POWER SUPPLY SYSTEM AND IMAGE FORMING APPARATUS HAVING POWER SUPPLY SYSTEM
    21.
    发明申请
    POWER SUPPLY SYSTEM AND IMAGE FORMING APPARATUS HAVING POWER SUPPLY SYSTEM 有权
    具有电源系统的电源系统和图像形成装置

    公开(公告)号:US20140293358A1

    公开(公告)日:2014-10-02

    申请号:US14225907

    申请日:2014-03-26

    申请人: Katsumi INUKAI

    发明人: Katsumi INUKAI

    IPC分类号: H04N1/00

    摘要: A power supply system includes: a switching power supply generating a voltage from an alternating current power supply; capacitors connected to the alternating current power supply; a rectification circuit configured to rectify an alternating current voltage applied to the capacitors; a backflow regulation regulating backflow of current from the switching power supply; a signal generation circuit generating a detection signal corresponding to a zero cross point of the alternating current power supply; a power supply line connected to the switching power supply and the rectification circuit; an electricity storage unit connected to the power supply line; a voltage limit element configured to limit a voltage of the output line of the rectification circuit, and a control unit, power being fed to the control unit through the power supply line. The control unit is configured to detect a zero cross point based on the detection signal.

    摘要翻译: 电源系统包括:从交流电源产生电压的开关电源; 电容器连接到交流电源; 整流电路,被配置为对施加到电容器的交流电压进行整流; 调节来自开关电源的电流回流的回流调节; 产生对应于交流电源的零交叉点的检测信号的信号产生电路; 连接到开关电源和整流电路的电源线; 连接到电源线的蓄电单元; 配置为限制整流电路的输出线的电压的电压限制元件,以及通过电源线馈送到控制单元的控制单元。 控制单元被配置为基于检测信号检测零交叉点。

    POWER SUPPLY SYSTEM
    22.
    发明申请
    POWER SUPPLY SYSTEM 有权
    电源系统

    公开(公告)号:US20140218827A1

    公开(公告)日:2014-08-07

    申请号:US14169933

    申请日:2014-01-31

    申请人: Katsumi INUKAI

    发明人: Katsumi INUKAI

    IPC分类号: H02H11/00

    摘要: A power supply system includes: a switching power supply; a switching unit for switching a connection state between an AC power supply and the switching power supply; an electricity storage unit; an auxiliary power supply circuit for feeding charging current to the electricity storage unit; a driving circuit for driving the switching unit; a voltage detection circuit for detecting a voltage of the AC power supply; and a control device configured to perform: an overvoltage detection process of determining whether the AC power supply is an overvoltage based on a detection value of the voltage detection circuit; and a process of, in a case where an overvoltage is detected, keeping the switching unit at a cutoff state where the alternating current power supply and the switching power supply are disconnected.

    摘要翻译: 电源系统包括:开关电源; 开关单元,用于切换AC电源和开关电源之间的连接状态; 蓄电单元; 用于向蓄电单元供给充电电流的辅助电源电路; 用于驱动所述切换单元的驱动电路; 电压检测电路,用于检测交流电源的电压; 以及控制装置,被配置为执行:基于所述电压检测电路的检测值来确定所述AC电源是否为过电压的过电压检测处理; 以及在检测到过电压的情况下,将开关单元保持在交流电源和开关电源断开的截止状态的处理。

    Heating Device and Image Forming Apparatus
    23.
    发明申请
    Heating Device and Image Forming Apparatus 有权
    加热装置和成像装置

    公开(公告)号:US20110123208A1

    公开(公告)日:2011-05-26

    申请号:US12892266

    申请日:2010-09-28

    申请人: Katsumi INUKAI

    发明人: Katsumi INUKAI

    IPC分类号: G03G15/00 G03G15/20

    CPC分类号: G03G15/80 G03G15/2039

    摘要: A heating device includes: a heat generating unit generating heat in response to energization of an alternating-current power supply; a zero-crossing signal generating circuit generating a zero-crossing signal in synchronization with a zero-crossing time of the alternating-current power supply; an energization regulating unit regulating an energization period of the heat generating unit by the alternating-current power supply; a voltage change rate detecting unit detecting whether a rate of voltage change of the alternating-current power supply at the zero-crossing time is equal to or larger than an predetermined value; a switching unit switching on and off a connection between the alternating-current power supply and the heat generating unit; and an energization disabling unit disabling energization of the heat generating unit by controlling the switching unit when the rate of voltage change is equal to or larger than the predetermined value.

    摘要翻译: 一种加热装置,包括:发热单元,响应于交流电源的通电而发热; 过零信号发生电路与交流电源的过零时间同步地产生过零信号; 通电调节单元,其通过所述交流电源调节所述发热体的通电期间; 电压变化率检测单元,检测所述交流电时的交流电力的电压变化率是否为规定值以上; 开关单元,其接通和断开所述交流电源和所述发热单元之间的连接; 以及通电禁止单元,当电压变化率等于或大于预定值时,通过控制开关单元来禁止发热单元的通电。

    LIGHT OUTPUT DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE LIGHT OUTPUT DEVICE
    24.
    发明申请
    LIGHT OUTPUT DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE LIGHT OUTPUT DEVICE 有权
    光输出装置和图像形成装置,包括光输出装置

    公开(公告)号:US20090296763A1

    公开(公告)日:2009-12-03

    申请号:US12412440

    申请日:2009-03-27

    申请人: Katsumi INUKAI

    发明人: Katsumi INUKAI

    IPC分类号: H01S3/00 B41J2/435

    摘要: A light output device includes: an output unit including a light source; a control voltage generation unit that detects output power of the light source, and generates a control voltage for controlling a drive current of the light source; a control unit that sets a target value of the output power; a voltage-current conversion unit that converts the control voltage into the drive current; a setting unit that sets an inclination of a characteristic line of control voltage-drive current conversion in the voltage-current conversion unit; and an adjustment unit that adjusts the voltage-current conversion unit such that the drive current becomes a target current value for setting the output power to the target value in a predetermined control voltage value on the characteristic line, wherein the setting unit sets the inclination of the characteristic line to a first inclination where the drive current does not reach a maximum current value.

    摘要翻译: 光输出装置包括:包括光源的输出单元; 控制电压产生单元,其检测所述光源的输出功率,并产生用于控制所述光源的驱动电流的控制电压; 控制单元,其设定所述输出功率的目标值; 电压电流转换单元,其将所述控制电压转换为所述驱动电流; 设定单元,其设定所述电压电流转换单元中的控制电压驱动电流转换的特性线的倾斜度; 以及调整单元,其调整所述电压电流转换单元,使得所述驱动电流成为用于将所述输出功率设定为所述特征线上的预定控制电压值中的所述目标值的目标电流值,其中,所述设定单元将所述电流 - 特征线到驱动电流未达到最大电流值的第一倾斜度。

    Image Forming Apparatus
    25.
    发明申请
    Image Forming Apparatus 有权
    图像形成装置

    公开(公告)号:US20090035008A1

    公开(公告)日:2009-02-05

    申请号:US12181670

    申请日:2008-07-29

    IPC分类号: G03G15/00

    CPC分类号: G03G15/80

    摘要: An image forming apparatus capable of shortening a time needed for the assembly work is provided. The image forming apparatus of the invention comprises a low-voltage power supply and a housing, wherein the low-voltage power supply includes a substrate provided with a low-voltage power supply circuit, a pair of connection cords each connected to the substrate and an external power supply, a casing made of metal and provided with an accommodation portion inside which the substrate is fixed and a notch located on an opening edge of the accommodation portion, a lid body made of metal and configured to cover the accommodation portion and to define a cord insertion port by closing the notch, and a ring body made of resin and inserted into the notch in a state where both the connection cords are inserted in the ring body and to be attached to the cord insertion port.

    摘要翻译: 提供能够缩短组装工作所需时间的图像形成装置。 本发明的图像形成装置包括低压电源和壳体,其中低压电源包括设置有低压电源电路的基板,各自连接到基板的一对连接线,以及 外部电源,由金属制成的壳体,并且设置有固定基板的容纳部和位于所述容纳部的开口边缘的凹口;金属制的盖体,其被构造成覆盖所述容纳部并且限定 通过闭合切口的绳索插入口和由树脂制成的环形体,并且在两个连接帘线被插入环形体中并附接到绳索插入口的状态下插入到切口中。

    POWER SUPPLY SYSTEM AND IMAGE FORMING APPARATUS HAVING THE POWER SUPPLY SYSTEM
    26.
    发明申请
    POWER SUPPLY SYSTEM AND IMAGE FORMING APPARATUS HAVING THE POWER SUPPLY SYSTEM 有权
    具有电源系统的电源系统和图像形成装置

    公开(公告)号:US20140293360A1

    公开(公告)日:2014-10-02

    申请号:US14224519

    申请日:2014-03-25

    申请人: Katsumi INUKAI

    发明人: Katsumi INUKAI

    IPC分类号: H02M3/335 H04N1/00 G03G15/00

    摘要: A power supply system includes: capacitors connected to an alternating current power supply; a rectification circuit connected to the capacitors and rectifying an alternating current voltage applied to the capacitors; a signal generation circuit connected to an output line of the rectification circuit and configured to generate a detection signal corresponding to a zero cross point of an alternating current output; an electricity storage unit connected to the output line of the rectification circuit; a backflow regulation element provided on the output line of the rectification circuit and configured to regulate backflow of current; a current limit element configured to limit current flowing from the output line of the rectification circuit towards the electricity storage unit, and a control unit that is connected to the output line of the rectification circuit, and is configured to detect a zero cross point of the alternating current output.

    摘要翻译: 电源系统包括:连接到交流电源的电容器; 与电容器连接的整流电路,对施加到电容器的交流电压进行整流; 信号发生电路,连接到整流电路的输出线,并且被配置为产生对应于交流输出的零交叉点的检测信号; 连接到整流电路的输出线的蓄电单元; 一个回流调节元件,设置在整流电路的输出线上并被配置为调节电流回流; 电流限制元件,被配置为限制从整流电路的输出线流向蓄电单元的电流;以及控制单元,其连接到整流电路的输出线,并且被配置为检测所述整流电路的零交叉点 交流输出。

    HIGH-VOLTAGE POWER SUPPLY
    27.
    发明申请
    HIGH-VOLTAGE POWER SUPPLY 有权
    高压电源

    公开(公告)号:US20100239291A1

    公开(公告)日:2010-09-23

    申请号:US12726622

    申请日:2010-03-18

    IPC分类号: G03G15/06

    CPC分类号: G03G15/065 G03G15/55

    摘要: A high-voltage power supply for applying a developing bias to a developing roller of an image forming apparatus is provided. The high-voltage power supply includes: a developing bias application unit that applies a developing bias to the developing roller in accordance with a control voltage that is input therein; a developing bias detection unit that detects the developing bias applied to the developing roller; a control voltage adjustment unit that adjusts the control voltage input to the developing bias application unit such that the developing bias detected by the developing bias detection unit approaches a predetermined target value; and a condensation determination unit that determines condensation of the developing bias application unit based on the control voltage.

    摘要翻译: 提供了用于将显影偏压施加到图像形成装置的显影辊的高压电源。 高压电源包括:显影偏压施加单元,其根据输入的控制电压对显影辊施加显影偏压; 显影偏压检测单元,其检测施加到显影辊的显影偏压; 控制电压调整单元,其调节输入到显影偏压施加单元的控制电压,使得由显影偏压检测单元检测到的显影偏压接近预定的目标值; 以及冷凝判定单元,其基于所述控制电压来确定所述显影偏压施加单元的冷凝。

    Image Forming Apparatus
    28.
    发明申请
    Image Forming Apparatus 有权
    图像形成装置

    公开(公告)号:US20100195150A1

    公开(公告)日:2010-08-05

    申请号:US12695531

    申请日:2010-01-28

    IPC分类号: G06F15/00

    CPC分类号: G03G15/5004 G03G15/1675

    摘要: An image forming apparatus includes: an applying device configured to generate an output signal and apply the output signal to an image forming device; and a controller configured to generate a control signal to supply to the applying device so as to control a value of the output signal so that the value of the output signal is within a predetermined target range and control the applying device using the control signal in a start-up mode and in a normal mode, the normal mode being subsequent to the start-up mode. In the start-up mode, the controller sets a start control signal value larger than a value of the control signal immediately after a first predetermined time, the start control signal value being the value of the control signal during the first predetermined time, the first predetermined time being from a start timing of the start-up mode.

    摘要翻译: 图像形成装置包括:施加装置,被配置为产生输出信号并将输出信号施加到图像形成装置; 以及控制器,被配置为产生控制信号以提供给所述施加装置,以便控制所述输出信号的值,使得所述输出信号的值在预定目标范围内,并且使用所述控制信号来控制所述施加装置 启动模式,在正常模式下,正常模式在启动模式之后。 在启动模式下,控制器在第一预定时间之后立即设定大于控制信号的值的起始控制信号值,起始控制信号值是第一预定时间期间控制信号的值,第一 预定时间是从启动模式的开始定时。

    IMAGE FORMING APPARATUS
    29.
    发明申请
    IMAGE FORMING APPARATUS 有权
    图像形成装置

    公开(公告)号:US20100189457A1

    公开(公告)日:2010-07-29

    申请号:US12692474

    申请日:2010-01-22

    申请人: Katsumi INUKAI

    发明人: Katsumi INUKAI

    IPC分类号: G03G15/16

    CPC分类号: G03G15/1675 G03G2215/1614

    摘要: An image forming apparatus includes: an image carrying unit; a charging unit; a transfer unit transferring an developed image to a recording medium in accordance with application of a transfer voltage; an application unit generating the transfer voltage and applying the transfer voltage to the transfer unit; a voltage detection unit detecting the transfer voltage; an inflow current detection unit detecting an inflow current flowing from the image carrying unit charged by the charging unit into the application unit; a transfer current detection unit detecting a transfer current flowing when the transfer voltage is applied to the transfer unit; a determination unit determining an initiating voltage which induces the inflow current; a calculation unit calculating load resistance of the application unit based on the transfer voltage, the transfer current, and the initiating voltage; and an adjustment unit that adjusts the transfer current in accordance with the load resistance.

    摘要翻译: 图像形成装置包括:图像承载单元; 充电单元; 转印单元,根据转印电压的应用将显影图像转印到记录介质; 生成转印电压并将转印电压施加到转印单元的应用单元; 检测转印电压的电压检测单元; 流入电流检测单元,检测从充电单元充电的图像承载单元流入应用单元的流入电流; 转印电流检测单元,检测当所述转印电压施加到所述转印单元时流动的转印电流; 确定单元,确定引起所述流入电流的起始电压; 计算单元,基于所述转印电压,所述转印电流和所述起始电压来计算所述应用单元的负载电阻; 以及调整单元,其根据负载电阻来调整转印电流。

    Image Forming Apparatus
    30.
    发明申请
    Image Forming Apparatus 有权
    图像形成装置

    公开(公告)号:US20080298091A1

    公开(公告)日:2008-12-04

    申请号:US12125722

    申请日:2008-05-22

    申请人: Katsumi INUKAI

    发明人: Katsumi INUKAI

    IPC分类号: H02M3/335

    CPC分类号: H02M3/335

    摘要: The present invention can include an image forming apparatus having an electrical load, a supplying circuit configured to supply an electrical power to the electrical load, and an output circuit configured to output a voltage according to a current value of the electrical power being supplied to the electrical load. The present invention may also provide for a controller configured to control an electrical current flowing in the electrical load based on an output voltage value of the output circuit as a feedback value, and an inhibiting circuit configured to inhibit a reverse current to flow in the output circuit when the supplying circuit is turned off.

    摘要翻译: 本发明可以包括具有电负载的图像形成装置,被配置为向电负载提供电力的供给电路,以及输出电路,被配置为根据供给到电力负载的电力的当前值来输出电压 电气负载。 本发明还可以提供一种控制器,其被配置为基于作为反馈值的输出电路的输出电压值来控制在电负载中流动的电流;以及禁止电路,其被配置为禁止在输出中流动的反向电流 供电电路断开时的电路。