Inventor
CURRY DOUGLAS N
US60 patents
⚠️ This page may combine multiple inventors who share the name “CURRY DOUGLAS N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
43 patentsUS6970259B1Nov 29, 2005
Systems and methods for forgery detection and deterrence of printed documents
XEROX CORP164 citations98
US5946103AAug 31, 1999
Halftone patterns for trusted printing
XEROX CORP92 citations98
US5710636AJan 20, 1998
Method and apparatus for generating halftone images having human readable patterns formed therein
XEROX CORP135 citations98
US5537223AJul 16, 1996
Rotating non-rotationally symmetrical halftone dots for encoding embedded data in a hyperacuity printer
XEROX CORP126 citations98
US6081345AJun 27, 2000
Line screen having extended dynamic tone range for embedding machine readable data in halftone images
XEROX CORP64 citations96
US5732162AMar 24, 1998
Two dimensional linearity and registration error correction in a hyperacuity printer
XEROX CORP65 citations96
US5706099AJan 6, 1998
Method and apparatus for generating serpentine halftone images
XEROX CORP73 citations96
US5410414AApr 25, 1995
Halftoning in a hyperacuity printer
XEROX CORP55 citations96
US6519055B1Feb 11, 2003
Two-dimensional linear interpolation and registration control for a hyperacuity printer
XEROX CORP25 citations93
US6346993B1Feb 12, 2002
Tone-variation-resistant phase-shiftable halftone screen system and method of using
XEROX CORP32 citations93
US6239829B1May 29, 2001
Systems and methods for object-optimized control of laser power
XEROX CORP37 citations93
US6092732AJul 25, 2000
Selectively accented serpentine halftone patterns for embedding human readable information in images
XEROX CORP30 citations93
US5696604ADec 9, 1997
Analytical halftone dot construction for a hyperacuity printer
XEROX CORP41 citations93
US5638107AJun 10, 1997
Interlace formatting in a hyperacuity printer
XEROX CORP26 citations93
US5602653AFeb 11, 1997
Pixel pair grid halftoning for a hyperacuity printer
XEROX CORP35 citations93
US5589870ADec 31, 1996
Spot profile control using fractional interlace factors in a polygon ROS
XEROX CORP29 citations93
US5485289AJan 16, 1996
Hyperacuity printer architecture
XEROX CORP50 citations93
US5479584ADec 26, 1995
Enhanced fidelity reproduction of images with device independent numerical sample output
XEROX CORP21 citations93
US5430472AJul 4, 1995
Method and apparatus for eliminating distortion via overscanned illumination for optical printers and the like having high gamma photosensitive recording media and high addressability
XEROX CORP45 citations93
US5233367AAug 3, 1993
Multiple beam interlaced scanning system
XEROX CORP39 citations93
US5138339AAug 11, 1992
Microaddressability via overscanned illumination for optical printers and the like having high gamma photosensitive recording media
XEROX CORP43 citations93
US4935891AJun 19, 1990
Pseudo-random phase shifted arithmetic bit clock generators for digital printers
XEROX CORP30 citations93
US4893136AJan 9, 1990
Arithmetically computed motor hunt compensation for flying spot scanners
XEROX CORP33 citations93
US4766560AAug 23, 1988
Parallel/pipelined arithmetic variable clock frequency synthesizer
XEROX CORP28 citations93
US4622593ANov 11, 1986
Polygon signature correction
XEROX CORP30 citations93
US6608701B1Aug 19, 2003
Compact high addressability rendering
XEROX CORP40 citations92
US5329599AJul 12, 1994
Enhanced fidelity reproduction of images by hierarchical template matching
XEROX CORP40 citations89
US7359091B2Apr 15, 2008
Multi-bit output sampled threshold array halftoner
XEROX CORP10 citations84
US4860237AAug 22, 1989
Scan linearity correction
XEROX CORP22 citations82
US7123771B2Oct 17, 2006
System and method for directed acuity segmentation resolution compression and decompression
XEROX CORP5 citations74
US6853754B2Feb 8, 2005
System and method for directed acuity segmentation resolution compression and decompression
XEROX CORP8 citations74
US6771827B1Aug 3, 2004
System and method for directed acuity segmentation resolution compression and decompression
XEROX CORP12 citations74
US6243100B1Jun 5, 2001
Two dimensional linear interpolation with slope output for a hyperacuity printer
XEROX CORP12 citations74
US5872868AFeb 16, 1999
Technique for generating and storing edge phase information for rendering text and lineart in hyperacuity printers
XEROX CORP8 citations74
US5742325AApr 21, 1998
Micro segmentation in a hyperacuity printer
XEROX CORP13 citations74
US5638110AJun 10, 1997
Two dimensional slope thresholding in a hyperacuity printer
XEROX CORP14 citations74
US5382967AJan 17, 1995
Continuously tunable raster resolution printing
XEROX CORP9 citations74
US5367381ANov 22, 1994
Method and apparatus for enhanced resolution and contrast via super intensity controlled overscanned illumination in a two dimensional high addressability printer
XEROX CORP15 citations74
US5357273AOct 18, 1994
Resolution conversion via intensity controlled overscanned illumination for optical printers and the like having high gamma photosensitive recording media
XEROX CORP12 citations74
US5264943ANov 23, 1993
Apparatus and method for providing accurate layer registration for multiple layer electronic printing systems
XEROX CORP7 citations74
US5229760AJul 20, 1993
Arithmetic technique for variable resolution printing in a ros
XEROX CORP14 citations74
US5216443AJun 1, 1993
Programmable intensity smart laser system capable of being fabricated on a semiconductive substrate
XEROX CORP18 citations74
US4639789AJan 27, 1987
Raster scanner variable-frequency clock circuit
XEROX CORP17 citations74
PALO ALTO RES CT INC
4 patentsUS7113624B2Sep 26, 2006
Imaging apparatus and method employing a large linear aperture
PALO ALTO RES CT INC22 citations93
US7277569B2Oct 2, 2007
Apparatus and method for detecting and locating rare cells
PALO ALTO RES CT INC32 citations92
US7286224B2Oct 23, 2007
Time-multiplexed scanning light source for multi-probe, multi-laser fluorescence detection systems
PALO ALTO RES CT INC17 citations84
US7280261B2Oct 9, 2007
Method of scanning and light collection for a rare cell detector
PALO ALTO RES CT INC9 citations74
CURRY DOUGLAS N
1 patentSCRIPPS RESEARCH INST
1 patentSTOWE TIMOTHY DAVID
1 patentShowing the top 50 of 60 patents by PatentIndex Score.