Inventor
PLUNKETT RICHARD THOMAS
AU54 patents
Patents
50 patentsUS7524007B2Apr 28, 2009
Printhead having sequenced nozzle firing
SILVERBROOK RES PTY LTD53 citations98
US7314261B2Jan 1, 2008
Printhead module for expelling ink from nozzles in groups, alternately, starting at outside nozzles of each group
SILVERBROOK RES PTY LTD79 citations98
US7281777B2Oct 16, 2007
Printhead module having a communication input for data and control
SILVERBROOK RES PTY LTD62 citations98
US7267417B2Sep 11, 2007
Printer controller for supplying data to one or more printheads via serial links
SILVERBROOK RES PTY LTD73 citations98
US7252353B2Aug 7, 2007
Printer controller for supplying data to a printhead module having one or more redundant nozzle rows
SILVERBROOK RES PTY LTD66 citations98
US7818519B2Oct 19, 2010
Timeslot arbitration scheme
SILVERBROOK RES PTY LTD41 citations97
US7592829B2Sep 22, 2009
On-chip storage of secret information as inverse pair
SILVERBROOK RES PTY LTD49 citations97
US7278697B2Oct 9, 2007
Data rate supply proportional to the ratio of different printhead lengths
SILVERBROOK RES PTY LTD38 citations97
US7165824B2Jan 23, 2007
Dead nozzle compensation
SILVERBROOK RES PTY LTD44 citations97
US8038239B2Oct 18, 2011
Controller for printhead having arbitrarily joined nozzle rows
SILVERBROOK RES PTY LTD14 citations96
US7607757B2Oct 27, 2009
Printer controller for supplying dot data to at least one printhead module having faulty nozzle
SILVERBROOK RES PTY LTD43 citations96
US7465005B2Dec 16, 2008
Printer controller with dead nozzle compensation
SILVERBROOK RES PTY LTD12 citations96
US7465016B2Dec 16, 2008
Inkjet printhead having modules with displaced inkjet rows
SILVERBROOK RES PTY LTD36 citations96
US7399043B2Jul 15, 2008
Compensation for uneven printhead module lengths in a multi-module printhead
SILVERBROOK RES PTY LTD14 citations96
US7377608B2May 27, 2008
Compensation for vertical skew between adjacent rows of nozzles on a printhead module
SILVERBROOK RES PTY LTD15 citations96
US7290852B2Nov 6, 2007
Printhead module having a dropped row
SILVERBROOK RES PTY LTD39 citations96
US7152942B2Dec 26, 2006
Fixative compensation
SILVERBROOK RES PTY LTD30 citations96
US7121639B2Oct 17, 2006
Data rate equalisation to account for relatively different printhead widths
SILVERBROOK RES PTY LTD25 citations96
US7093989B2Aug 22, 2006
Printer comprising two uneven printhead modules and at least two printer controllers, one which spends print data to the other
SILVERBROOK RES PTY LTD42 citations96
US7866778B2Jan 11, 2011
Printhead module having nozzle redundancy for faulty nozzle tolerance
SILVERBROOK RES PTY LTD22 citations93
US7740347B2Jun 22, 2010
Ink usage tracking in a cartridge for a mobile device
SILVERBROOK RES PTY LTD34 citations93
US7600843B2Oct 13, 2009
Printer controller for controlling a printhead module based on thermal sensing
SILVERBROOK RES PTY LTD25 citations93
US7549715B2Jun 23, 2009
Printer controller for causing expulsion of ink from nozzles in groups, starting at outside nozzles of groups
SILVERBROOK RES PTY LTD21 citations93
US7484831B2Feb 3, 2009
Printhead module having horizontally grouped firing order
SILVERBROOK RES PTY LTD27 citations93
US7427117B2Sep 23, 2008
Method of expelling ink from nozzles in groups, alternately, starting at outside nozzles of each group
SILVERBROOK RES PTY LTD17 citations93
US7377609B2May 27, 2008
Printer controller for at least partially compensating for erroneous rotational displacement
SILVERBROOK RES PTY LTD31 citations93
US7374266B2May 20, 2008
Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement
SILVERBROOK RES PTY LTD31 citations93
US7328956B2Feb 12, 2008
Printer comprising a printhead and at least two printer controllers connected to a common input of the printhead
SILVERBROOK RES PTY LTD27 citations93
US7281330B2Oct 16, 2007
Method of manufacturing left-handed and right-handed printhead modules
SILVERBROOK RES PTY LTD31 citations93
US7275805B2Oct 2, 2007
Printhead comprising different printhead modules
SILVERBROOK RES PTY LTD17 citations93
US7188928B2Mar 13, 2007
Printer comprising two uneven printhead modules and at least two printer controllers, one of which sends print data to both of the printhead modules
SILVERBROOK RES PTY LTD35 citations93
US7163345B2Jan 16, 2007
Printhead having printhead modules vertically offset at join region
SILVERBROOK RES PTY LTD18 citations93
US7425047B2Sep 16, 2008
Printhead IC compatible with mutally incompatible print engine controllers
SILVERBROOK RES PTY LTD18 citations92
US8011747B2Sep 6, 2011
Printer controller for controlling a printhead with horizontally grouped firing order
SILVERBROOK RES PTY LTD10 citations84
US7832842B2Nov 16, 2010
Printer controller for supplying data to a printhead module having interleaved shift registers
SILVERBROOK RES PTY LTD11 citations84
US7735944B2Jun 15, 2010
Printer comprising two printhead modules and at least two printer controllers
SILVERBROOK RES PTY LTD13 citations84
US7467836B2Dec 23, 2008
Inkjet printer having controller for correcting displaced inkjet nozzles
SILVERBROOK RES PTY LTD10 citations84
US7458659B2Dec 2, 2008
Printer controller for modulating printhead peak power requirement using redundant nozzles
SILVERBROOK RES PTY LTD11 citations84
US7455376B2Nov 25, 2008
Printhead system for modulating printhead peak power requirement using out-of-phase firing
SILVERBROOK RES PTY LTD10 citations84
US7390071B2Jun 24, 2008
Printer controller for supplying data to a printhead module having a dropped row
SILVERBROOK RES PTY LTD15 citations84
US7549718B2Jun 23, 2009
Printhead module having operation controllable on basis of thermal sensors
SILVERBROOK RES PTY LTD7 citations74
US7775616B2Aug 17, 2010
Printhead having controllers for multi-channel printhead modules
SILVERBROOK RES PTY LTD2 citations63
US7758143B2Jul 20, 2010
Printhead module having nozzle redundancy
SILVERBROOK RES PTY LTD6 citations63
US7517036B2Apr 14, 2009
Printhead module capable of printing a maximum of n channels of print data
SILVERBROOK RES PTY LTD4 citations63
US7448707B2Nov 11, 2008
Method of expelling ink from nozzels in groups, starting at outside nozzels of each group
SILVERBROOK RES PTY LTD6 citations63
US7434910B2Oct 14, 2008
Printer having unevenly controlled printhead modules with shift registers
SILVERBROOK RES PTY LTD3 citations63
US7322666B2Jan 29, 2008
Inkjet printhead having controlled vertically offset printhead modules
SILVERBROOK RES PTY LTD3 citations63
US7733535B2Jun 8, 2010
Method and apparatus for image manipulation via a dither matrix
SILVERBROOK RES PTY LTD5 citations62
US7914107B2Mar 29, 2011
Printer incorporating multiple synchronizing printer controllers
SILVERBROOK RES PTY LTD0 citations52
US7891766B2Feb 22, 2011
Printhead having combined printhead module types
SILVERBROOK RES PTY LTD1 citations52
Showing the top 50 of 54 patents by PatentIndex Score.