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Class Information
Number: 347/60
Name: Incremental printing of symbolic information > Ink jet > Ejector mechanism (i.e., print head) > Drop-on-demand > With thermal force ejection > Preheat
Description: Subject matter wherein the ejector* is heated prior to discharge.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8646873 Ink jet recording apparatus Feb. 11, 2014
8507584 Phase change inks containing amide gellant compounds with aromatic end groups Aug. 13, 2013
8481609 Phase change inks containing oxazoline compounds and polyterpene resins Jul. 9, 2013
8474941 Inkjet printing apparatus and inkjet printing method Jul. 2, 2013
8454115 On-chip heater and thermistors for inkjet Jun. 4, 2013
8388085 Precursor pulse generation for inkjet printhead Mar. 5, 2013
8348373 Firing signal forwarding in a fluid ejection device Jan. 8, 2013
8297741 Liquid ejecting apparatus Oct. 30, 2012
8231211 Image recording apparatus and ink circulation control method Jul. 31, 2012
8172369 Inkjet printhead substrate with distributed heater elements May. 8, 2012
8163463 Photoresist composition, method of forming pattern using the photoresist composition and inkjet print head Apr. 24, 2012
8113616 Liquid ejecting apparatus Feb. 14, 2012
8083323 On-chip heater and thermistors for inkjet Dec. 27, 2011
8042912 Heater stack having resistive layer with underlying insulative gap and method for making heater stack Oct. 25, 2011
8035060 Inkjet printhead with a plurality of vapor bubble generators Oct. 11, 2011
8029200 Printing apparatus which eliminated complexity of power-on operation and can enter in print preparation when print is enabled Oct. 4, 2011
7997697 Droplet discharge head, droplet discharge device, method for manufacturing droplet discharge head and method for manufacturing droplet discharge device Aug. 16, 2011
7988260 Recording element substrate and recording head including recording element substrate Aug. 2, 2011
7918540 Microelectromechanical ink jet printhead with printhead temperature feedback Apr. 5, 2011
7909423 Ink jet recording head Mar. 22, 2011
7862157 Ink jet recording head Jan. 4, 2011
7802866 Recording head that detects temperature information corresponding to a plurality of electro-thermal transducers on the recording head and recording apparatus using the recording head Sep. 28, 2010
7726782 Image generating apparatus Jun. 1, 2010
7614715 Micro-fluid ejection head having adaptive thermal control Nov. 10, 2009
7591523 Printhead IC with de-activatable temperature sensor and maintenance mode Sep. 22, 2009
7549734 Liquid discharge head Jun. 23, 2009
7530672 Printhead substrate, printhead, temperature control method of printhead, and printing apparatus May. 12, 2009
7491911 MEMS bubble generator for large stable vapor bubbles Feb. 17, 2009
7465034 Thermal ink jet printhead with cavitation gap Dec. 16, 2008
7461925 Adjusting power Dec. 9, 2008
7419250 Micro-electromechanical liquid ejection device Sep. 2, 2008
7404612 Ink jet printing apparatus and ink jet printing method Jul. 29, 2008
7384115 Method for controlling a printhead Jun. 10, 2008
7341324 Pre-warming portions of an inkjet printhead Mar. 11, 2008
7222933 Inkjet recording apparatus and recovery control after interruption of its recording operation May. 29, 2007
7204585 Method and system for improving printer performance Apr. 17, 2007
7201461 Apparatus for controlling a temperature of an ink-jet printhead Apr. 10, 2007
7188924 Circuit and method for estimating pulse frequency of nozzle in ink-jet head Mar. 13, 2007
7185965 Inkjet recording apparatus and recovery control after interruption of its recording operation Mar. 6, 2007
7187468 Method for ensuring consistent dot size in an inkjet printhead Mar. 6, 2007
7182429 Liquid discharger and method for discharging liquid droplets Feb. 27, 2007
7168774 Liquid jetting device and liquid jetting method Jan. 30, 2007
7168777 Feedback arrangement for a printer having a microelectromechanical printhead Jan. 30, 2007
7121648 Droplet ejection method and device Oct. 17, 2006
7066567 Inkjet printer Jun. 27, 2006
7055923 Recording head, substrate for use of recording head, and recording apparatus Jun. 6, 2006
6994426 Inkjet printer comprising MEMS temperature sensors Feb. 7, 2006
6969139 Drop size control for a printer Nov. 29, 2005
6957880 Ink jet printing apparatus and method of controlling temperature of head of ink jet printing apparatus Oct. 25, 2005
6938994 Method of operating an ink jet printhead within a predetermined temperature range Sep. 6, 2005

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