Apparatus for controlling a power source
    1.
    发明授权
    Apparatus for controlling a power source 失效
    用于控制电源的装置

    公开(公告)号:US5414862A

    公开(公告)日:1995-05-09

    申请号:US925425

    申请日:1992-08-10

    IPC分类号: G05B19/042 G06F1/26

    CPC分类号: G05B19/0426

    摘要: A controller including an analog circuit for controlling a power source of an apparatus and a digital circuit including a CPU for performing sequence control for the apparatus and for controlling the analog circuit. The analog circuit having a comparator for comparing an output of the power source with a reference signal to output a signal for controlling the power source. Both the analog circuit and the digital circuit are integrally formed on a chip.

    摘要翻译: 一种控制器,包括用于控制装置的电源的模拟电路和包括用于对装置执行顺序控制并用于控制模拟电路的CPU的数字电路。 模拟电路具有用于将电源的输出与参考信号进行比较的比较器,以输出用于控制电源的信号。 模拟电路和数字电路都一体地形成在芯片上。

    Power source apparatus
    2.
    发明授权
    Power source apparatus 失效
    电源设备

    公开(公告)号:US4980811A

    公开(公告)日:1990-12-25

    申请号:US407714

    申请日:1989-09-14

    IPC分类号: H02M3/335

    摘要: A power source apparatus includes a transformer having a plurality of paired winding portions of primary and secondary windings wound around cores divided by a gap, a driver, connected to the primary winding of the paired winding portion, for switching energization of the primary winding of the transformer to generate a secondary winding voltage, and a selector for selectively driving one of the plurality of paired winding portions.

    Power source apparatus of image forming apparatus
    3.
    发明授权
    Power source apparatus of image forming apparatus 失效
    图像形成装置的电源装置

    公开(公告)号:US5621630A

    公开(公告)日:1997-04-15

    申请号:US231488

    申请日:1994-04-22

    IPC分类号: G03G15/16 H02M3/28 H02M7/02

    CPC分类号: G03G15/1675 H02M3/28

    摘要: A power source apparatus suitable for a high voltage power source of an electrophotographic type copying apparatus or a printer comprises: a first DC power source which can vary an output; a second DC power source which can vary an output and whose output terminal of the same polarity as that of one output terminal of the first DC power source is connected to such one output terminal; connecting means for connecting another output terminal of the first DC power source and another output terminal of the second DC power source to a load; control means for making operative and controlling the first and second DC power sources in accordance with an output of the power source apparatus; and detecting means for detecting an output voltage or an output current of the power source apparatus.

    摘要翻译: 适用于电子照相型复印机或打印机的高压电源的电源装置包括:可改变输出的第一直流电源; 第二直流电源,其可以改变输出,并且其与第一直流电源的一个输出端子的输出端子的相同极性的输出端子连接到这样的一个输出端子; 连接装置,用于将第一直流电源的另一输出端和第二直流电源的另一输出端连接到负载; 控制装置,用于根据电源设备的输出来操作和控制第一和第二DC电源; 以及检测装置,用于检测电源设备的输出电压或输出电流。

    Image forming apparatus with image scaling ratio setting feature
    4.
    发明授权
    Image forming apparatus with image scaling ratio setting feature 有权
    具有图像缩放比设定功能的图像形成装置

    公开(公告)号:US08619318B2

    公开(公告)日:2013-12-31

    申请号:US12168386

    申请日:2008-07-07

    申请人: Hajime Motoyama

    发明人: Hajime Motoyama

    IPC分类号: G06K15/02

    摘要: A present invention is provided with a laser light source having a plurality of laser elements capable of scanning a plurality of lines in parallel in a sub-scanning direction at a second resolution, which is higher than a first resolution of an image to be formed in a main scanning direction, a multiplexer and a laser driver that set a scaling ratio of an image in the sub-scanning direction in response to the first and second resolutions and an image size for image forming, and perform control so as to select and drive any of the plurality of laser elements of the laser light source in response to the scaling ratio that has been set, and an image forming unit that forms on a print medium an image of lines scanned using laser elements driven by the laser driver.

    摘要翻译: 本发明提供一种激光光源,该激光光源具有多个能够以副扫描方向并行扫描多条线的激光元件,该第二分辨率高于要形成的图像的第一分辨率 主扫描方向,多路复用器和激光驱动器,其响应于第一和第二分辨率设置副扫描方向上的图像的缩放比率和图像形成的图像尺寸,并且执行控制以选择和驱动 激光光源的多个激光元件中的任何一个响应于已经设置的缩放比率,以及图像形成单元,其在打印介质上形成使用由激光驱动器驱动的激光元件扫描的行的图像。

    DRIVE CIRCUIT AND DRIVE METHOD FOR SEMICONDUCTOR LIGHT SOURCE
    5.
    发明申请
    DRIVE CIRCUIT AND DRIVE METHOD FOR SEMICONDUCTOR LIGHT SOURCE 有权
    用于半导体光源的驱动电路和驱动方法

    公开(公告)号:US20080317079A1

    公开(公告)日:2008-12-25

    申请号:US12192047

    申请日:2008-08-14

    申请人: Hajime Motoyama

    发明人: Hajime Motoyama

    IPC分类号: H01S3/00

    摘要: a circuit for driving a semiconductor laser including a semiconductor integrated circuit, which controls the drive of the semiconductor laser, and is connected to one end of the semiconductor laser. Moreover, the driving circuit incorporates a first power source +Vcc that supplies by way of the semiconductor integrated circuit a drive voltage to one end of the semiconductor laser and a second power source −Vcc, which is connected to the other end of the semiconductor laser and supplies a drive voltage to the other end. Furthermore, the drive circuit incorporates a voltage clamp circuit, connected to a connection terminal connecting the semiconductor laser and the semiconductor integrated circuit, for adjusting the electric potential of the connection terminal.

    摘要翻译: 用于驱动半导体激光器的电路,该半导体激光器包括半导体集成电路,其控制半导体激光器的驱动并连接到半导体激光器的一端。 此外,驱动电路包括通过半导体集成电路向半导体激光器的一端提供驱动电压的第一电源+ Vcc和连接到半导体激光器的另一端的第二电源-Vcc 并向另一端提供驱动电压。 此外,驱动电路包括电压钳位电路,连接到连接半导体激光器和半导体集成电路的连接端子,用于调整连接端子的电位。

    Electrophotographic image forming apparatus and its high voltage power
source device
    7.
    发明授权
    Electrophotographic image forming apparatus and its high voltage power source device 失效
    电子照相成像装置及其高压电源装置

    公开(公告)号:US5365316A

    公开(公告)日:1994-11-15

    申请号:US107593

    申请日:1993-08-18

    摘要: An image forming apparatus includes: a photosensitive drum; a charging unit which is brought into contact with the drum and charges it; a developing unit for obtaining a visible image from an electrostatic latent image formed on the drum; a charge high voltage generation circuit for supplying an output which is obtained by multiplexing a high AC voltage with a high DC voltage with the charging unit; a development high voltage generation circuit for supplying an output which is obtained by multiplexing a high AC voltage with a high DC voltage to the developing unit; and a sync circuit for synchronizing a high voltage alternating current of the charge high voltage generation circuit and a high voltage alternating current of the development high voltage generation circuit. A ratio of the frequencies of the high voltage alternating currents of the development high voltage generation circuit and the charge high voltage generation circuit is set to an integer. The high AC voltages are derived from the signals having an integer frequency dividing ratio which are obtained by frequency dividing the same clock signal.

    摘要翻译: 图像形成装置包括:感光鼓; 充电单元,其与鼓接触并对其进行充电; 显影单元,用于从形成在所述滚筒上的静电潜像获得可视图像; 一个充电高电压产生电路,用于提供通过将高交流电压与高直流电压复用而获得的输出与充电单元; 用于向显影单元提供通过将具有高DC电压的高AC电压复用获得的输出的显影高电压产生电路; 以及同步电路,用于使充电高压发生电路的高电压交流电和显影高压发生电路的高压交流电流同步。 显影高压发生电路和充电高压发生电路的高压交流电流的频率之比设定为整数。 高交流电压由具有通过对相同时钟信号进行分频而获得的整数分频比的信号导出。

    Drive circuit and drive method for semiconductor light source
    8.
    发明授权
    Drive circuit and drive method for semiconductor light source 有权
    半导体光源驱动电路及驱动方式

    公开(公告)号:US07796658B2

    公开(公告)日:2010-09-14

    申请号:US12192047

    申请日:2008-08-14

    申请人: Hajime Motoyama

    发明人: Hajime Motoyama

    IPC分类号: H01S3/00

    摘要: A circuit for driving a semiconductor laser including a semiconductor integrated circuit, which controls the drive of the semiconductor laser, and is connected to one end of the semiconductor laser. Moreover, the driving circuit incorporates a first power source +Vcc that supplies by way of the semiconductor integrated circuit a drive voltage to one end of the semiconductor laser and a second power source −Vcc, which is connected to the other end of the semiconductor laser and supplies a drive voltage to the other end. Furthermore, the drive circuit incorporates a voltage clamp circuit, connected to a connection terminal connecting the semiconductor laser and the semiconductor integrated circuit, for adjusting the electric potential of the connection terminal.

    摘要翻译: 一种用于驱动半导体激光器的电路,包括控制半导体激光器的驱动并连接到半导体激光器的一端的半导体集成电路。 此外,驱动电路包括通过半导体集成电路向半导体激光器的一端提供驱动电压的第一电源+ Vcc和连接到半导体激光器的另一端的第二电源-Vcc 并向另一端提供驱动电压。 此外,驱动电路包括电压钳位电路,连接到连接半导体激光器和半导体集成电路的连接端子,用于调整连接端子的电位。

    Laser exposing apparatus
    9.
    发明授权
    Laser exposing apparatus 失效
    激光曝光装置

    公开(公告)号:US07256812B2

    公开(公告)日:2007-08-14

    申请号:US11391429

    申请日:2006-03-29

    申请人: Hajime Motoyama

    发明人: Hajime Motoyama

    IPC分类号: B41J2/435

    CPC分类号: G02B26/123 B41J2/473

    摘要: A laser exposing apparatus has a first laser source emitting a first laser beam, a second laser source emitting a second laser beam shorter in wavelength than the first laser beam, and an optical device for directing the first laser beam and the second laser beam to a photosensitive member. The second laser beam has a longer optical path length to the photosensitive member than the first laser beam.

    摘要翻译: 激光曝光设备具有发射第一激光束的第一激光源,发射比第一激光束更短波长的第二激光束的第二激光源,以及用于将第一激光束和第二激光束引导到 感光部件。 第二激光束比第一激光束具有比感光部件更长的光程长度。