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    • 3. 发明授权
    • Apparatus for detecting an abnormal circumstance at a connection between the apparatus and an attached detachable unit
    • 一种装置,用于检测设备和附接的可拆卸单元之间的连接处的异常情况
    • US09372470B2
    • 2016-06-21
    • US14573645
    • 2014-12-17
    • KONICA MINOLTA, INC.
    • Yohei YamadaToru KasamatsuMikiyuki AokiKouei Cho
    • G03G21/16G03G15/08G03G15/00
    • G03G21/1652G03G15/0863G03G15/553
    • The apparatus includes first and second terminals, an electrical conductor placed around at least the second terminal, a first current applying unit, an abnormal circumstances determining unit, a second current applying unit, and an informing unit. The first current applying unit applies current between the first terminal and the second terminal. The abnormal circumstances determining unit determines whether there is an abnormal circumstance at the connection between the apparatus and the unit side circuit, under the condition that the current is applied by the first current applying unit. The second current applying unit applies current between the first terminal and the second terminal, in case that the abnormal circumstances determining unit determined that there is not an abnormal circumstance of the connection. The informing unit informs the abnormal circumstance of the connection, in case that the abnormal circumstances determining unit determined that there is the abnormal circumstance of the connection.
    • 该装置包括第一和第二端子,至少设置在第二端子周围的电导体,第一电流施加单元,异常情况判定单元,第二电流施加单元和通知单元。 第一电流施加单元在第一端子和第二端子之间施加电流。 在由第一电流施加单元施加电流的条件下,异常情况确定单元确定设备和单元侧电路之间的连接是否存在异常情况。 第二电流施加单元在异常情况确定单元确定没有连接的异常情况的情况下,在第一端子和第二端子之间施加电流。 如果异常情况确定单元确定存在连接的异常情况,通知单元通知连接的异常情况。
    • 6. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20130294789A1
    • 2013-11-07
    • US13887795
    • 2013-05-06
    • KONICA MINOLTA, INC.
    • Munehiro NATSUMETeruhiko ToyoizumiNobuhiro MatsuoKouei Cho
    • G03G15/02G03G21/20G03G15/00
    • G03G15/0258G03G15/0189G03G15/0266G03G15/0291G03G21/206G03G2215/0132G03G2215/0164
    • An image forming apparatus having; an electrostatic latent image support; a charger for charging the electrostatic latent image support; an exposure unit for exposing the electrostatic latent image support with a light beam to form an electrostatic latent image; a development unit for developing the electrostatic latent image into a toner image; a sheet feeding unit for feeding a recording sheet in an image forming operation; a transfer member for transferring the toner image to the recording sheet; a fuser for fusing the toner image onto the recording sheet; and a high-voltage power supply circuit for, in an image forming operation, applying a plurality of bias voltages at least to the charger and to the development unit, wherein the high-voltage power supply circuit supplies a high voltage only to the charger in an operation in an ion generation mode so as to cause the charger to generate ions.
    • 一种图像形成装置,具有: 静电潜像载体; 用于对静电潜像载体进行充电的充电器; 曝光单元,用于用光束曝光所述静电潜像载体以形成静电潜像; 用于将静电潜像显影成调色剂图像的显影单元; 用于在成像操作中馈送记录纸的供纸单元; 用于将调色剂图像转印到记录片材的转印部件; 定影器,用于将调色剂图像定影到记录纸上; 以及用于在图像形成操作中至少向充电器和显影单元施加多个偏置电压的高压电源电路,其中高压电源电路仅向充电器提供高电压 离子发生模式的操作,以使充电器产生离子。
    • 10. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US09256188B2
    • 2016-02-09
    • US14662865
    • 2015-03-19
    • Konica Minolta, Inc.
    • Toru KasamatsuMikiyuki AokiYohei YamadaKouei Cho
    • G03G15/00G03G15/06
    • G03G15/80G03G15/065
    • An image forming apparatus having image supporting members and developing devices provided for a plurality of colors respectively, and a developing bias source. The developing bias source includes DC power circuits provided for the colors respectively, an AC power circuit provided for use in common for all of the colors, and an element provided for at least one of the colors other than black. The developing bias source generates developing biases by superimposing an AC voltage output from the AC power circuit on DC voltages output from the DC power circuits and applies the developing biases to the respectively corresponding developing devices. The element maintains a constant voltage having a potential of an opposite polarity to a potential of charged toner used for the development. The developing bias source further superimposes the constant voltage on the developing bias for the at least one of the colors other than black.
    • 具有分别设置有多种颜色的图像支持部件和显影装置的图像形成装置和显影偏压源。 显影偏压源包括分别为颜色提供的DC电源电路,为所有颜色共同使用而设置的AC电源电路,以及为黑色以外的至少一种颜色提供的元件。 显影偏压源通过将从AC电源电路输出的AC电压叠加在从DC电源电路输出的直流电压上产生显影偏压,并将显影偏压施加到相应的显影装置。 该元件保持具有与用于显影的带电调色剂的电位相反极性的电位的恒定电压。 显影偏压源进一步将恒定电压叠加在黑色以外的至少一种颜色的显影偏压上。