EXPOSURE DEVICE, IMAGE FORMING APPARATUS, AND COMPUTER-READABLE MEDIUM
    2.
    发明申请
    EXPOSURE DEVICE, IMAGE FORMING APPARATUS, AND COMPUTER-READABLE MEDIUM 有权
    曝光装置,图像形成装置和计算机可读介质

    公开(公告)号:US20100245526A1

    公开(公告)日:2010-09-30

    申请号:US12561745

    申请日:2009-09-17

    Abstract: An exposure device includes plural light-emitting elements, a light amount detection unit, a controller, plural holding units and a connection unit. The controller sequentially determines control values of the light-emitting elements based on comparison between the light amounts detected by the light amount detection unit and a predetermined reference value. The holding units are provided for the light-emitting elements, respectively. Each holding unit holds a control voltage of the controller. When the controller is to sequentially determine control values of a part of the plurality of light-emitting elements, the connection units connects the controller and the holding units corresponding to one or more light-emitting elements for which control values are determined earliest among the part of the plural light-emitting elements, before the controller determines the control values of the one or more light-emitting elements.

    Abstract translation: 曝光装置包括多个发光元件,光量检测单元,控制器,多个保持单元和连接单元。 控制器基于由光量检测单元检测的光量与预定参考值之间的比较顺序地确定发光元件的控制值。 分别为发光元件设置保持单元。 每个保持单元保持控制器的控制电压。 当控制器依次确定多个发光元件的一部分的控制值时,连接单元将控制器和对应于一个或多个发光元件的保持单元连接起来,其中控制值最早被确定在该部件中 在控制器确定一个或多个发光元件的控制值之前,多个发光元件。

    EXPOSURE DEVICE, IMAGE FORMING APPARATUS AND COMPUTER-READABLE MEDIUM
    3.
    发明申请
    EXPOSURE DEVICE, IMAGE FORMING APPARATUS AND COMPUTER-READABLE MEDIUM 有权
    曝光装置,图像形成装置和计算机可读介质

    公开(公告)号:US20100208025A1

    公开(公告)日:2010-08-19

    申请号:US12569933

    申请日:2009-09-30

    CPC classification number: B41J2/473 G03G15/043 G03G15/0435 G03G15/326

    Abstract: An exposure device includes a reference current generating unit generating a reference current for each image of respective colors, a photoelectric current generating unit generating a photoelectric current in response to a light amount of the light emitting element, a driving unit driving the light emitting element, a first controller, a drive voltage holding unit holding a drive voltage given to the driving unit, a second controller controlling the driving unit based on the drive voltage held, a comparison current generating unit generates a comparison current, a difference current generating unit generating a difference current, of each color, corresponding to a difference between the reference current of each color and the comparison current. The first controller compares a value obtained by adding the difference current of each color to the photoelectric current with the comparison current to control the driving unit so that the photoelectric current becomes the reference current.

    Abstract translation: 曝光装置包括:对于各种颜色的每个图像生成参考电流的参考电流产生单元,响应于发光元件的光量产生光电流的光电流产生单元,驱动发光元件的驱动单元, 第一控制器,保持提供给驱动单元的驱动电压的驱动电压保持单元,基于保持的驱动电压控制驱动单元的第二控制器,比较电流产生单元生成比较电流;差动电流产生单元, 每个颜色的差分电流对应于每种颜色的参考电流与比较电流之间的差。 第一控制器将通过将每种颜色的差分电流与光电流相加获得的值与比较电流进行比较,以控制驱动单元,使得光电流变为参考电流。

    Exposure device for controlling light emitting elements
    4.
    发明授权
    Exposure device for controlling light emitting elements 有权
    用于控制发光元件的曝光装置

    公开(公告)号:US08237762B2

    公开(公告)日:2012-08-07

    申请号:US12569933

    申请日:2009-09-30

    CPC classification number: B41J2/473 G03G15/043 G03G15/0435 G03G15/326

    Abstract: An exposure device includes a reference current generating unit generating a reference current for each image of respective colors, a photoelectric current generating unit generating a photoelectric current in response to a light amount of the light emitting element, a driving unit driving the light emitting element, a first controller, a drive voltage holding unit holding a drive voltage given to the driving unit, a second controller controlling the driving unit based on the drive voltage held, a comparison current generating unit generates a comparison current, a difference current generating unit generating a difference current, of each color, corresponding to a difference between the reference current of each color and the comparison current. The first controller compares a value obtained by adding the difference current of each color to the photoelectric current with the comparison current to control the driving unit so that the photoelectric current becomes the reference current.

    Abstract translation: 曝光装置包括:对于各种颜色的每个图像生成参考电流的参考电流产生单元,响应于发光元件的光量产生光电流的光电流产生单元,驱动发光元件的驱动单元, 第一控制器,保持提供给驱动单元的驱动电压的驱动电压保持单元,基于保持的驱动电压控制驱动单元的第二控制器,比较电流产生单元生成比较电流;差动电流产生单元, 每个颜色的差分电流对应于每种颜色的参考电流与比较电流之间的差。 第一控制器将通过将每种颜色的差分电流与光电流相加获得的值与比较电流进行比较,以控制驱动单元,使得光电流变为参考电流。

    Exposure device for controlling light emitting elements
    7.
    发明授权
    Exposure device for controlling light emitting elements 有权
    用于控制发光元件的曝光装置

    公开(公告)号:US08217973B2

    公开(公告)日:2012-07-10

    申请号:US12561745

    申请日:2009-09-17

    Abstract: An exposure device includes plural light-emitting elements, a light amount detection unit, a controller, plural holding units and a connection unit. The controller sequentially determines control values of the light-emitting elements based on comparison between the light amounts detected by the light amount detection unit and a predetermined reference value. The holding units are provided for the light-emitting elements, respectively. Each holding unit holds a control voltage of the controller. When the controller is to sequentially determine control values of a part of the plurality of light-emitting elements, the connection units connects the controller and the holding units corresponding to one or more light-emitting elements for which control values are determined earliest among the part of the plural light-emitting elements, before the controller determines the control values of the one or more light-emitting elements.

    Abstract translation: 曝光装置包括多个发光元件,光量检测单元,控制器,多个保持单元和连接单元。 控制器基于由光量检测单元检测的光量与预定参考值之间的比较顺序地确定发光元件的控制值。 分别为发光元件设置保持单元。 每个保持单元保持控制器的控制电压。 当控制器依次确定多个发光元件的一部分的控制值时,连接单元将控制器和对应于一个或多个发光元件的保持单元连接起来,其中控制值最早被确定在该部件中 在控制器确定一个或多个发光元件的控制值之前,多个发光元件。

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