Patent application number | Description | Published |
20080226377 | PRINTER - A printer includes first transporting belts disposed in parallel at predetermined intervals in the direction intersecting the direction of transportation of print media. The first transporting belts transport a print medium while adsorbing the print medium. Second transporting belts disposed in parallel at predetermined intervals in the direction intersecting the direction of transportation of print media further transport the print media. The second transporting belts are separated from the first transporting belts at the downstream part of the first transporting belts in the direction of transportation of print media. A print head prints on the print medium. The position of separation at which the print medium is separated from the first transporting belts is different in the direction of transportation of print media between one of the first transporting belts and another one of the first transporting belts. | 09-18-2008 |
20090160925 | RECORDING APPARATUS AND METHOD FOR HEATING RECORDING MEDIUM - A recording apparatus is provided which includes recording means for ejecting liquid so that the liquid is recorded on a recording medium; transporting means for transporting the recording means relative to the recording medium; microwave irradiation means for irradiating microwaves to the recording medium; microwave reception means for receiving the microwaves reflected from the recording medium; and microwave irradiation control means for determining a dryness level of the recording medium based on a reception level of the microwave reception means and controlling an irradiation dose or an irradiation intensity of the microwaves irradiated by the microwave irradiation means in accordance with the dryness level. | 06-25-2009 |
20090184987 | RECORDING APPARATUS IN WHICH RECORDING MEDIUM IS HEATED AND METHOD FOR THE SAME - A recording apparatus includes a recording unit having a record head and ejecting liquid from the record head to record dots on a recording medium; a print-data generating unit that generates print data to be recorded on the recording medium; a heating unit that emits microwaves onto the recording medium to dry the liquid ejected from the record head and is partitioned into a plurality of radiation areas to be allowed to emit the microwaves from the individual radiation areas; a radiation-quantity determination unit that determines the quantities of the microwaves to be emitted from the individual radiation areas of the heating unit in accordance with the print data; and a radiation-quantity control unit that controls the quantities of the microwaves to be emitted from the individual radiation areas on the basis of the determination on the quantities of radiation of the microwaves. | 07-23-2009 |
20090231387 | LIQUID EJECTING APPARATUS - There is provided a liquid ejecting apparatus having a non contact type heater for heating a recording medium on which liquid is ejected via a liquid ejecting head, the heater having a heat generating surface and the heater being arranged in parallel to the liquid ejecting head along a transport direction of the recording medium. The liquid ejecting apparatus includes a mist suctioning unit for suctioning floating mist generated by ejection of the liquid. The mist suctioning unit includes a nozzle plate in which nozzle orifices for ejecting the liquid are formed, the nozzle plate being provided on the liquid ejecting head, an electrode member provided at a marginal portion of the heat generating surface, and an electric potential difference generator for generating an electric potential difference between the electrode member and the nozzle plate to electrostatically absorb the mist on the marginal portion of the heat generating surface. | 09-17-2009 |
20090289980 | LIQUID JET APPARATUS, PRINTING APPARATUS, AND METHOD OF ADJUSTING PHASE OF DRIVE PULSE - A liquid jet apparatus including a plurality of nozzles provided to a liquid jet head, an actuator corresponding to each of the nozzles, and drive unit that applies a drive pulse to each of the actuators, wherein the drive unit includes correction value storing unit that stores a drive pulse application timing correction value corresponding to the number of actuators to be driven at the same time, and drive pulse application timing correction unit that corrects the drive pulse application timing using the drive pulse application timing correction value stored in the correction value storing unit. | 11-26-2009 |
20090303271 | HEAD DRIVE DEVICE AND DRIVE CONTROL METHOD OF INK JET PRINTER, AND INK JET PRINTER - A head drive apparatus of an ink jet printer having: a plurality of nozzles for jetting liquid drops that are provided for an ink jet head; a plurality of actuators provided in correspondence to the nozzles; and a drive unit that applies a drive signal to the actuators, wherein the drive unit comprising: a drive waveform generator that generates a drive waveform signal being standard of a signal to control drive of the actuators; a modulator that modulates a pulse of a drive waveform signal generated by the drive waveform generator; a digital power amplifier for amplifying power of a modulated signal subjected to the pulse modulation by the modulator; and a low pass filter for smoothing an amplified digital signal subjected to the power amplification by the digital power amplifier and supplying the signal as a drive signal to the actuators. | 12-10-2009 |
20100103237 | RECORDING APPARATUS AND METHOD FOR DRYING TARGET - A recording apparatus includes a transport unit that transports a target from an upstream side of a transport direction to a downstream side of the transport direction, a recording unit having a configuration in which at least one of a plurality of unit heads is deviated from another unit head in the transport direction, and performing a recording operation by attaching liquid to a target by each unit head, the unit heads allowing liquid ejecting nozzles to form nozzle arrays in a width direction of the target perpendicular to the transport direction, and a plurality of drying units having an arrangement identical to the arrangement of the unit heads in the transport direction and the width direction at a downstream side of the transport direction as compared with the recording unit, and drying the target. | 04-29-2010 |
20100110156 | DRYING APPARATUS, RECORDING APPARATUS AND METHOD FOR DRYING TARGET - A drying apparatus includes a transport unit that transports a target in a form of a cut sheet, on which a recording process has been performed through the attachment of liquid, from an upstream side to a downstream side of a transport direction. A drying unit performs a drying process on the transported target by blowing air toward a liquid attachment surface of the target. The drying unit is provided with a blowing port which allows air to blow toward an end portion of the target at the downstream side of the transport direction in a first direction from the upstream side to the downstream side of the transport direction, and allows air to blow toward an end portion of the target at the upstream side of the transport direction in a second direction from the downstream side to the upstream side of the transport direction. | 05-06-2010 |
20100188455 | RECORDING APPARATUS AND METHOD OF CONTROLLING AIR RELEASING VALVE IN DRYING SECTION OF THE RECORDING APPARATUS - Provided is a recording apparatus comprising recording heads; a medium feeding unit; a position detecting unit; a drying section including an air generating unit and generates air, an air guiding portion, the drying section bringing the air guided by the air guiding portion into contact with the recording medium via an opening portion; a branching path which branches off over the range where the opening portion extends in the feeding direction, branches and guides part of the air flowing from the upstream side to the downstream side in the feeding direction in the air guiding portion of the drying section; an air releasing valve; and a control section which controls the opening or closing of the air releasing valve according to the position of the recording medium. | 07-29-2010 |
20100220133 | HEAD DRIVE APPARATUS OF INKJET PRINTER AND INKJET PRINTER - A head drive device of an inkjet printer having a nozzles and corresponding actuators that jet liquid drops. A drive section applies a drive signal to the actuators. The head drive device includes a drive waveform generating section that generates a drive waveform signal which is used as a reference of a signal to control drive of the actuators. A modulating section modulates a pulse of a drive waveform signal generated by the drive waveform generating section. A digital power amplifier amplifies power of a modulated signal subjected to the pulse modulation. A low pass filter smoothes a power-amplified modulated signal subjected to the power amplification by the digital power amplifier and supplies the signal as a drive signal to the actuators. A frequency characteristics adjusting section adjusts frequency characteristics of the low pass filter as a function of the number of the actuators. | 09-02-2010 |
20110157286 | FLUID EJECTING APPARATUS - A fluid ejecting apparatus includes a fluid ejecting head that ejects fluid onto a target; a passing-flow-path forming member that forms a passing flow path through which the target and gas can pass from the upstream side to the downstream side in the transportation direction on the downstream side of the fluid ejecting head in the target transportation direction; a first blower that blows gas toward the downstream side in the transportation direction onto a first surface of the target in the passing flow path immediately after the first surface receives fluid ejected from the fluid ejecting head; and a second blower that blows gas toward the downstream side in the transportation direction onto a second surface of the target in the passing flow path, the second surface being opposite the first surface. | 06-30-2011 |
20110187804 | LIQUID EJECTING APPARATUS - A printer includes a reversal transportation path which transports a paper to which ink ejected from liquid ejecting heads has adhered toward a downstream side in the transportation direction. In the printer, the reversal transportation path is formed between a pair of guiding plates having a substantially circular arc shape along the transportation direction of the paper and opening holes which blow out wind toward the reversal transportation path from a blowing unit are provided on an inner guiding plate of the pair of the guiding plates, which is positioned at the center side of the circular arc shape. | 08-04-2011 |
20110205316 | FLUID EJECTING APPARATUS - At a transport pathway which transports recording paper, a passage flow path which can pass the recording paper and gas from the upstream side toward the downstream side in a transport direction is provided and also a reversing flow path portion which reverses the recording paper by passing the recording paper while twisting and rotating the recording paper with an axis line extending in the transport direction as a rotation center is provided at the passage flow path. | 08-25-2011 |
20120092401 | HEAD DRIVE DEVICE OF INKJET PRINTER AND INKJET PRINTER - A head drive of an inkjet printer includes nozzles and corresponding actuators that eject liquid ink drops. A drive unit applies a drive signal to the actuators. The drive unit includes a drive waveform generator that generates a drive waveform signal to control the drive of the actuators. A modulator pulse modulates the drive waveform. A digital power amplifier amplifies power of the modulated signal. A low pass filter smoothes the amplified digital signal and supplies the signal as a drive signal to the actuators. An inverse filter provided in a subsequent stage of the drive waveform generator corrects at least the frequency characteristics of the filter to predetermined frequency characteristics, independent of the number of the actuators to drive. | 04-19-2012 |
20130257945 | PRINTING APPARATUS AND INSPECTION METHOD - A liquid discharge apparatus which causes a liquid to be discharged through a first nozzle by applying a driving signal to a first driving element, and causes a liquid to be discharged through a second nozzle by applying the driving signal to a second driving element, and which, with respect to the first nozzle, determines on the basis of an image formed by causing the liquid to be discharged through the first nozzle whether or not the first nozzle causes a liquid discharge failure, and, with respect to the second nozzle, determines on the basis of a detection signal which is obtained by applying the driving signal to the second driving element whether or not the second nozzle corresponding to the second driving element causes a liquid discharge failure. | 10-03-2013 |