| Patent application number | Description | Published |
|---|
| 20090002777 | RECORDING APPARATUS - A recording apparatus, performing recording by time-division driving of multiple recording elements on a recording head in increments of blocks, includes: a storing unit storing recording data; an obtaining unit obtaining information relating to inclination of the recording elements in the main scanning direction; a changing unit changing, in increments of recording elements, the main scanning direction storage position of recording data stored in the storing unit to be provided to recording elements of a group, configured of consecutive recording elements in each block of the recording elements, based on the obtained information; and a determining unit determining the driving order of the recording elements subjected to time-division driving in increments of the blocks, for each of the scans; wherein recording is performed based on recording data with the main scanning direction storage position having been changed by the changing unit, and the driving order determined by the determining unit. | 01-01-2009 |
| 20100156981 | INK JET PRINTING APPARATUS AND INK JET PRINTING METHOD - An ink jet printing apparatus and an ink jet printing method are provided in which information about an ink amount ejected on each of unit areas into which a preceding print medium is divided and information about a size of a following print medium are acquired. A delay time for delaying a printing operation for the following print medium is set based on the information about the ink amount ejected on unit areas which are decided among the divided unit areas according to the information about the size of the following print medium. | 06-24-2010 |
| 20100238226 | PRINTING APPARATUS AND PRINTING CONTROL METHOD - The present invention uses a temperature sensor to sense the temperature of a print head configured to eject ink, and senses the environmental temperature of a printing apparatus. The temperature of the print head is corrected based on the environmental temperature only if information from the temperature sensor is different from the last information acquired. | 09-23-2010 |
| 20110109689 | RECORDING APPARATUS - An apparatus includes a supply unit having a humidifying portion that supplies humidified gas near a nozzle array of a line-type recording head. In correspondence to displacement of the recording head in a direction of the nozzle array, at least one of an introducing direction and an introducing position of the supplied humidified gas can be changed. | 05-12-2011 |
| 20110109690 | RECORDING APPARATUS - A supply unit is provided to supply humidified gas near a nozzle array of a line-type recording head. The flow-rate distribution of the supplied humidified gas in a direction of the nozzle array is changeable in accordance with a conveying region where a sheet is conveyed while opposing the nozzle array. | 05-12-2011 |
| 20110109691 | RECORDING APPARATUS - An apparatus includes a recording head having a sealing portion arranged in proximity to nozzle arrays and protruding beyond a nozzle surface. A wiper unit configured to wipe the nozzle surface of the recording head has a first wiper blade and a second wiper blade, and the first wiper blade is arranged to be inclined by an angle θ | 05-12-2011 |
| 20110109710 | RECORDING APPARATUS AND RECORDING METHOD - First humidified gas is supplied from a first supply port to a sheet to be conveyed, thereby increasing the moisture content of the sheet. Simultaneously, second humidified gas is supplied to a space where nozzles of the inkjet recording head are exposed, from a second supply port provided at a position closer to the inkjet recording head than the first supply port, thereby increasing the atmosphere humidity of the space. The part of the sheet of which the moisture content has been increased is made to enter the space where the atmosphere humidity has been increased, and recording is performed by the inkjet recording head. | 05-12-2011 |
| 20110115846 | RECORDING APPARATUS - An apparatus includes a recording head arranged so as to oppose a sheet moving in a first direction, in which a plurality of first nozzle chips and a plurality of second nozzle chips each having a nozzle array are arranged as different arrays in a second direction crossing the first direction, and in which the first nozzle chips and the second nozzle chips adjacent to each other are shifted from each other in the second direction, a first suction unit opposed to the first nozzle chips and configured to suction ink from a part of the nozzle arrays included in the first nozzle chips, a second suction unit opposed to the second nozzle chips and configured to suction ink from a part of the nozzle arrays included in the second nozzle chips, a suction holder configured to retain the first suction unit and the second suction unit, and a movement mechanism configured to cause relative movement between the recording head and the suction holder in the second direction, wherein the first suction unit and the second suction unit are shifted from each other in the second direction in correspondence with the shift between the first nozzle chips and the second nozzle chips. | 05-19-2011 |
| 20110115863 | RECORDING APPARATUS - An apparatus includes a humidifying unit that generates humidified gas, a drying unit that dries ink applied to a sheet by a recording unit, a first duct that supplies gas discharged from the drying unit to at least one of the humidifying unit and the recording unit, and a second duct that supplies the humidified gas generated by the humidifying unit to the recording unit. | 05-19-2011 |
| 20110134185 | RECOVERY PROCESSING METHOD FOR PRINT HEAD, AND INKJET PRINTING APPARATUS USING THE SAME - Wet wiping processing is performed on an ink ejection opening forming surface of a print head by use of a wiper. Then, as bubble removal processing, the print head is heated by use of either an electrothermal conversion element or a heat generating element located inside the print head, and then a control unit causes the print head to perform preliminary ejection K1 and preliminary ejection K2. | 06-09-2011 |
| 20110211008 | PRINT APPARATUS - A first reading unit that reads a pattern or an image formed on a sheet by a print unit for recognizing a print unit state, a second reading unit that reads a cut mark formed on the sheet on a downstream thereof, a cutter that cuts the sheet on a downstream thereof, and a reverse unit that reverses the sheet fed to the print unit again are provided. In duplex printing, the sheet where images are sequentially printed on a first surface is led to the reverse unit, the front and rear faces are reversed, and the sheet is fed to the print unit again. The sheet where images and cut marks are sequentially printed on a second surface is cut by the cutter for each piece and discharged. The sheet is cut on the basis of a reading of the cut mark by the second reading unit. | 09-01-2011 |
| 20110211018 | INKJET RECORDING APPARATUS AND METHOD FOR CONTROLLING IT - In order to efficiently perform preliminary ejection of ink at a bend of an ink circulation passage, the number of preliminary ejections of a nozzle group located on the outer side of the bend is set larger than the number of preliminary ejections of a nozzle group located in the middle of the bend. | 09-01-2011 |
| 20110211899 | PRINT CONTROL METHOD AND PRINT APPARATUS - A cut mark is recorded in an area between one image and the next image to be printed, and the recorded cut mark is to be detected. When the cut mark cannot be detected, a position of the cut mark is estimated based on information on an already detected cut mark and information on a length of the image printed after said already detected cut mark. A first cut position and a second cut position for cutting off the area are set based on the estimation. | 09-01-2011 |
| 20110254903 | PRINTING APPARATUS - Provided is a printing apparatus in which bubbles in a print head are easily removed. The printing apparatus includes a first one-way valve disposed between the pump and the ink tank in the collection channel, the first one-way valve allowing movement of ink from the pump to the ink tank and blocking movement of ink from the ink tank to the pump; a circulation channel that connects the ink tank to the collection channel at a position between the pump and the first one-way valve, the circulation channel enabling circulation of ink from the ink tank, through the print head, and to the ink tank; and a second one-way valve disposed in the circulation channel, the second one-way valve allowing movement of ink from the ink tank to the pump and blocking movement of ink from the pump to the ink tank. | 10-20-2011 |
| 20110273503 | INKJET PRINTING APPARATUS AND METHOD - A printing apparatus includes a plurality of inkjet print heads to which humidified air is supplied to retain the humidity in the print heads. Ink colors for the plurality of heads are arranged in a sequence corresponding to ink characteristics. The plurality of print heads are arranged in a sequence such that a print head configured to eject ink characterized by having a larger amount of volatile components evaporated within a predetermined time is located in a more upstream area. | 11-10-2011 |
| 20110279525 | RECORDING APPARATUS - An apparatus includes a recording head having nozzle chips arranged in a staggered configuration along a second direction that intersects a first direction in which a sheet is conveyed, a first suction portion corresponding to a first row of nozzle chips in the staggered configuration, and a second suction portion corresponding to a second row of nozzle chips. The first suction portion and the second suction port are in a positional relationship in which they are displaced in the second direction so as to correspond to displacement between a first nozzle chip in the first row and its neighboring second nozzle chip in the second row in the second direction. The apparatus further includes a positioning member having a plurality of reference surfaces for use in positioning the recording head at different locations in a third direction that intersects the first direction and the second direction. | 11-17-2011 |
| 20110279612 | INKJET PRINTING APPARATUS AND CALIBRATION METHOD - An apparatus includes: a drying unit to dry a printing medium on which an image was printed using an inkjet head; a humidification unit to humidify the printing medium that was dried by the drying unit so that the moisture content of the printing medium becomes the equilibrium state in the ambient environment; a colorimetric unit to perform colorimetry on the printing medium that was humidified by the humidification unit; and a calibration unit to calibrate printing properties on the basis of the result of colorimetry by the colorimetric unit. | 11-17-2011 |
| 20110279832 | INKJET PRINTING APPARATUS AND CALIBRATION METHOD - A waiting time Ts is decided on the basis of ink type information and ink feed amount information, referring to waiting time table A (Step | 11-17-2011 |
| 20110298849 | INKJET PRINTING APPARATUS - In a line-head type inkjet printing apparatus that ejects a plurality of types of inks, an inkjet printing apparatus is provided in which the change of its ejection properties different depending on the type of ink is prevented from occurring. The line-head type printing apparatus includes an acquisition unit that counts the ejection number of liquid from each of print heads in each of a plurality of print heads. Furthermore, the printing apparatus compares the ejection number of liquid from each of the print heads counted by the acquisition unit with a threshold value set for each of the print heads. The printing apparatus includes a change unit that can move a holder in the main scanning direction when the counted ejection number of liquid exceeds the threshold value set for the print head. | 12-08-2011 |
| 20110298859 | RECORDING METHOD AND RECORDING APPARATUS - A first humidified gas is supplied through a first supply port to a sheet. A second humidified gas is supplied to a space where nozzles of an inkjet recording head are exposed through a second supply port located at a position closer to the recording heads than the first supply port, to increase atmosphere humidity in the space. The sheet portion having a moisture content increased by the humidification in advance is advanced into the space having the increased atmosphere humidity, to record on the sheet using the inkjet recording head. An amount of humidification with the first humidified gas is set according to at least one recording condition. | 12-08-2011 |
| 20110310152 | INKJET PRINTING DEVICE AND INKJET PRINTING METHOD - An inkjet printing device that performs printing on a print medium with a print head including a nozzle for discharging ink, includes: a transport unit transporting the print medium; a printing unit discharging the ink while transporting the print medium such that the printing unit prints an image for printing and an image formed by a preliminary discharge; a first limiting unit limiting, based on image data on the image for printing, an ink amount to be discharged such that the amount of ink per unit area is equal to or less than an upper limit Alim; and a second limiting unit limiting an ink amount to be discharged for the image formed by the preliminary discharge such that the amount of ink per unit area is more than the upper limit Alim and is equal to or less than an upper limit Blim. | 12-22-2011 |
| 20110310155 | INKJET RECORDING HEAD AND INKJET RECORDING METHOD - The present invention provides a recording apparatus including recording heads each including a plurality of nozzle arrays that are arranged so as to overlap, wherein the width with which the overlapping portions of the recording heads for colors that are simultaneously used with a relatively high frequency overlap in an intersecting direction that intersects an array direction of nozzles is smaller than the width with which the overlapping portions of the recording heads for colors that are simultaneously used with a relatively low frequency overlap in the intersecting direction. | 12-22-2011 |
| 20110310178 | INKJET RECORDING APPARATUS AND INKJET RECORDING METHOD - The present invention provides a recording apparatus including recording heads each including a plurality of nozzle arrays that are arranged so as to overlap, wherein overlapping portions of the recording heads for two different colors are separated from each other with a distance therebetween in an array direction of nozzles. | 12-22-2011 |
| 20110316921 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - When an image is recorded using a multichip recording head including a plurality of chips each having a plurality of nozzle arrays, a change in image density can occur due to a registration error between chips in an overlapping part where two chips are connected. To suppress the change in image density, input image data is distributed to two chips such that there are dots overlapping each other between the two chips in the overlapping part. | 12-29-2011 |
| 20120026229 | INKJET PRINTING APPARATUS - To provide an inkjet printing apparatus that suppresses occurrence of image deterioration, such as a texture, a moire, and a streak in a printing result. In order for this to be achieved, a level is set up to a overlapping portion of a chip of a print head depending on dot impact accuracy, and a print data distribution rate of each chip in the overlapping portion is determined according to the level. | 02-02-2012 |
| Patent application number | Description | Published |
|---|
| 20080239004 | INK JET PRINT HEAD AND METHOD OF MANUFACTURING INK JET PRINT HEAD - An ink jet print head is provided which allows an ejection opening-formed surface to be cleaned well and can improve a precision with which ejected ink lands on a print medium. For this purpose, conductive layers of a conductive material are formed on the support substrate and planarized. The liquid ejection substrates are mounted on the support substrate with high precision, without a sealing agent, that protects electrical connecting portions on the liquid ejection substrates, protruding from the ejection opening-formed surface. | 10-02-2008 |
| 20090179965 | LIQUID EJECTION HEAD - A liquid ejection head is constituted by a liquid ejection substrate comprising a liquid supply port for supplying liquid, an ejection outlet for ejecting the liquid supplied from the liquid supply port, and ejection energy generating devices for generating energy for ejecting the liquid; and a supporting member having a supporting surface for supporting the liquid ejection substrate and a liquid supply hole for supplying liquid to the liquid ejection substrate, the liquid supply hole communicating with the liquid supply port of the liquid ejection substrate to form a communicating portion, a periphery of which is sealed by a sealant. The liquid supply hole of the supporting member has an opening larger than that of the liquid supply port of the liquid ejection substrate. The support member has an inner wall portion including an edge line portion defined by the liquid supply hole on a side where the liquid ejection substrate is to be disposed. The inner wall portion is covered with the sealant. | 07-16-2009 |
| 20090267994 | LIQUID DISCHARGE HEAD, INK JET RECORDING HEAD AND INK JET RECORDING APPARATUS - The invention provides an ink jet recording head, in which, for improving heat-dissipating property and electrode terminal connectivity and reducing production cost, second electrode terminals provided on a supporting surface of plural laminated sheets for supporting a liquid discharge substrate and to be connected with first electrode terminals of the liquid discharge substrate are provided outside an ink supply aperture formed in an outermost sheet constituting the supporting surface, and are supported by the outermost sheet and at least a sheet laminated thereunder. | 10-29-2009 |
| 20090309939 | LIQUID EJECTION HEAD, RECORDING APPARATUS HAVING THE SAME, AND RECORDING METHOD - A liquid ejection head includes at least one liquid ejecting substrate for ejecting liquid, a supporting member for supporting the at least one liquid ejecting substrate, the at least one liquid ejecting substrate being fixed to a main surface of the supporting member, and a plurality of liquid supplying members for supplying liquid to the at least one liquid ejecting substrate through the supporting member. A linear expansivity of each of the liquid supplying members is different from a linear expansivity of the supporting member. The plurality of the liquid supplying members are arranged along a longitudinal direction of the supporting member, with each of the liquid supplying members being bonded to a surface that is opposite the main surface of the supporting member. | 12-17-2009 |
| 20100013889 | INK JET PRINTING HEAD - There is inexpensively and simply provided a highly reliable printing head including a printing element substrate which is located with high positioning precision and therefore causes no occurrence of ink leak regardless of the printing head having a large printing width. An ink jet printing head comprising a plurality of printing element substrates in each of which a plurality of ejecting openings, printing elements and an ink supply opening, a support member and an ink supply member wherein the support member is formed of a first member and a second member and is integral with the first member so as to surround the first member and the support member and the ink supply member are bonded in such a manner that bonding faces of the first member and the second member, and the second member are not in contact with the opening. | 01-21-2010 |
| 20110211024 | RECORDING HEAD - A recording head includes: a recording element substrate having a plurality of discharge ports discharging a liquid and an energy generating element generating energy used to discharge the liquid from the discharge ports; an electrical wiring substrate having an opening portion in which the recording element substrate is provided and applies a driving signal to the recording element substrate; an electrical connection portion in which an electrode portion of the recording element substrate and an electrode portion of the electrical wiring substrate are electrically connected to each other by a wire; and a sealing material covering and sealing the electrical connection portion, wherein the electrical connection portion is provided with a reference member as a reference of at least one of an upper limit position and a lower limit position of the height of the surface of the sealing material with respect to thickness direction of the recording element substrate. | 09-01-2011 |
| 20110279545 | LIQUID DISCHARGE HEAD - A liquid discharge head includes a liquid discharge substrate having a discharge port array, and a channel member having a mounted face on which the liquid discharge substrate is mounted, channels for supplying liquid to the discharge port array, and a low thermal conductivity portion, wherein the channels includes an opening for flowing liquid, which is provided at a part except for both ends of the discharge port array, a first channel for passing the liquid, and a second channel for passing the liquid in a direction opposite to the liquid flowing direction in the first channel, wherein the opening, the first channel, the low thermal conductivity portion, and the second channel are provided in this order to be vertical to the mounted face, and the opening and the low thermal conductivity portion are provided to be at least partially overlapped one above the other. | 11-17-2011 |
| 20110279548 | LIQUID DISCHARGE HEAD AND ELECTRIC WIRING SUBSTRATE - A liquid discharge head includes a recording element substrate having a plurality of discharge ports for discharging liquid, and a plurality of recording elements for generating energy to discharge liquid, and an electric wiring substrate electrically connecting the recording element substrate and a driving circuit substrate having a circuit for driving the plurality of recording elements, the electric wiring substrate having a plurality of first electrical contact groups including a plurality of electrical contacts, for electrically connecting with the driving circuit substrate, provided along a disposed direction in which the plurality of discharge ports are disposed. The plurality of first electrical contact groups are detachably attached to a plurality of second electrical contact groups electrically connected with the driving circuit substrate, such that adjacent first electrical contact groups do not overlap each other in the disposed direction and in a direction orthogonal to the disposed direction. | 11-17-2011 |
| 20110279549 | LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE APPARATUS - A liquid discharge head includes a recording element substrate including a recording element that generates energy for discharging liquid from a discharge port, a base plate including a mounted surface on which the recording element substrate is mounted, an electric wiring substrate including a portion disposed on another surface of the base plate different from the mounted surface, adjacent to the mounted surface, and configured to be electrically connected to the recording element substrate, and an shield member having electric conductivity and configured to shield the portion. | 11-17-2011 |
| 20110279607 | LIQUID DISCHARGE HEAD, LIQUID DISCHARGE APPARATUS, AND LIQUID FILLING METHOD - A liquid discharge member includes discharge ports, and a first opening and a second opening that communicate with the discharge ports. A liquid supply member includes a first filter disposed in a gravitational direction and in a disposed direction, a first containing chamber containing the first filter, a second containing chamber containing the second filter, a first flow path connecting the first opening and the first containing chamber, and a second flow path connecting the second opening and the second containing chamber. The second filter and the first and the second flow path are disposed in an area between a surface perpendicular to the disposed direction and parallel to the gravitational direction and going through one end of the length of the first filter and a surface parallel to the first surface and going through the other end of the length of the first filter in the disposed direction. | 11-17-2011 |
| 20110310163 | LIQUID DISCHARGE HEAD AND METHOD FOR MANUFACTURING THE SAME - A liquid discharge head includes a recording element substrate including an energy generation element for generating energy used to discharge a liquid and a terminal electrically connected to the energy generation element, and an electric wiring board including an electrode electrically connected to the terminal via a wire to transmit an electric signal supplied from outside to the energy generation element, wherein the terminal has an area twice or more larger than a contact area between the terminal and the wire and the electrode has an area twice or more larger than a contact area between the electrode and the wire. | 12-22-2011 |
| 20120007926 | LIQUID DISCHARGE HEAD AND METHOD OF PRODUCING LIQUID DISCHARGE HEAD - A liquid discharge head includes an element substrate including an energy generating element; a supporting member adhesively supporting the element substrate; a sheet member adhesively bonded to the supporting member to adjoin the inner surface of an opening accommodating the element substrate in the sheet member and an end section of the element substrate; a wiring substrate bonded to the sheet member to adjoin the inner surface of an opening accommodating the element substrate in the wiring substrate and the end section of the element substrate and including a wire electrically connected to the energy generating element; and a sealant sealing a part electrical connecting the wiring substrate and element substrate, wherein the height of a wiring substrate surface opposite to that contacting the sheet member from supporting member is smaller than the element substrate surface opposite to that contacting the supporting member from the supporting member. | 01-12-2012 |
