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| Number | Title | Issue Date |
| 8162450 | Printing by deflecting an ink jet through a variable field For printing, the principle of the continuous deflected jet is used: a device discharges a continuous stream of a liquid, which is deflected by an electric field created by a plurality of deflecting electrodes and directed toward a gutter. The printing of drops is p... | 04/24/2012 |
| 7967423 | Pressure modulation cleaning of jetting module nozzles A continuous inkjet printhead includes a jetting module, a fluid system, and a controller. The jetting module includes an array of nozzles. The fluid system includes a liquid source and a pressure control device. The liquid source includes a liquid and is connected ... | 06/28/2011 |
| 7946693 | Producing and deflecting ink droplets in a continuous ink-jet printer The invention relates to a method and a device for producing and deflecting ink drops in a continuous ink-jet printer in which a continuous cohesive ink jet exits from a nozzle of a pressure chamber, and in which at least one acoustic pulse (140, 142, 142a... | 05/24/2011 |
| 7380918 | Method and apparatus for forming high-speed liquid A method and apparatus for forming high-speed water droplets takes advantage on a synergy of features disclosed by the present invention including a low Weber number in a chamber in which a liquid stream breaks up into droplets; a reduced break up distance for formi... | 06/03/2008 |
| 7367650 | Printhead chip having low aspect ratio ink supply channels A pagewidth inkjet printhead is provided. The printhead comprises (a) a plurality of nozzles formed on a frontside of a substrate, each nozzle having a respective nozzle inlet; and (b) a plurality of ink supply channels. Each ink supply channel is configured for sup... | 05/06/2008 |
| 7364277 | Apparatus and method of controlling droplet trajectory A printhead has a fluid chamber having an orifice, an associated fluid drop forming mechanism, and an associated fluid drop steering device. The fluid drop forming mechanism is operable to apply to fluid present in the fluid chamber energy sufficient to cause a flui... | 04/29/2008 |
| 7364276 | Continuous ink jet apparatus with integrated drop action devices and control circuitry A continuous liquid drop emission apparatus is provided. The liquid drop emission apparatus is comprised of a liquid chamber containing a positively pressurized liquid in flow communication with at least one nozzle for emitting a continuous stream of liquid and a je... | 04/29/2008 |
| 7350890 | Apparatus and methods for applying images to a surface Systems and methods for applying graphic images to a surface are disclosed. In an embodiment, a system includes an applicator to direct a droplet pattern of a pigmented ink towards the surface, an motivating device coupled to the applicator to move the applicator in... | 04/01/2008 |
| 7336291 | Thermal image forming apparatus A thermal image forming apparatus to form an image on a recording medium having first and second sides, the apparatus including a recording head to form the image by heating the recording medium, wherein the recording head rotates between first and second locations ... | 02/26/2008 |
| 7331650 | Printhead having a removable nozzle plate A printhead and method of printing are provided. The printhead has a body with portions of the body defining a fluid chamber and a nozzle orifice. The nozzle orifice is in fluid communication with the fluid chamber. A drop forming mechanism is operatively associated... | 02/19/2008 |
| 7331468 | Device for separating fine solid components, method of manufacturing the device, and method of separating fine solid components using the device A device for separating a fine solid component includes a substrate and a diaphragm provided on the substrate. The substrate has a first surface and a second surface opposite the first surface. The substrate has a recess provided in the second surface, a cavity open... | 02/19/2008 |
| 7303265 | Air deflected drop liquid pattern deposition apparatus and methods A drop deflector apparatus for a continuous drop emission system that deposits a liquid pattern on a receiver according to liquid pattern data comprising a plurality of drop nozzles formed along a nozzle array axis and emitting a plurality of continuous streams of a... | 12/04/2007 |
| 7303274 | Thin film formation method by ink jet method, ink jet apparatus, production method of organic EL device, and organic EL device A method of forming a thin film by an ink jet method including the step of discharging a liquid containing thin film-forming materials and a solvent from liquid discharge ports to each position on a substrate while the liquid discharge ports are being moved relative... | 12/04/2007 |
| 7273269 | Suppression of artifacts in inkjet printing A method of printing is provided. The method includes providing a travel path comprising a direction of motion of a printhead relative to a recording medium, the printhead having a linear array of nozzles positioned at a nonzero angle relative to the travel path; as... | 09/25/2007 |
| 7261392 | Printhead chip that incorporates pivotal micro-mechanical ink ejecting mechanisms A printhead chip includes a substrate that incorporates drive circuitry and defines ink inlet channels. Nozzle chamber structures are positioned on the substrate. Each nozzle chamber structure defines a nozzle chamber in fluid communication with a respective ink inl... | 08/28/2007 |
| 7261396 | Continuous inkjet printer having adjustable drop placement A method of printing includes associating a pixel area of a recording medium with a nozzle and a time interval during which a fluid drop ejected from the nozzle can impinge the pixel area of the recording medium; dividing the time interval into a plurality of subint... | 08/28/2007 |
| 7207651 | Inkjet printing apparatus An acoustic inkjet printing apparatus focusing acoustic waves generated by transducers and ejecting droplets of a printing liquid from a surface thereof by means of a sound pressure of the acoustic wave, the acoustic inkjet printing apparatus comprising: a printing ... | 04/24/2007 |
| 7178905 | Monolithic ink-jet printhead A monolithic ink-jet printhead, and a method of manufacturing the same, includes a substrate having an ink chamber, an ink channel, and a manifold, a nozzle plate formed on the substrate, a nozzle, a heater, and a conductor. The ink chamber includes sidewalls formed... | 02/20/2007 |
| 7175263 | Converging axis dual-nozzled print head and printer fitted therewith A twin-nozzle print head for a continuous inkjet deflection printer comprises an ink drop generator assembly having two inkjet ejection nozzles, each of the nozzles having an ejection axis. Charge electrodes, deflection electrodes deflecting charged drops and a sing... | 02/13/2007 |
| 7143654 | Methods and apparatus for detecting the presence, intensity, trajectory or location of a liquid stream An array of piezoelectric ceramic sensors affixed to a flexible plastic membrane forms a target surface and the signals produced by the sensors are processed to produce an output signal which indicates the location where a liquid stream strikes the target. The senso... | 12/05/2006 |
| 7132056 | Method of fabricating a fluid ejection device using a planarizing step A method of fabricating a fluid ejection device includes the step of forming a plurality of micro-electromechanical fluid ejection devices on a substrate that incorporates drive circuitry such that each device includes a micro-electromechanical actuator that is in e... | 11/07/2006 |
| 7121653 | Negative-pressure control device for ink-supply system A negative-pressure control device for an ink-supply system comprises a box, an ink-jet head, an adapter and a set of releasable check valve mutually communicated. The box has thereon a water outlet, and is provided therein with a liquid level gauge to control and m... | 10/17/2006 |
| 7118189 | Autopurge printing system A system, including an ink supply system configured to supply ink to a printhead; and an autopurge unit configured to automatically clean the printhead. The autopurge unit includes a solvent supply in fluid communication with a solvent line, a solenoid housing, and ... | 10/10/2006 |
| 7036913 | Ink-jet printhead In an ink-jet printhead and a method for manufacturing the same, the ink-jet printhead includes a substrate, an ink chamber to be filled with ink formed on a front surface of the substrate, a manifold for supplying ink to the ink chamber formed on a rear surface of ... | 05/02/2006 |
| 7018015 | Substrate and method of forming substrate for fluid ejection device A method of forming an opening through a substrate having a first side and a second side opposite the first side includes forming a trench in the first side of the substrate, forming a mask layer within the trench, forming at least one hole in the mask layer, fillin... | 03/28/2006 |
| 6979076 | Ink-jet printhead An ink-jet printhead includes a substrate on which an ink chamber to be supplied with ink to be ejected is formed on a front surface of the substrate, a manifold for supplying ink to the ink chamber is formed on a rear surface of the substrate, and an ink passage in... | 12/27/2005 |
| 6932453 | Inkjet printhead assembly having very high drop rate generation An inkjet printhead assembly includes at least one inkjet printhead including N primitives and an address having M possible address values. Each primitive includes a group of at most M drop generators. The address is cycled through all M address values to control a ... | 08/23/2005 |
| 6929352 | Inkjet printhead chip for use with a pulsating pressure ink supply An ink jet printhead chip includes a substrate that incorporates drive circuitry. A plurality of nozzle arrangements is positioned on the substrate. Each nozzle arrangement includes nozzle chamber walls that define a nozzle chamber and an ink ejection port in fluid ... | 08/16/2005 |
| 6923529 | Ink-jet printing with reduced cross-talk An ink jet printer having an array of nozzles from which ink droplets of adjustable volume are emitted further includes a mechanism adapted to individually adjust the volume of the emitted ink droplets. The mechanism has a first state wherein the emitted droplets of... | 08/02/2005 |
| 6883904 | Apparatus and method for maintaining constant drop volumes in a continuous stream ink jet printer A method an apparatus for maintaining a predetermined ejected ink drop volume in a continuous inkjet printer is provided. An ink parameter, for example, temperature, velocity, flow rate, viscosity, is monitored. A time period between activation control signals provi... | 04/26/2005 |
| 6863385 | Continuous ink-jet printing method and apparatus A method and apparatus for printing an image is provided. The apparatus includes a droplet forming mechanism adapted to form a succession of droplets having a first volume travelling along a path and a droplet having at least one other volume travelling along the pa... | 03/08/2005 |
| 6758555 | Printing head and printer with improved deflection electrodes In a printing head of a printer with deviated continuous jet, one of the electrodes (2) for deviating the ink drops is provided in a downstream part with a longitudinal slit (12) presenting a plane of symmetry relative to a plane containing the axis of... | 07/06/2004 |
| 6746108 | Method and apparatus for printing ink droplets that strike print media substantially perpendicularly A method for printing ink droplets that strike print media substantially perpendicularly, including the steps of: emitting a first drop having a first volume and a second drop having a second volume as a stream of ink from a plurality of nozzle bores formed in a pri... | 06/08/2004 |
| 6695440 | Continuous ink jet printer with micro-valve deflection mechanism and method of making same A continuous inkjet printer in which a continuous ink stream is deflected at the printhead nozzle bore without the need for charged deflection plates or tunnels. The printhead includes a primary ink delivery channel which delivers a primary flow of pressu... | 02/24/2004 |
| 6644792 | Ink droplet forming apparatus and method for use in ink jet printer system According to one aspect of the invention, an ink droplet forming mechanism for use in an ink jet printer system includes an ink discharge nozzle for discharging a printing ink; at least two heating elements activatable individually to heat a printing ink ... | 11/11/2003 |
| 6607257 | Printhead assembly with minimized interconnections to an inkjet printhead An inkjet printhead assembly (50) for an inkjet printer having a printhead (10) with a plurality of nozzles (24) and data path and control electronics circuitry (56) operably coupled with the printhead (10) for providing image data that control the flow o... | 08/19/2003 |
| 6588889 | Continuous ink-jet printing apparatus with pre-conditioned air flow A continuous stream ink jet printer is provided having an ink droplet forming mechanism for ejecting a stream of ink droplets having a selected one of at least two different volumes toward a print medium, a droplet deflector for producing a flow of gas th... | 07/08/2003 |
| 6588890 | Continuous inkjet printer with heat actuated microvalves for controlling the direction of delivered ink Apparatus for controlling ink in a continuous inkjet printer in which a continuous stream of ink is emitted from a nozzle bore, including a reservoir containing pressurized ink; a rigid nozzle element defining an ink staging chamber and defining a nozzle ... | 07/08/2003 |
| 6588888 | Continuous ink-jet printing method and apparatus An apparatus for printing an image is provided. The apparatus includes a droplet forming mechanism operable in a first state to form droplets having a first volume travelling along a path and in a second state to form droplets having a plurality of other ... | 07/08/2003 |
| 6578955 | Continuous inkjet printer with actuatable valves for controlling the direction of delivered ink Apparatus for controlling ink in a continuous inkjet printer. A nozzle element defining an ink staging chamber and having a nozzle bore in communication with the ink staging chamber arranged so as to establish a continuous flow of ink in a ink stream; ink... | 06/17/2003 |
