公开(公告)号：US20230408960A1

公开(公告)日：2023-12-21

申请号：US18200160

申请日：2023-05-22

Applicant: KONICA MINOLTA, INC.

Inventor： Satoshi OGATA ,  Masashi SUGANO

IPC: G03G15/00

CPC classification number: G03G15/5029

Abstract: A recording material conveyance device that can suppress a decrease in productivity when detecting characteristics of the recording material is provided. A recording material conveyance device includes: a first conveyor that constitutes a conveyance route for a recording material; a second conveyor and a third conveyor that branch off from the first conveyor and constitute the conveyance route for the recording material on a downstream side of a recording material conveyance direction of the first conveyor; a first detector that detects recording material characteristics of the recording material disposed in the first conveyor; a second detector that detects the recording material characteristics disposed in the second conveyor; and a controller that stops detection by the second detector and discharges the recording material that is being detected by the second detector when the first detector detects an abnormality in a detection result of the recording material characteristics.

公开(公告)号：US20180364631A1

公开(公告)日：2018-12-20

申请号：US16007625

申请日：2018-06-13

Applicant: KONICA MINOLTA, INC.

Inventor： Satoshi OGATA

IPC: G03G15/00 ,  G03G15/20

Abstract: Disclosed is image forming apparatus, including a first roller and a second roller that conveys the recording sheet by sandwiching the recording sheet in a fixing process of an image forming; a pressing actuator that presses the first roller and the second roller against each other; an actuating motor that actuates the first roller; a brake that applies a brake force to the second roller; a rotation speed detector that detects a rotation speed of the second roller; and a hardware processor that judges a degradation of each surface roughness of the first roller and the second roller in accordance with the rotation speed of the second roller, which is detected when the first roller is actuated in a situation in which the first roller and the second roller are pressed against each other and when the brake applies a predetermined brake force to the second roller.

公开(公告)号：US20160259278A1

公开(公告)日：2016-09-08

申请号：US15016849

申请日：2016-02-05

Applicant: Konica Minolta, Inc.

Inventor： Kenji IZUMIYA ,  Kiyoto KOJIMA ,  Satoshi OGATA ,  Hirokatsu KODAMA

IPC: G03G15/00

CPC classification number: G03G15/2028 ,  G03G15/2039 ,  G03G15/6538 ,  G03G15/6588 ,  G03G15/6591

Abstract: An image forming system includes: an image forming apparatus that forms an image on a sheet; one or more sheet carrying devices successively disposed on the downstream side of the image forming apparatus; and a control device that controls the image forming apparatus and the one or more sheet carrying devices based on a job that designates a page configuration containing a page order and sheet types, wherein the sheet carrying device includes a bypass conveyance path along which the sheet output from an upstream device is conveyed toward a downstream device, and a sheet tray unit that temporarily stores the sheet output from the upstream device and discharges the sheet toward the bypass conveyance path, and the control device divides the job into sheet types and determines a printing order of the divided sheet types and sheet types to be stored in the sheet carrying device.

Abstract translation: 图像形成系统包括：图像形成装置，其在片材上形成图像; 连续地设置在图像形成装置的下游侧的一个或多个片材承载装置; 以及控制装置，其基于指定包含页面顺序和纸张类型的页面配置的作业来控制图像形成装置和所述一个或多个纸张承载装置，其中，所述纸张承载装置包括旁边输送路径，所述纸张输出 从上游装置向下游装置输送的纸张单元和临时存储从上游装置输出的纸张并将纸张朝向旁路输送路径排出的纸张托盘单元，并且控制装置将作业分割为纸张类型并确定打印 分割的纸张类型和纸张类型的顺序存储在纸张传送装置中。

公开(公告)号：US20240308801A1

公开(公告)日：2024-09-19

申请号：US18591658

申请日：2024-02-29

Applicant: Konica Minolta, Inc.

Inventor： Satoshi OGATA ,  Hitoshi ASANO ,  Yumiko IZUMIYA

IPC: B65H7/06 ,  G03G15/00

CPC classification number: B65H7/06 ,  G03G15/5029 ,  B65H2511/13 ,  B65H2515/805 ,  B65H2515/81 ,  B65H2553/40 ,  B65H2701/1131 ,  G03G2215/0062 ,  G03G2215/00734 ,  G03G2215/00738 ,  G03G2215/00776

Abstract: A sheet characteristic detection device includes a first conveyance path on which a sheet is conveyed, a second conveyance path that is branched from the first conveyance path and on which a sheet to be purged is conveyed without passing through an image former, and a first detector that is disposed on the first conveyance path and allows detection of sheet characteristic information corresponding to at least one of a size, a sheet thickness, a basis weight, or a moisture amount of the sheet.

公开(公告)号：US20200255239A1

公开(公告)日：2020-08-13

申请号：US16741922

申请日：2020-01-14

Applicant: KONICA MINOLTA, INC.

Inventor： Yumiko IZUMIYA ,  Satoshi OGATA ,  Kazutoshi YOSHIMURA ,  Hitoshi ASANO ,  Hirotada SEKI ,  Akimasa ISHIKAWA

IPC: B65H5/06 ,  B65H7/02 ,  B65H5/16

Abstract: A measuring device, includes a physical property value detector and a push contact member that pushes to bring a sheet material in contact with the physical property value detector; and further includes a first processor that stops conveyance of the sheet material, pushes to bring the sheet material in contact with the physical property value detector, and detects a physical property value of the sheet material; a second processor that, after having detected the physical property value, cancels the pushing by the push contact member, separates the sheet material from the physical property value detector, and starts conveyance of the sheet material; and a physical property value specifier that specifies the physical property value on a basis of physical property values of a plurality of positions within a surface of the sheet material detected by executing the first processing and the second processing repeatedly.

公开(公告)号：US20150063851A1

公开(公告)日：2015-03-05

申请号：US14477745

申请日：2014-09-04

Applicant: KONICA MINOLTA, INC.

Inventor： Satoshi OGATA ,  Takeshi TAMADA ,  Kenji IZUMIYA ,  Hiroshi OYAMA ,  Masayuki WATANABE

IPC: G03G15/20

CPC classification number: G03G15/2017 ,  G03G2215/2045

Abstract: A fixing apparatus comprises a fixing nip width adjustment unit configured to adjust the fixing nip width of a fixing nip portion; a braking force generation motor configured to generate an effective braking force in the direction to hinder rotation of an upper pressure roller; and a control unit configured to perform restore control for rotating the upper pressure roller and a lower pressure roller by driving a drive motor and speed keeping control for keeping the rotational speed of the braking force generation motor no higher than a predetermined speed during the restore control in a non-fixing period in which the fixing nip width adjustment unit is controlled to decrease the fixing nip width smaller than in a fixing period and a braking force is applied to the fixing side member by the braking force generation motor.

Abstract translation: 定影装置包括定影夹持宽度调节单元，其被配置为调整定影夹持部的定影夹持宽度; 制动力产生电动机，其构造成在阻止上压辊的旋转的方向上产生有效的制动力; 以及控制单元，其被配置为执行恢复控制，以通过驱动驱动电机来旋转上压力辊和下压力辊，并且在恢复控制期间保持用于将制动力发电电动机的转速保持在预定速度以上的速度保持控制 在定影夹持宽度调节单元被控制以使定影夹持宽度小于定影周期的非固定时段中，并且制动力产生马达对固定侧构件施加制动力。

公开(公告)号：US20150063850A1

公开(公告)日：2015-03-05

申请号：US14470375

申请日：2014-08-27

Applicant: KONICA MINOLTA, INC.

Inventor： Takeshi TAMADA ,  Satoshi OGATA ,  Kenji IZUMIYA ,  Hiroshi OYAMA ,  Masayuki WATANABE

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/50

Abstract: A fixing apparatus includes an upper pressure roller, a fixing belt, a lower pressure roller which cooperates with the upper pressure roller and the fixing belt for forming a fixing nip portion which holds and conveys a sheet with a toner image therebetween; a drive motor which rotates the lower pressure roller; a plurality of motors each of which is capable of generating a braking force in the direction to hinder rotation of the upper pressure roller and an assist force in the direction to assist rotation of the upper pressure roller; a torque generation unit which generate an effective braking force in the direction to hinder rotation of the fixing side member as a combination of the braking and assist forces; and a control unit which switches the motor used to generate the braking force among the plurality of motors in accordance with a predetermined condition.

Abstract translation: 定影装置包括上压辊，定影带，与上压辊和定影带配合的下压辊，用于形成定影夹持部分，该定影夹持部分保持并输送具有调色剂图像的片材; 旋转下压辊的驱动马达; 多个电动机中的每一个能够产生阻碍上压辊旋转的方向的制动力和帮助上压辊旋转的方向的辅助力; 扭矩产生单元，其在制动和辅助力的组合时沿阻止固定侧构件的旋转的方向产生有效的制动力; 以及控制单元，其根据预定条件在多个电动机之间切换用于产生制动力的电动机。

公开(公告)号：US20140363185A1

公开(公告)日：2014-12-11

申请号：US14294432

申请日：2014-06-03

Applicant: KONICA MINOLTA, INC.

Inventor： Takeshi TAMADA ,  Kenji IZUMIYA ,  Satoshi OGATA ,  Masahito TAKANO

IPC: G03G15/20

CPC classification number: G03G15/2064 ,  G03G15/2028 ,  G03G2215/2032 ,  G03G2215/2045

Abstract: An image forming apparatus comprises a drive motor configured to rotate the lower pressure roller, a torque generation unit for generating a breaking force in the direction to hinder rotation of a fixing belt in order to adjust the differential speed between the surface speed of the fixing belt and the surface speed of the lower pressure roller 64, and a control unit for adjusting the breaking force generated by the torque generation unit. The control unit adjusts the breaking force generated by the torque generation unit to decrease if the rotational torque of the drive motor is larger than a predetermined target torque, and increase if the rotational torque of the drive motor is smaller than the predetermined target torque.

Abstract translation: 图像形成装置包括：驱动电动机，其构造成使下压辊旋转;转矩产生单元，用于产生在阻碍定影带的旋转的方向上的断裂力，以便调节定影带的表面速度之间的差速 和下压辊64的表面速度，以及用于调节由转矩产生单元产生的断裂力的控制单元。 如果驱动马达的旋转扭矩大于预定目标扭矩，则控制单元调节由转矩产生单元产生的断裂力，如果驱动马达的旋转扭矩小于预定目标扭矩，则调节力降低。

公开(公告)号：US20200021694A1

公开(公告)日：2020-01-16

申请号：US16448002

申请日：2019-06-21

Applicant: Konica Minolta, Inc.

Inventor： Satoshi OGATA ,  Yumiko IZUMIYA ,  Kazutoshi YOSHIMURA ,  Tatsuhiro NOUTOMI ,  Sayaka OGASAWARA

IPC: H04N1/00

Abstract: An image forming apparatus includes the following. A measuring unit measures a physical property of media as a target on which an image is formed. An image forming operator forms an image on the media. A hardware processor controls an operation of the image forming operator and extracts a candidate of a type of media based on a measured result by the measuring unit. An operation receiver receives input to specify one type from the candidate extracted by the hardware processor. The hardware processor controls the image forming operator to form on the media an identification image determined according to a combination of the extracted candidates.

公开(公告)号：US20180113410A1

公开(公告)日：2018-04-26

申请号：US15718932

申请日：2017-09-28

Applicant: Konica Minolta, Inc.

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

IPC: G03G15/00 ,  B65H9/16 ,  B65H5/06

CPC classification number: G03G15/6561 ,  B65H5/062 ,  B65H7/20 ,  B65H9/004 ,  B65H9/006 ,  B65H9/166 ,  B65H2403/92 ,  B65H2515/704 ,  G03G15/6529

Abstract: An image forming apparatus that controls to cut off exciting currents supplied to a plurality of motors to drive conveyance roller pairs after a leading end of a paper sheet is brought in contact with a registration roller pair, and, when cutting off the exciting currents, cut off the exciting current for at least one of the motors at a different timing from the other motors.