公开(公告)号：US20180059584A1

公开(公告)日：2018-03-01

申请号：US15677715

申请日：2017-08-15

Applicant: Konica Minolta, Inc.

Inventor： Kenji TAMAKI ,  Kenji IZUMIYA ,  Satoshi OGATA ,  Hidenori MINE ,  Hirokatsu KODAMA

IPC: G03G15/16

CPC classification number: G03G15/1675

Abstract: An image forming apparatus includes: an image holder that holds a toner image; a transferer that is disposed opposite to the image holder so as to be in contact with the image holder and transfers the toner image from the image holder onto a recording sheet that is going through a contact part where the transferer contacts the image holder, by applying a transfer voltage between the transferer and the image holder; a first power source that applies a voltage of a first polarity to the image holder; and a second power source that applies a voltage of a second polarity, which is reverse to the first polarity, to the transferer.

公开(公告)号：US20200370883A1

公开(公告)日：2020-11-26

申请号：US16878986

申请日：2020-05-20

Applicant: Konica Minolta, Inc.

Inventor： Satoshi OGATA ,  Kazutoshi YOSHIMURA ,  Yumiko IZUMIYA

IPC: G01B11/30 ,  G03G15/00

Abstract: A sheet distinction device includes a measurer, a housing, a shutter, a calibration plate, and a controller. The measurer emits light to a sheet, receives light reflected from the sheet, and acquires detection information for determining physical properties of the sheet. The housing houses the measurer and is provided with an opening through which the emitted light and the reflected light pass. The shutter switches between a closed state in which the opening is closed and an open state in which the opening is open. The calibration plate is provided on a surface of the shutter which is on an inner side in the closed state. In the closed state, the measurer emits light to a calibration plate and receives reflected light to acquire acquisition information. The controller calibrates the measurer based on the acquisition information.

公开(公告)号：US20160070221A1

公开(公告)日：2016-03-10

申请号：US14845732

申请日：2015-09-04

Applicant: Konica Minolta, Inc.

Inventor： Yumiko IZUMIYA ,  Satoshi OGATA

IPC: G03G15/01

CPC classification number: G03G15/1615 ,  G03G2215/00156

Abstract: An image forming apparatus includes: a belt member configured to be rotationally operated at least during performance of a job; an adjustment mechanism configured to adjust the position of the belt member; a detection unit configured to detect the position of the belt member; and a control unit configured to control the adjustment mechanism during performance of a job, and perform steering control for correcting deviation of the belt member, the control unit comparing the position of the belt member at the end of a job, and a determination threshold for determining deviation of the belt member from a belt reference position, and selecting a control mode relating to the steering control, according to a result of the comparison.

Abstract translation: 图像形成装置包括：带部件，其被配置为至少在执行作业期间旋转操作; 调整机构，其构造成调整所述带构件的位置; 检测单元，被配置为检测所述带构件的位置; 以及控制单元，被配置为在作业执行期间控制调节机构，并且执行用于校正所述带构件的偏差的转向控制，所述控制单元将作业结束时的所述带构件的位置与所述带构件的位置进行比较， 根据比较结果确定皮带部件与皮带参考位置的偏差，以及选择与转向控制相关的控制模式。