Inventor
SUBIRADA FRANCESC
ES24 patents
⚠️ This page may combine multiple inventors who share the name “SUBIRADA FRANCESC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
17 patentsUS7417768B1Aug 26, 2008
Apparatus and method for mitigating colorant-deposition errors in incremental printing
HEWLETT PACKARD DEVELOPMENT CO25 citations92
US6648444B2Nov 18, 2003
High throughput parallel drop detection scheme
HEWLETT PACKARD DEVELOPMENT CO38 citations92
US7027076B2Apr 11, 2006
Media-position media sensor
HEWLETT PACKARD DEVELOPMENT CO19 citations91
US7287824B2Oct 30, 2007
Method and apparatus for assessing nozzle health
HEWLETT PACKARD DEVELOPMENT CO26 citations90
US7055925B2Jun 6, 2006
Calibration and measurement techniques for printers
HEWLETT PACKARD DEVELOPMENT CO40 citations89
US7023581B2Apr 4, 2006
Compensating for drift and sensor proximity in a scanning sensor, in color calibrating incremental printers
HEWLETT PACKARD DEVELOPMENT CO20 citations88
US7216952B2May 15, 2007
Multicolor-printer and method of printing images
HEWLETT PACKARD DEVELOPMENT CO13 citations82
US6669322B2Dec 30, 2003
Method and system for calibrating ink ejection elements in an image forming device
HEWLETT PACKARD DEVELOPMENT CO15 citations82
US7146049B2Dec 5, 2006
Making the apparent speed of elements imaged at different speeds approximately the same for image recognition
HEWLETT PACKARD DEVELOPMENT CO7 citations72
US7413276B2Aug 19, 2008
Diagnostic for visual detection of media advance errors
HEWLETT PACKARD DEVELOPMENT CO4 citations61
US6910754B2Jun 28, 2005
Method and system for calibrating ink ejection elements in an image forming device
HEWLETT PACKARD DEVELOPMENT CO3 citations61
US6834928B2Dec 28, 2004
Determination of media advancement based on one pixel-wide media images
HEWLETT PACKARD DEVELOPMENT CO5 citations61
US7207640B2Apr 24, 2007
Progressive and fast printmask revision based on incremental changes to printing element condition
HEWLETT PACKARD DEVELOPMENT CO2 citations59
US6918651B2Jul 19, 2005
Scan axis assembly for a printer
HEWLETT PACKARD DEVELOPMENT CO5 citations59
US7034279B2Apr 25, 2006
Method and system for printhead rotation detection using photosensors
HEWLETT PACKARD DEVELOPMENT CO1 citations51
US7431412B2Oct 7, 2008
Media-position sensor system
HEWLETT PACKARD DEVELOPMENT CO1 citations48
US7111918B2Sep 26, 2006
Dual-axis media-positioning sensor
HEWLETT PACKARD DEVELOPMENT CO0 citations37
HEWLETT PACKARD CO
7 patentsUS6623096B1Sep 23, 2003
Techniques for measuring the position of marks on media and for aligning inkjet devices
HEWLETT PACKARD CO85 citations97
US6196652B1Mar 6, 2001
Scanning an inkjet test pattern for different calibration adjustments
HEWLETT PACKARD CO85 citations97
US6352331B1Mar 5, 2002
Detection of non-firing printhead nozzles by optical scanning of a test pattern
HEWLETT PACKARD CO96 citations94
US6547362B2Apr 15, 2003
Test-based advance optimization in incremental printing: median, sensitivity-weighted mean, normal random variation
HEWLETT PACKARD CO20 citations92
US6390587B1May 21, 2002
Calibration system and method scanning repeated subsets of print test patterns having common color reference markings
HEWLETT PACKARD CO25 citations92
US6494558B1Dec 17, 2002
Compensation for marking-position errors along the pen-length direction, in inkjet printing
HEWLETT PACKARD CO40 citations91
US6164750ADec 26, 2000
Automated test pattern technique using accelerated sequence of color printing and optical scanning
HEWLETT PACKARD CO20 citations86