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Class Information
Number: 347/81
Name: Incremental printing of symbolic information > Ink jet > Ejector mechanism (i.e., print head) > Continuous stream (includes dispersion) > With individual drop generation and/or control > Drop correction > Drop sensors
Description: Subject matter wherein specific detection means are provided for the corrective action.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8662646 Droplet generator Mar. 4, 2014
8553243 Inkjet printer, ink billing system, and inkjet printer control method Oct. 8, 2013
8511802 Directly detection device of trajectories of drops issuing from liquid jet, associated electrostatic sensor, print head and continuous ink jet printer Aug. 20, 2013
8488184 Image forming apparatus having a plurality of individually controlled recording heads Jul. 16, 2013
8353588 Drawing device Jan. 15, 2013
8289570 Method and apparatus for ascertaining and adjusting friction between media pages in a document feeder Oct. 16, 2012
8226199 Ink jet break-off length measurement apparatus and method Jul. 24, 2012
8177318 Orifice health detection device May. 15, 2012
7980653 Ejection inspecting device, printing device, and ejection inspecting method Jul. 19, 2011
7938502 Flushing method for fluid ejecting device and fluid ejecting device May. 10, 2011
7909427 Device for printing droplet or ink on substrate or paper Mar. 22, 2011
7905566 Liquid ejecting device Mar. 15, 2011
7841687 System and method for identifying a prescribed inkjet ink Nov. 30, 2010
7815105 Cash dispensing automated banking machine deposit printing system and method Oct. 19, 2010
7780275 Image forming apparatus and droplet ejection control method Aug. 24, 2010
7771001 Liquid discharge apparatus, method for controlling the same, and program for controlling the same Aug. 10, 2010
7744188 Print head check method and image forming apparatus Jun. 29, 2010
7651189 Liquid-ejection testing method, liquid-ejection testing device, and computer-readable medium Jan. 26, 2010
7628464 Liquid drop placing apparatus and liquid drop placing method Dec. 8, 2009
7621616 Ink jet recording apparatus and method and program for checking nozzles thereof Nov. 24, 2009
7619791 Image forming method and image forming device Nov. 17, 2009
7524042 Ink jet printers and methods Apr. 28, 2009
7497542 Sensor for detecting edge of printing medium, and printer incorporating the same Mar. 3, 2009
7364276 Continuous ink jet apparatus with integrated drop action devices and control circuitry Apr. 29, 2008
7328983 Ink-jet printer and method of controlling ink-jet printer Feb. 12, 2008
7267418 Ink jet printer Sep. 11, 2007
7249830 Ink jet break-off length controlled dynamically by individual jet stimulation Jul. 31, 2007
7246890 Detection device for detecting ejection condition of nozzles Jul. 24, 2007
7223309 Display manufacturing apparatus and display manufacturing method May. 29, 2007
7121642 Drop volume measurement and control for ink jet printing Oct. 17, 2006
6988783 Liquid detection method, liquid detection apparatus and printing apparatus using the liquid detection Jan. 24, 2006
6969159 Ink drop detector configurations Nov. 29, 2005
6935717 Ink drop detector configurations Aug. 30, 2005
6897466 Instrument and method for measuring ejection velocity of liquid May. 24, 2005
6858860 Apparatus and method for measuring natural period of liquid Feb. 22, 2005
6769756 Ink drop detector configurations Aug. 3, 2004
6767088 Methods and systems for detecting and determining trajectories of ink droplets Jul. 27, 2004
6764168 Sensor for detecting droplet characteristics Jul. 20, 2004
6761429 Bulldozing cleaner for inkjet electrostatic drop detectors Jul. 13, 2004
6726318 Microscopic droplet detecting device and ink-jet recording apparatus Apr. 27, 2004
6692099 Testing nozzles in print heads Feb. 17, 2004
6641246 Detection of non-operating nozzle by light beam passing through aperture Nov. 4, 2003
6608698 Printing apparatus and method for saving printing material Aug. 19, 2003
6578946 Movable ink drop detector pick up for a drop-on-demand printer Jun. 17, 2003
6550887 Ink drop detector Apr. 22, 2003
6545773 Compensation for print-direction induced hue shift using depletion Apr. 8, 2003
6533377 Cleaning system for cleaning ink residue from a sensor Mar. 18, 2003
6447108 Continuous inkjet printhead control Sep. 10, 2002
6435645 Charged droplet position determining apparatus Aug. 20, 2002
6367917 Continuous inkjet printer, printhead, and method of manufacturing electrodes Apr. 9, 2002

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