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    Image forming apparatus
    1.
    再颁专利
    Image forming apparatus 有权

    公开(公告)号：USRE47726E1

    公开(公告)日：2019-11-12

    申请号：US15081509

    申请日：2016-03-25

    Applicant: Ricoh Company, Ltd.

    Inventor： Shinji Aoki ,  Haruo Iimura ,  Yasuhiko Ogino ,  Tadashi Kasai ,  Naomi Sugimoto ,  Shinya Tanaka ,  Keigo Nakamura

    IPC: G03G15/16 ,  G03G15/01

    Abstract: An image forming apparatus includes a nip forming member and a transfer bias output device that outputs a transfer bias to form a transfer electric field in a transfer nip between the nip forming member and an intermediate transfer member. Upon transfer of a composite toner image including a particular toner image onto a recording medium in the transfer nip, the transfer bias output device outputs the transfer bias including a first superimposed bias in which a direct current (DC) component is superimposed on an alternating current (AC) component. Upon transfer of the composite toner image without the particular toner image onto the recording medium in the transfer nip, the transfer bias output device outputs one of the transfer bias including a second superimposed bias having a peak-to-peak value of the AC component smaller than that of the first superimposed bias and the transfer bias including only the DC component.

    Image forming apparatus and image forming method
    4.
    发明授权
    Image forming apparatus and image forming method 有权

    公开(公告)号：US10088781B2

    公开(公告)日：2018-10-02

    申请号：US15389810

    申请日：2016-12-23

    Applicant: RICOH COMPANY, LTD.

    Inventor： Shinya Tanaka ,  Naomi Sugimoto ,  Haruo Iimura ,  Shinji Aoki ,  Yasuhiko Ogino ,  Kazuchika Saeki ,  Keigo Nakamura

    IPC: G03G15/16 ,  G03G15/01 ,  G03G15/00

    Abstract: An image forming apparatus includes a transfer member configured to abut against an image carrier for carrying a toner image to form a transfer nip; and a power supply configured to output a bias voltage for transferring the toner image on the image carrier onto a recording medium nipped in the transfer nip. The bias voltage includes a first voltage for transferring the toner image from the image carrier onto the recording medium in a transfer direction and a second voltage having an opposite polarity of the first voltage, the first and the second voltages being alternately output. A time-averaged value of the bias voltage is set to a polarity in the transfer direction and is set in the transfer direction side with respect to a median between a maximum and a minimum of the bias voltage.

    Image forming apparatus and image forming method
    5.
    发明授权
    Image forming apparatus and image forming method 有权
    图像形成装置及图像形成方法

    公开(公告)号：US09563153B2

    公开(公告)日：2017-02-07

    申请号：US15046185

    申请日：2016-02-17

    Applicant: RICOH COMPANY, LTD.

    Inventor： Shinya Tanaka ,  Naomi Sugimoto ,  Haruo Iimura ,  Shinji Aoki ,  Yasuhiko Ogino ,  Kazuchika Saeki ,  Keigo Nakamura

    IPC: G03G15/16 ,  G03G15/01

    CPC classification number: G03G15/1675 ,  G03G15/0131 ,  G03G15/0189 ,  G03G15/1665 ,  G03G15/80

    Abstract: An image forming apparatus includes a transfer member configured to abut against an image carrier for carrying a toner image to form a transfer nip; and a power supply configured to output a bias voltage for transferring the toner image on the image carrier onto a recording medium nipped in the transfer nip. The bias voltage includes a first voltage for transferring the toner image from the image carrier onto the recording medium in a transfer direction and a second voltage having an opposite polarity of the first voltage, the first and the second voltages being alternately output. A time-averaged value of the bias voltage is set to a polarity in the transfer direction and is set in the transfer direction side with respect to a median between a maximum and a minimum of the bias voltage.

    Abstract translation: 图像形成装置包括：传送构件，被配置为抵靠用于承载调色剂图像的图像载体以形成转印夹持部; 以及电源，被配置为输出用于将图像载体上的调色剂图像转印到夹在转印夹持部中的记录介质上的偏置电压。 偏置电压包括用于将调色剂图像从传送方向从图像载体转印到记录介质上的第一电压和具有与第一电压相反极性的第二电压，第一和第二电压被交替地输出。 将偏置电压的时间平均值设定为传送方向上的极性，并相对于偏置电压的最大值和最小值之间的中值设定在传送方向侧。

    Information processing device, information processing method and non-transitory computer-readable medium storing program
    8.
    发明授权
    Information processing device, information processing method and non-transitory computer-readable medium storing program 有权

    公开(公告)号：US10066945B2

    公开(公告)日：2018-09-04

    申请号：US15299140

    申请日：2016-10-20

    Applicant: RICOH COMPANY, LTD.

    Inventor： Shinji Aoki

    IPC: G01C21/20

    CPC classification number: G01C21/206

    Abstract: An information processing device can receive a positioning signal that is transmitted from a transmitting device. The information processing device includes an input reception unit for receiving an input of a destination and for identifying first location information including fir floor number information, the first floor number information indicating a floor number of the destination in a structure including the destination, a retrieval unit for retrieving second location information including second floor number information from the positioning signal, the second floor number information indicating a floor number on which the transmitting device is provided in a structure in which the transmitting device is provided, and a calculation unit for calculating a route from a current location of the information processing device to the destination by using the first location information and the second location information.

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