Michael John Webb

Printhead having mirrored rows of print nozzles

Printhead with controller for generating combined print data and clock signal

Printhead having mirrored rows of print nozzles

Printer having printhead with multiple controllers

Printhead integrated circuit with thermally sensing heater elements

Print engine controller employing accumulative correction factor in pagewidth printhead

Printhead having controlled nozzle firing grouping

Printer with controller for generating combined print data and clock signal

Printer incorporating multiple synchronizing printer controllers

TEST CIRCUITRY FOR A PRINTHEAD INTEGRATED CIRCUIT

Printhead IC with multiple operating modes

Printhead IC having temperature based ejection

PRINTHEAD IC WITH SUB EJECTION CONTROL

Printhead integrated circuit having sensing and test circuitry

Printhead integrated circuit with open actuator test

Print engine for rotated ejection nozzle correction

Printhead IC with temperature based de-clog ejection

Printhead IC with non-ejection maintenance

Printer having nozzle displacement correction

Printhead controller for controlling printhead on basis of thermal sensors

Printhead having sequenced nozzle firing on integrated circuit

Printhead controller for nozzle fault correction

Printer Having Sequenced Printhead Nozzle Firing

Inkjet printer having printhead with multiple controllers

Printer with rotated ejection nozzle correction

Printer controller for correction of rotationally displaced printhead

Printhead having displaced nozzle rows

Printhead module having operation controllable on basis of thermal sensors

Print engine having printhead control modes

Printhead having grouped nozzle firing

Print engine pipeline subsystem of a printer controller

Printhead IC with de-activatable temperature sensor and maintenance mode

Inkjet printhead integrated circuit

Temperature regulated inkjet printhead

Test circuitry for a printhead nozzle arrangement

Method of operating a thermal bend actuator

Inkjet printhead with temperature zones

Print engine controller having controller circuitry with an open actuator test circuit

Printer system having controller with correction for nozzle displacement

Printer Having Controller For Offset Nozzles Of Printhead IC

Printer having controllers for common control of printhead

PRINTER CONTROLLER FOR CONTROLLING OFFSET NOZZLES OF PRINTHEAD IC

Inkjet printhead having multiple printer controllers

Printer controller for nozzle displacement correction

Inkjet printer having nozzle displacement correction

PRINTER CONTROLLER FOR SEQUENCED PRINTHEAD NOZZLE FIRING

Printhead IC compatible with mutally incompatible print engine controllers

Printhead IC with nozzle array for linking with adjacent printhead IC's

Printhead IC with de-activatable temperature sensor

Printhead having sequenced nozzle firing

Printhead IC with clock recovery circuit

Printhead IC with staggered nozzle firing pulses

Printhead IC with open actuator test

Self initialising printhead IC

Printhead IC with heater cut off threshold

Thermal inkjet printhead with de-clog firing mode

Printhead IC with multiple temperature sensors

Printhead IC with spaced nozzle firing sequence

Printhead IC with multi-stage print data loading and firing

Externally applied write addresses for printhead integrated circuits

Printhead with sub-ejection pulse for non-firing nozzles

Printhead IC with pulse profile adjustment

Method Of Manufacturing Printhead Modules For Combination As Pagewidth Printhead

Inkjet printer having controller for correcting displaced inkjet nozzles

Printhead having combined printhead module types

Inkjet printhead having modules with displaced inkjet rows

Printhead having controllers for multi-channel printhead modules

Printhead having multiple controllers for printhead modules

Printhead having rows of symmetrically arranged nozzles

Printer having unevenly controlled printhead modules with shift registers

Printhead having mirrored rows of print nozzles

Printer comprising a printhead and at least two printer controllers connected to a common input of the printhead

Printhead comprising different printhead modules

Inkjet printhead having controlled vertically offset printhead modules

Printer controller for supplying data to a printhead module having interleaved shift registers

Printhead module having horizontally grouped firing order

Print controller for supplying data to a printhead comprising different printhead modules

Printhead module having operation controllable on basis of thermal sensors

Method for at least partially compensating for errors in ink dot placement due to erroneous rotational displacement

Printhead module having nozzle redundancy

Printer controller for supplying data to a printhead capable of printing a maximum of n channels of print data

Method of expelling ink from nozzles in groups, alternately, starting at outside nozzles of each group

Printer controller for supplying dot data to at least one printhead module having faulty nozzle

Printer controller for providing data and command via communication output

Printhead module having nozzle redundancy for faulty nozzle tolerance

Printer controller for causing expulsion of ink from nozzles in groups, starting at outside nozzles of groups

Printer controller for at least partially compensating for erroneous rotational displacement

Printer controller for controlling a printhead with horizontally grouped firing order

Printhead module having interleaved shift registers

Printer controller for causing expulsion of ink from nozzles in groups, alternately, starting at outside nozzles of each group

Printhead module capable of printing a maximum of channels of print data

Printer comprising two uneven printhead modules and at least two printer controllers, one of which sends print data to both of the printhead modules

Printer controller for controlling a printhead module based on thermal sensing

Printer comprising two printhead modules and at least two printer controllers

Printer controller for supplying data to a printhead module having a dropped row

Printer controller for supplying data to a printhead module having one or more redundant nozzle rows

Printhead module having a communication input for data and control

Printer controller for supplying data to one or more printheads via serial links

Printhead module having two shift registers

Printer comprising two uneven printhead modules and at least two printer controllers, one which spends print data to the other