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    • 4. 发明授权
    • Lighting power supply device
    • 照明电源装置
    • US09271346B2
    • 2016-02-23
    • US13435779
    • 2012-03-30
    • Takashi OkuboYuji Yamanaka
    • Takashi OkuboYuji Yamanaka
    • H05B39/04H05B33/08
    • H05B33/0815H05B33/0851Y02B20/346
    • A lighting power supply device includes a control circuit controlling a transistor that controls a drive current flown through a lamp, receiving a pulsating flow converted from an alternating current by a rectifying circuit rectifying the alternating current subjected to phase control by a phase-controlled dimmer, and generating/outputting direct current voltage/current supplied to the lamp. The control circuit includes a time-voltage conversion circuit converting a time decided according to a phase of a voltage corresponding to the pulsating flow into a voltage; and a terminal to which a capacitor with an arbitrary capacitance value is connectable. The time-voltage conversion circuit allows the capacitor to generate a charging voltage corresponding to the phase of the pulsating flow. A sample-and-hold circuit takes in the charging voltage of the capacitor at predetermined timing corresponding to a change of an output of a voltage comparison circuit, and holds/outputs the taken-in voltage until next timing.
    • 照明电源装置包括:控制电路,控制用于控制通过灯的驱动电流的晶体管,通过整流电路接收由交流电流转换的脉动流,所述整流电路通过相位控制的调光器对进行相位控制的交流电进行整流; 并产生/输出提供给灯的直流电压/电流。 该控制电路包括时间电压转换电路,将根据与脉动流相对应的电压的相位确定的时间转换成电压; 以及可以连接具有任意电容值的电容器的端子。 时间 - 电压转换电路允许电容器产生对应于脉动流的相位的充电电压。 采样保持电路在对应于电压比较电路的输出的变化的预定定时处理电容器的充电电压,并且保持/输出所接收的电压直到下一个定时。
    • 6. 发明申请
    • SWITCHED-MODE POWER SUPPLY
    • 开关电源
    • US20120274296A1
    • 2012-11-01
    • US13458107
    • 2012-04-27
    • Yoshitaka HIGUCHIHeisuke NakashimaYuji Yamanaka
    • Yoshitaka HIGUCHIHeisuke NakashimaYuji Yamanaka
    • G05F1/46
    • H02M3/156H02M2001/0025
    • Provided is a switched-mode power supply. The power supply includes: a DC voltage input terminal; a driver switching element connected to the input terminal; an inductor connected to the driver switching element; an output terminal connected to the inductor and outputting output voltage different from the input voltage; and an integrated circuit outputting control pulses used for on-off control of the driver switching element. The integrated circuit has: a ripple injection circuit adding a ripple component to a feedback voltage of the output voltage; a voltage comparator comparing the summed voltage with a predetermined voltage; and a control pulse generator generating the control pulse based on an output of the voltage comparator. The ripple injection circuit has an integrator outputting an integral of the voltage at the node between the driver switching element and the inductor, and a series RC circuit connected to the output end of the integrator.
    • 提供了一种开关电源。 电源包括:直流电压输入端子; 连接到输入端的驱动器开关元件; 连接到所述驱动器开关元件的电感器; 连接到电感器并输出与输入电压不同的输出电压的输出端子; 以及输出用于驱动器开关元件的开关控制的控制脉冲的集成电路。 集成电路具有:纹波注入电路,其将纹波分量与输出电压的反馈电压相加; 将所述总和电压与预定电压进行比较的电压比较器; 以及控制脉冲发生器,其基于所述电压比较器的输出产生所述控制脉冲。 纹波注入电路具有输出驱动器开关元件和电感器之间的节点处的电压的积分的积分器,以及连接到积分器的输出端的串联RC电路。
    • 8. 发明授权
    • Sheet conveying apparatus and image forming apparatus with opening conveying path
    • 纸张输送装置和具有打开输送路径的图像形成装置
    • US08083231B2
    • 2011-12-27
    • US12469990
    • 2009-05-21
    • Fumihiko HirataYuji YamanakaKazuhiro Kosuga
    • Fumihiko HirataYuji YamanakaKazuhiro Kosuga
    • B65H5/02
    • B65H5/38B65H2404/144B65H2404/611B65H2601/11B65H2601/321B65H2601/325
    • The present invention provides a sheet conveying apparatus and an image forming apparatus having the same, in which a jammed sheet can be easily viewed and easily removed.A sheet conveying apparatus of the present invention comprises a fixation guide portion fixed on an apparatus body; a first guide portion disposed to face the fixation guide portion; a second guide portion disposed to face the fixation guide portion, wherein the first guide portion and the second guide portion are arranged in a line along a sheet conveying direction and each of the first guide portion and the second guide portion is independently movable; a sheet conveying path formed by the fixation guide, the first guide portion and the second guide portion, and a movement mechanism that moves the second guide portion away from the fixation guide portion, when the first guide portion is moved to open the sheet conveying path.
    • 本发明提供了一种纸张输送装置和具有该纸张输送装置的图像形成装置,其中可以容易地观看并容易地去除卡住的纸张。 本发明的片材输送装置包括固定在装置本体上的固定引导部分; 设置成面向所述固定引导部的第一引导部; 第二引导部,其设置成面向所述固定引导部,其中,所述第一引导部和所述第二引导部沿着片材传送方向成一条线,并且所述第一引导部和所述第二引导部中的每一个可独立地移动; 由所述固定引导件,所述第一引导部分和所述第二引导部分形成的片材传送路径,以及当所述第一引导部分移动以打开所述片材传送路径时移动所述第二引导部分而远离所述固定引导部分的移动机构 。
    • 9. 发明申请
    • SHEET FEEDING APPARATUS AND IMAGE FORMING SYSTEM
    • 纸张进给装置和图像形成系统
    • US20100187747A1
    • 2010-07-29
    • US12695955
    • 2010-01-28
    • Isao KannariTaro IkedaTakashi UnoYuji YamanakaYuuya Yokobori
    • Isao KannariTaro IkedaTakashi UnoYuji YamanakaYuuya Yokobori
    • B65H5/22B65H5/08B65H3/08B65H7/02B65H5/00B65H1/00
    • B65H7/02B65H1/14B65H3/08B65H3/128B65H3/48B65H7/20B65H2701/111
    • A sheet feeding apparatus includes a sheet stacking unit, a suction conveyance unit configured to convey an uppermost sheet stacked on the sheet stacking unit, a suction unit configured to adsorb the sheets onto the suction conveyance unit, and an adsorption completion detection unit. In the sheet feeding apparatus, when the tab-attached sheets are stacked on the sheet stacking unit and fed such that their tab portions are on the downstream side in a sheet feeding direction, the suction unit starts to adsorb the sheet in response to a sheet feeding signal, and the suction conveyance unit starts to convey the sheet immediately after the adsorption completion detection unit detects the completion of the adsorption. When the sheets other than the tab-attached sheets are fed, the suction unit previously adsorbs the sheet onto the suction conveyance unit, and the suction conveyance unit starts to convey the sheet in response to the sheet feeding signal.
    • 片材进给装置包括片材堆积单元,用于输送堆叠在片材堆积单元上的最上面的片材的抽吸输送单元,被配置为将片材吸附到吸入输送单元上的吸引单元和吸附完成检测单元。 在片材供给装置中,当片状片材堆叠在片材堆积单元上并进给使得其片状部分在片材进给方向的下游侧时,吸引单元响应于片材开始吸附片材 在吸附完成检测单元检测到吸附完成之后立即开始输送片材。 当进给了片状片材以外的片材时,吸引单元预先将片材吸附到吸引传送单元上,并且吸引传送单元响应于片材进给信号开始传送片材。