公开(公告)号：US20210197584A1

公开(公告)日：2021-07-01

申请号：US17115814

申请日：2020-12-09

申请人： Kohki ASADA ,  Kazuaki KAMIHARA ,  Masato OGAWA ,  Hiroshi SAWASE ,  Yoshihiro TAKAHASHI ,  Genichiroh KAWAMICHI ,  Kenji NOZAWA ,  Ryusaku HIDA

发明人： Kohki ASADA ,  Kazuaki KAMIHARA ,  Masato OGAWA ,  Hiroshi SAWASE ,  Yoshihiro TAKAHASHI ,  Genichiroh KAWAMICHI ,  Kenji NOZAWA ,  Ryusaku HIDA

IPC分类号： B41J11/00 ,  B41M7/00

摘要： A heating device includes a conveyor configured to convey a sheet onto which a liquid is applied in a conveyance direction, an irradiator including a light emitter on an irradiation surface of the irradiator, the light emitter configured to emit light onto the sheet to heat the sheet with the light, a channel plate between the conveyor and the irradiation surface of the irradiator, an airflow generator configured to generate an airflow along the irradiation surface between the irradiation surface of the irradiator and the channel plate, and a suction device configured to suck and discharge the airflow in a direction from the irradiation surface of the irradiator toward the conveyor.

公开(公告)号：US20220063300A1

公开(公告)日：2022-03-03

申请号：US17411073

申请日：2021-08-25

申请人： Kohki ASADA ,  Kazuaki KAMIHARA ,  Masato OGAWA ,  Hiroshi SAWASE ,  Yoshihiro TAKAHASHI ,  Ryusaku HIDA ,  Kenji NOZAWA ,  Genichiroh KAWAMICHI

发明人： Kohki ASADA ,  Kazuaki KAMIHARA ,  Masato OGAWA ,  Hiroshi SAWASE ,  Yoshihiro TAKAHASHI ,  Ryusaku HIDA ,  Kenji NOZAWA ,  Genichiroh KAWAMICHI

IPC分类号： B41J11/00 ,  B41J29/377

摘要： A sheet heater includes a first conveyance belt configured to convey a sheet on which a liquid has been discharged in a conveyance direction, a heating unit facing the first conveyance belt, the heating unit configured to heat the sheet conveyed by the first conveyance belt, and a second conveyance belt disposed upstream of the first conveyance belt in the conveyance direction, the second conveyance belt configured to convey the sheet to the first conveyance belt. A surface temperature of the second conveyance belt is lower than a surface temperature of the first conveyance belt when the first conveyance belt and the second conveyance belt convey the sheet.

公开(公告)号：US20230011940A1

公开(公告)日：2023-01-12

申请号：US17834970

申请日：2022-06-08

申请人： Ryusaku HIDA ,  Kazuaki KAMIHARA ,  Kohki ASADA ,  Kenji NOZAWA ,  Genichiroh KAWAMICHI ,  Hiroshi SAWASE ,  Yoshihiro TAKAHASHI ,  Shun SAITO

发明人： Ryusaku HIDA ,  Kazuaki KAMIHARA ,  Kohki ASADA ,  Kenji NOZAWA ,  Genichiroh KAWAMICHI ,  Hiroshi SAWASE ,  Yoshihiro TAKAHASHI ,  Shun SAITO

IPC分类号： B41J2/175 ,  B41J2/145

摘要： A heater includes an irradiator configured to irradiate a heating object including a liquid attachment region, onto which a liquid is applied, with an active energy ray, and circuitry configured to control an output of the active energy ray emitted from the irradiator to an edge portion in the liquid attachment region of the heating object to be larger than an output of the active energy ray emitted from the irradiator to a non-edge portion in the liquid attachment region excluding the edge portion.

公开(公告)号：US20210221149A1

公开(公告)日：2021-07-22

申请号：US17120288

申请日：2020-12-14

申请人： Daisuke NAKAMURA ,  Masato OGAWA ,  Kenji NOZAWA ,  Kohki ASADA ,  Hiroshi SAWASE ,  Kazuaki KAMIHARA ,  Yoshihiro TAKAHASHI ,  Ryusaku HIDA

发明人： Daisuke NAKAMURA ,  Masato OGAWA ,  Kenji NOZAWA ,  Kohki ASADA ,  Hiroshi SAWASE ,  Kazuaki KAMIHARA ,  Yoshihiro TAKAHASHI ,  Ryusaku HIDA

IPC分类号： B41J11/00

摘要： A heating device includes a heat irradiator configured to heat a sheet on which a liquid is applied and is conveyed in a conveyance direction, an ultraviolet irradiator on a downstream of the heat irradiator in the conveyance direction, the ultraviolet irradiator configured to heat a portion of the sheet, and a circuitry configured to control an output of the heat irradiator and an output of the ultraviolet irradiator based on a thickness of the sheet.

公开(公告)号：US20220281241A1

公开(公告)日：2022-09-08

申请号：US17681844

申请日：2022-02-28

申请人： Hiroshi SAWASE ,  Kazuaki KAMIHARA ,  Kohki ASADA ,  Ryusaku HIDA ,  Yoshihiro TAKAHASHI

发明人： Hiroshi SAWASE ,  Kazuaki KAMIHARA ,  Kohki ASADA ,  Ryusaku HIDA ,  Yoshihiro TAKAHASHI

IPC分类号： B41J11/00 ,  B41J2/525

摘要： A liquid discharge apparatus includes a first liquid that generates heat in an absorption wavelength region of an active energy ray, a first discharger configured to discharge the first liquid, a second liquid that starts polymerization in the absorption wavelength region of the active energy ray, a second discharger configured to discharge the second liquid, and an irradiator configured to irradiate the first liquid and the second liquid with the active energy ray.

公开(公告)号：US20180134033A1

公开(公告)日：2018-05-17

申请号：US15730890

申请日：2017-10-12

申请人： Hiroshi SAWASE

发明人： Hiroshi SAWASE

IPC分类号： B41J2/045 ,  B41J2/175 ,  B41J2/14

CPC分类号： B41J29/38 ,  B41J2/14274 ,  B41J2/175 ,  B41J2/17596 ,  B41J2/18 ,  B41J2202/12 ,  B41J2202/21

摘要： A liquid discharge apparatus includes a circulation channel in which liquid circulates, a liquid discharge head disposed on the circulation channel to discharge the liquid, a bypass channel to connect an upstream portion and a downstream portion of the liquid discharge head, a switch to switch the circulation channel between a first route in which the bypass channel is a part of the circulation channel and a second route in which the bypass channel is not a part of the circulation channel, a pressure generator to generate pressure to circulate the liquid in the circulation channel, a degassing device to degas the liquid in the circulation channel, and control circuitry to perform a degassing operation to degas the liquid by circulating the liquid in the circulation channel.

公开(公告)号：US20130033536A1

公开(公告)日：2013-02-07

申请号：US13557678

申请日：2012-07-25

申请人： Hiroshi SAWASE

发明人： Hiroshi SAWASE

IPC分类号： B41J29/38

CPC分类号： B41J3/60 ,  B41J2/16526 ,  B41J2/16579

摘要： An image forming apparatus includes a plurality of nozzles to discharge liquid droplets; a recording head including a pressure generator to generate a pressure to cause the nozzles to discharge liquid droplets; a droplet discharge status sensor unit to detect a droplet discharging status from each nozzle; and a maintenance controller to control a maintenance operation by a dummy discharge of liquid droplets not contributing to image formation. In such an image forming apparatus, the droplet discharge status sensor unit compares a detection result of the droplet discharge status and a preset reference threshold and determines whether the nozzle discharges normally or defectively; and the maintenance controller outputs a dummy discharge drive waveform corresponding to a difference between the detected droplet discharge status and the reference threshold to the pressure generator of the nozzle determined to be defective to cause the nozzle to discharge droplets for dummy discharging.

摘要翻译： 图像形成装置包括用于排出液滴的多个喷嘴; 记录头，包括压力发生器，以产生使喷嘴排出液滴的压力; 液滴喷射状态传感器单元，用于检测来自每个喷嘴的液滴喷射状态; 以及维护控制器，通过对图像形成无贡献的液滴的虚拟排出来控制维护操作。 在这种图像形成装置中，液滴喷出状态传感器单元将液滴喷射状态的检测结果与预先设定的基准阈值进行比较，并判定喷嘴是否正常排出或者是有缺陷; 并且维护控制器将与检测到的液滴喷射状态和参考阈值之间的差相对应的虚拟排出驱动波形输出到被确定为有缺陷的喷嘴的压力发生器，以使喷嘴排出用于虚拟放电的液滴。