIATES INC·Filed 2005·Granted Sep 15, 2009·2 cites·16 claims
- 1173US6973573B1Detection of a digital data fingerprintDOUG CARSON & ASSOCIATES INC·Filed 2001·Granted Dec 6, 2005·10 cites·11 claims
- 1272US8089852B2Storage medium with separate image and data tracksCARSON DOUGLAS M·Filed 2006·Granted Jan 3, 2012·3 cites·18 claims
- 1372US7805764B1Sequencing data blocks to provide hidden data on a recording mediumDOUG CARSON & ASSOCIATES INC·Filed 2000·Granted Sep 28, 2010·9 cites·19 claims
- 1471US8144558B1Hidden patterns on a data storage mediumCARSON DOUGLAS M·Filed 2005·Granted Mar 27, 2012·2 cites·28 claims
- 1571US6768709B2Hiding digital data in a digital audio or video carrier signalDOUG CARSON & ASSOCIATES INC·Filed 2001·Granted Jul 27, 2004·9 cites·8 claims
- 1670US8761014B1Authenticating a data transmission by varying a rate thereofDOUG CARSON & ASSOCIATES INC·Filed 2012·Granted Jun 24, 2014·2 cites·29 claims
- 1764US8300505B2Writing repeating patterns of features to a substrateCARSON DOUGLAS M·Filed 2011·Granted Oct 30, 2012·1 cites·18 claims
- 1860US6717899B1Optical disc hidden data techniqueDOUG CARSON & ASSOCIATES INC·Filed 2001·Granted Apr 6, 2004·4 cites·17 claims
- 1959US9177593B2Image archive discDOUG CARSON & ASSOCIATES INC·Filed 2014·Granted Nov 3, 2015·0 cites·20 claims
- 2059US8154817B2Compensation for different transducer translation path geometriesCARSON DOUGLAS M·Filed 2009·Granted Apr 10, 2012·0 cites·24 claims
- 2151US7684307B2Identifier tag to track layers in a multi-layer optical discDOUG CARSON & ASSOCIATES INC·Filed 2004·Granted Mar 23, 2010·1 cites·25 claims
- 2251US7568081B2Authenticating a data storage medium using predetermined inter-sector relationshipsDOUG CARSON & ASSOCIATES INC·Filed 2003·Granted Jul 28, 2009·1 cites·39 claims
- 2345US9865297B2Image archive discDOUG CARSON & ASS INC·Filed 2015·Granted Jan 9, 2018·0 cites·20 claims
- 2445US8259549B2Deflection reference adjustment for variable track pitch mediaCARSON DOUGLAS M·Filed 2010·Granted Sep 4, 2012·0 cites·20 claims
- 2543US7710854B2Multi-layer optical disc formatDOUG CARSON & ASSOCIATES INC·Filed 2004·Granted May 4, 2010·0 cites·37 claims
- 2641US2004174787A1Recordable medium having a data recording area with an embedded non-recordable zoneDOUG CARSON & ASSOCIATES INC·Filed 2004·Application pending·0 cites
- 2739US2007088957A1Verifying provenance data associated with digital contentDC IP LLC·Filed 2006·Application pending·0 cites
- 2837US2010195469A1Media Pre-Write With Track-Aligned Write Beam Deflection and Write Frequency AdjustmentDOUG CARSON & ASSOCIATES INC·Filed 2010·Application pending·0 cites
- 2937US2010195461A1Multi-Session Pre-Recorded Storage MediumDOUG CARSON & ASSOCIATES INC·Filed 2010·Application pending·0 cites
- 3034US10134624B2Substrate alignment detection using circumferentially extending timing patternDOUG CARSON & ASS INC·Filed 2018·Granted Nov 20, 2018·0 cites·26 claims
- 3130US9627179B2Substrate alignment through detection of rotating timing patternDOUG CARSON & ASS INC·Filed 2016·Granted Apr 18, 2017·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →