Patent application number | Description | Published |
20080238974 | Droplet ejection device - A droplet ejection device includes: an ejection head having an actuator and a nozzle; an interface configured to receive data; and a controller configured to (a) execute, based on the received data, ejection control in which liquid droplets having respective different volumes are selectively ejected from the nozzle to a medium by driving the actuator and (b) execute recovery control in which ejection performance of the recording head is recovered by driving the actuator. The controller is configured to (c) determine, based on the received data, a volume of a droplet to be first ejected from the nozzle under the ejection control subsequent to the recovery control, and (d) set, based on the determined volume, a condition for driving the actuator to execute the recovery control. | 10-02-2008 |
20080238983 | Image forming apparatus - An image forming apparatus is provided. The image forming apparatus includes a carriage comprising a recording head that ejects a liquid toward a recording medium, the carriage configured to reciprocate along a travel path in a widthwise direction of the recording medium; a receiving unit disposed in a position opposed to the recording head so as to receive a fluid which is flushed from the recording head; and a movement device configured to move the receiving unit below the travel path of the carriage to a position which is outside and proximate to an edge in the widthwise direction of the recording medium. | 10-02-2008 |
20090219314 | LIQUID DROPLET EJECTING APPARATUS - A liquid droplet ejecting apparatus includes an ejecting head configured to eject liquid droplets onto an ejected target element to form a of dots arranged at predetermined dot intervals in dot columns. The liquid droplet ejecting head has a flow passage unit including individual flow passages including a first individual flow passage and a second individual flow passage, at least one common liquid chamber in fluid communication with each individual flow passage; and a plurality of nozzles, including a first nozzle fluidly communicating with the first individual flow passage and a second nozzle fluidly communicating with the second flow passage. A control unit causes a liquid droplet to be ejected from the first nozzle, then moves the ejecting head less than the dot interval, then subsequently suspends the first nozzle from ejecting, and ejects a liquid droplet from the second nozzle. | 09-03-2009 |
20090244139 | LIQUID DROPLET EJECTING APPARATUS - An object of the invention is to provide a liquid droplet ejecting apparatus capable of determining a type of droplet to be ejected through each nozzle at an arbitrary ejection timing, with consideration of not only an influence of droplet ejections at preceding and following ejection timings, but also crosstalk between a nozzle column and another nozzle column. | 10-01-2009 |
20090245907 | IMAGE PROCESSING DEVICES AND SHEET FEEDING DEVICES - An image forming apparatus including an image forming portion that forms an image on a surface of a sheet, a feeding device that feeds the sheet in a sheet feeding direction, a sheet receiving portion, and an engagement portion selectively moves between a first position and a second position. When the engagement portion is in the first position, the engagement portion engages the leading end of the sheet. When the engagement portion is in the second position, the engagement portion does not engage the sheet. When the engagement portion is in the first position, the engagement portion engages a leading end of the sheet before a trailing end of the sheet passes the feeding device. The sheet receiving portion receives the sheet after the engagement portion engages the leading end of the sheet. | 10-01-2009 |
20090267978 | LIQUID DROPLET JETTING APPARATUS AND PROGRAM FOR CONTROLLING JETTING A LIQUID DROPLET - A data generating circuit incorporated in an ASIC includes a first jetting mode memory circuit which stores information related to a plurality of first jetting modes, a time-sequence information memory circuit which stores time-sequence information of a jetting mode which associates one of the plurality of first jetting modes, for each jetting timing of the nozzle, a second jetting mode memory circuit which stores information related to a plurality of second jetting modes, which are more than types of the plurality of first jetting modes, and a jetting mode selecting circuit which selects a jetting mode at an arbitrary jetting timing among the plurality of second jetting modes, based on the first jetting modes at the arbitrary jetting timing and at least one of the previous and subsequent jetting timings. | 10-29-2009 |
20110050809 | PIEZOELECTRIC ACTUATOR AND LIQUID DISCHARGE APPARATUS PROVIDED WITH THE SAME - A piezoelectric actuator is provided, including a vibration plate, a piezoelectric layer, a plurality of individual electrodes arranged in two arrays, first and second common electrodes which have first and second facing portions facing parts of the individual electrodes and first and second connecting portions connecting the first and second facing portions respectively, and first and second wiring portions which are arranged on the vibration plate and which are connected to the first and second common electrodes respectively via first and second connecting wirings, wherein one of the first connecting wirings connects the first connecting portion and one of the first wiring portion while striding over the second connecting portion. | 03-03-2011 |
20150035912 | Ink-jet head - A piezoelectric actuator is provided, including a vibration plate, a piezoelectric layer, a plurality of individual electrodes arranged in two arrays, first and second common electrodes which have first and second facing portions facing parts of the individual electrodes and first and second connecting portions connecting the first and second facing portions respectively, and first and second wiring portions which are arranged on the vibration plate and which are connected to the first and second common electrodes respectively via first and second connecting wirings, wherein one of the first connecting wirings connects the first connecting portion and one of the first wiring portion while striding over the second connecting portion. | 02-05-2015 |