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    • 41. 发明授权
    • Inkjet heads
    • 喷墨头
    • US07905570B2
    • 2011-03-15
    • US11693963
    • 2007-03-30
    • Koji Ito
    • Koji Ito
    • B41J2/015B41J2/175
    • B41J2/14209B41J2002/14217B41J2002/14225B41J2002/14306B41J2002/14362B41J2002/14403B41J2002/14419B41J2002/14459B41J2002/14491B41J2202/08
    • An inkjet head includes a flow passage unit having an ink flow passage formed therein, in which ink flows, and an actuator unit secured to the flow passage unit. The actuator unit is configured to apply a discharge energy to the ink within the ink flow passage. The inkjet head also includes a driver IC configured to supply a drive signal to the actuator unit, a plurality of plates extending from the flow passage unit, and a cover member secured to the plurality of plates. The cover member, the plurality of plates, and the flow passage unit define a closed space, and the driver IC is disposed within the closed space. Moreover, the driver IC opposes at least a portion of an inside surface of one of the plurality of plates and is thermally coupled to the one of the plurality of plates, and an outside surface of the one of the plurality plates has a heat radiation property which is greater than a heat radiation property of the inside surface of the one of plurality of plates.
    • 喷墨头包括具有形成在其中的油墨流动通道的流动通道单元,其中油墨流动,并且致动器单元固定到流路单元。 致动器单元构造成向墨水流动通道内的墨水施加排出能量。 喷墨头还包括被配置为向致动器单元提供驱动信号的驱动器IC,从流动通道单元延伸的多个板以及固定到多个板的盖构件。 盖构件,多个板和流路单元限定封闭空间,并且驱动器IC设置在封闭空间内。 此外,驱动器IC与多个板中的一个板的内表面的至少一部分相对并且与多个板中的一个热耦合,并且多个板之一的外表面具有散热性 其大于多个板中的一个的内表面的散热性。
    • 43. 发明授权
    • Image recording apparatus
    • 图像记录装置
    • US07717529B2
    • 2010-05-18
    • US12251806
    • 2008-10-15
    • Koji Ito
    • Koji Ito
    • B41J25/308
    • B41J11/007B41J25/308
    • An image recording apparatus including: a medium-convey belt; a recording head; an image sensor being movable together with the recording head and including an image-pickup element, an image-forming optical system, and a light-entering surface which is more distant from the medium-convey belt than an ejection surface of the recording head, and a raising and lowering mechanism which positions the recording head, wherein the recording head is positioned, when in an inspecting mode in which the recording head is inspected, at a first height at which an optical image of an image recorded on the medium-convey belt or recorded on the recording medium on the medium-convey belt is formed on the image-pickup element by the image-forming optical system, while positioned, when in a normal recording mode, at a second height at which the ejection surface is more distant from the medium-convey belt than at the first height, and wherein the image sensor picks up the image when the recording head is positioned at the first height.
    • 一种图像记录装置,包括:介质输送带; 录音头 图像传感器与记录头一起可移动,并且包括图像拾取元件,图像形成光学系统和与中间输送带相比离开记录头的喷射表面更远的光入射表面, 以及升高和降低机构,其在记录头被检查的检查模式中定位记录头的位置,其中记录头被定位在记录在介质传送器上的图像的光学图像的第一高度处 带或记录在介质传送带上的记录介质上,通过图像形成光学系统在图像拾取元件上形成,当处于正常记录模式时,位于喷射表面更多的第二高度处 远离中等传送带比在第一高度处,并且其中当记录头位于第一高度时,图像传感器拾取图像。
    • 45. 发明授权
    • Ink-jet recording apparatus with environmental temperature based drive-signal generation
    • 具有环境温度驱动信号生成的喷墨记录装置
    • US07658461B2
    • 2010-02-09
    • US11391466
    • 2006-03-29
    • Koji Ito
    • Koji Ito
    • B41J29/38B41J2/045
    • B41J2/14209B41J2/04541B41J2/04553B41J2/04581B41J2/04593B41J2002/14225B41J2002/14419B41J2202/20
    • An ink-jet recording apparatus including: (A) an ink-jet head which includes: a channel unit having a plurality of nozzles and a plurality of pressure chambers that respectively communicate with the plurality of nozzles; and an actuator unit which is disposed on the channel unit and to which drive signals are applied, thereby changing a volume of the plurality of pressure chambers; (B) a driver IC which is disposed on the ink-jet head and which includes: a drive-signal generating portion for generating the drive signals and applying the generated drive signals to the actuator unit; and a temperature sensor for detecting an environmental temperature of the actuator unit; and (C) a control device arranged to execute a low-temperature-condition control by controlling the drive-signal generating portion to generate the drive signals so as to change the volume of the plurality of pressure chambers, where the environmental temperature detected by the temperature sensor is not higher than a prescribed first temperature.
    • 一种喷墨记录装置,包括:(A)喷墨头,其包括:具有多个喷嘴的通道单元和分别与所述多个喷嘴连通的多个压力室; 以及致动器单元,其设置在所述通道单元上并且被施加驱动信号,从而改变所述多个压力室的容积; (B)设置在喷墨头上的驱动器IC,其包括:驱动信号产生部分,用于产生驱动信号并将产生的驱动信号施加到致动器单元; 以及用于检测所述致动器单元的环境温度的温度传感器; 以及(C)控制装置,其被配置为通过控制驱动信号产生部分来产生驱动信号来执行低温状态控制,以便改变多个压力室的体积,其中由 温度传感器不高于规定的第一温度。
    • 46. 发明申请
    • ELECTRIC POWER SOURCE SYSTEM AND METHOD FOR THE SAME
    • 电源系统及其相关方法
    • US20090261796A1
    • 2009-10-22
    • US12373833
    • 2007-07-17
    • Koji ItoToshinori EsakaHidenori Matsuto
    • Koji ItoToshinori EsakaHidenori Matsuto
    • G05F1/618
    • H02M3/1582B60R16/03H02J2001/008H02M2001/0045
    • An electric power source system in which a momentary interruption of the electric power supply does not occur when the direction of voltage conversion is switched by a voltage conversion device that is capable of bidirectional voltage conversion. The electric power source system includes a bidirectional switching regulator that selectively switches between the voltage conversion in the step-up direction from a low-voltage system to a high-voltage system and the voltage conversion in the step-down direction from the high-voltage system to the low-voltage system, and a linear regulator, connected in parallel to the bidirectional switching regulator, that converts voltage in the step-down direction. The direction of current that flows via the bidirectional switching regulator switches from the step-up direction to the step-down direction after current flows in the step-down direction via the linear regulator.
    • 一种电源系统,其中当通过能够进行双向电压转换的电压转换装置切换电压转换方向时,不会发生电力供应的瞬时中断。 电源系统包括双向开关调节器,其选择性地在升压方向上从低电压系统到高电压系统之间的电压转换和从高压的降压方向的电压转换 系统到低压系统,以及与双向开关调节器并联连接的线性稳压器,其在降压方向上转换电压。 电流通过双向开关调节器流过的电流方向通过线性稳压器在降压方向上流动后,从升压方向向降压方向转换。
    • 47. 发明申请
    • IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
    • 图像处理装置和图像处理方法
    • US20090244631A1
    • 2009-10-01
    • US12414493
    • 2009-03-30
    • Tomoyuki HansakiTakatoshi OtaHiroaki SugiuraKoji Ito
    • Tomoyuki HansakiTakatoshi OtaHiroaki SugiuraKoji Ito
    • H04N1/40
    • H04N1/405
    • An image processing apparatus configured to generate recording data used in an image forming processing for carrying out an image formation by performing a recording scan by plural times on a same image region on a recording medium, includes a division unit for dividing input image data into image data for each recording scan, a quantization unit for quantizing, based on the divided image data for each recording scan, the image data for each recording scan, and a generation unit for generating, based on the quantized image data for each recording scan, recording data for each recording scan, in which the division unit divides the input image data into the image data for each recording scan based on a division rate periodically varying in accordance with a spatial position of an image represented by the input image data.
    • 一种图像处理装置,被配置为生成用于通过在记录介质上的同一图像区域上多次执行多次记录扫描的图像形成处理中使用的记录数据,包括:将输入图像数据分割为图像的分割单元 用于每个记录扫描的数据,用于根据每个记录扫描的分割图像数据量化用于每个记录扫描的图像数据的量化单元,以及用于根据每个记录扫描的量化图像数据生成记录 用于每个记录扫描的数据,其中分割单元基于根据由输入图像数据表示的图像的空间位置周期性变化的分频率,将输入图像数据划分成用于每个记录扫描的图像数据。