公开(公告)号：US09465313B2

公开(公告)日：2016-10-11

申请号：US14800803

申请日：2015-07-16

Applicant: KONICA MINOLTA, INC.

Inventor： Makoto Obayashi ,  Satoshi Masuda ,  Yoshikazu Watanabe ,  Masayuki Iijima ,  So Yano ,  Takaki Uemura

IPC: G03G15/00 ,  G03G15/04 ,  G03G15/043

CPC classification number: G03G15/04054 ,  G03G15/043

Abstract: An optical print head includes: light-emitting elements in line shape; first power line supplying first reference voltage; second power line supplying drive current to each light-emitting element and supplying second reference voltage; DAC outputting first voltage indicating light emission amount of each light-emitting element; first elements for holding first voltage difference between the first reference voltage and the first voltage; second elements each electrically connectable with corresponding first element and for holding second voltage difference between the second reference voltage and second voltage according to the first voltage, and during supply of drive current, controls each first element to hold the first difference by electrically disconnecting the first and second elements, and temporarily suspends supply of the drive current, and controls the second element to hold the second difference by electrically connecting the first and second elements, such that the drive current according to the second voltage difference is supplied.

Abstract translation: 光学打印头包括：线形的发光元件; 第一电源线提供第一参考电压; 第二电力线向每个发光元件提供驱动电流并提供第二参考电压; DAC输出表示每个发光元件的发光量的第一电压; 用于保持所述第一参考电压和所述第一电压之间的第一电压差的第一元件; 第二元件，其可以与相应的第一元件电连接，并且用于根据第一电压保持第二参考电压和第二电压之间的第二电压差，并且在供应驱动电流期间，通过电连接第一电压 和第二元件，并且暂时停止驱动电流的供给，并且通过电连接第一和第二元件来控制第二元件以保持第二差异，使得提供根据第二电压差的驱动电流。

公开(公告)号：US20170171411A1

公开(公告)日：2017-06-15

申请号：US15375122

申请日：2016-12-11

Applicant: Konica Minolta, Inc.

Inventor： Kazuya Anezaki ,  Atsushi Ohshima ,  Kenji Matsuhara ,  Satoshi Masuda ,  Daisuke Sakiyama ,  Takeshi Maekawa ,  Hironori Harada

IPC: H04N1/00 ,  H04N1/333 ,  H04N1/32 ,  H04N1/327

CPC classification number: H04N1/00891 ,  H04N1/00244 ,  H04N1/00933 ,  H04N1/32625 ,  H04N1/32765 ,  H04N1/32795 ,  H04N1/33384 ,  H04N2201/0094

Abstract: An image processing device that communicates with a first server and a second server includes a main controller and a power controller. The main controller establishes a connection that enables communication with the first and second servers, establishes a periodic communication with the first and second servers to maintain the connection, manages a first time interval between the periodic communication with the first server, manages a second time interval between the periodic communication with the second server, and changes one or both of the first time interval and the second time interval. The power controller stops and starts power supply to the main controller.

公开(公告)号：US09335652B2

公开(公告)日：2016-05-10

申请号：US14182379

申请日：2014-02-18

Applicant: Konica Minolta, Inc.

Inventor： Yoshikazu Watanabe ,  Satoshi Masuda ,  Makoto Obayashi ,  Masayuki Iijima ,  So Yano

IPC: G03G15/043 ,  G03G15/04

CPC classification number: G03G15/043 ,  G03G15/04054

Abstract: An optical writing device having; a plurality of light-emitting points; a plurality of drive circuits for supplying drive currents to the plurality of light-emitting points respectively; a photodetector for outputting signals indicating quantities of light entering thereto from the respective light-emitting points; a gain switch circuit for outputting photodetection signals obtained by amplifying the signals output from the photodetector in regard to the respective light-emitting points with gains preset for the respective light-emitting points; and a control circuit for controlling the drive circuits such that the photodetection signals output from the gain switch circuit in regard to the respective light-emitting points coincide with a value substantially equal to a predetermined reference value. The gains for the respective light-emitting points are preset based on the distances between the photodetector and the respective light-emitting points.

Abstract translation: 一种光写入装置，具有： 多个发光点; 多个驱动电路，用于分别向多个发光点提供驱动电流; 光电检测器，用于输出指示从各个发光点进入的光量的信号; 增益切换电路，用于输出通过对于各个发光点放大对于各个发光点从光检测器输出的信号而获得的增益，该增益为各个发光点预先设定的增益; 以及控制电路，用于控制驱动电路，使得从增益开关电路输出的关于各个发光点的光检测信号与基本上等于预定基准值的值一致。 基于光电检测器和各个发光点之间的距离来预设各个发光点的增益。

公开(公告)号：US09110399B2

公开(公告)日：2015-08-18

申请号：US14204725

申请日：2014-03-11

Applicant: Konica Minolta, Inc.

Inventor： Satoshi Masuda ,  Yoshikazu Watanabe ,  Makoto Obayashi ,  Masayuki Iijima ,  So Yano

IPC: B41J29/393 ,  G03G15/043 ,  G03G15/04

CPC classification number: G03G15/043 ,  G03G15/04054

Abstract: An optical writing device for forming an electrostatic latent image on a photoreceptor by exposing the photoreceptor to light modulated in accordance with image data. The optical writing device has: a substrate; a light-emitting-element array including a plurality of light-emitting elements supported by the substrate to be arranged in a main-scanning direction; and a light-receiving-element array substantially in parallel to the light-emitting-element array, the light-receiving-element array including a plurality of light-receiving elements supported by the substrate to be arranged in the main-scanning direction. For light-quantity measurement of one of the light-emitting elements, at least an output value output from one of the light-receiving elements of which center is located in a different position, with respect to the main-scanning direction, from a center of the one of the light-emitting elements is used.

Abstract translation: 一种光学写入装置，用于通过将感光体暴露于根据图像数据调制的光，在感光体上形成静电潜像。 光写入装置具有：基板; 发光元件阵列，其包括被配置在主扫描方向上的由所述基板支撑的多个发光元件; 以及与发光元件阵列大致平行的受光元件阵列，所述受光元件阵列包括由所述基板支撑的多个受光元件，所述受光元件沿主扫描方向配置。 对于一个发光元件的光量测量，至少从其中心的一个光接收元件相对于主扫描方向位于不同位置的输出值从中心 使用发光元件之一。

公开(公告)号：US20150103865A1

公开(公告)日：2015-04-16

申请号：US14511205

申请日：2014-10-10

Applicant: KONICA MINOLTA, INC.

Inventor： So YANO ,  Satoshi Masuda ,  Makoto Obayashi ,  Masayuki Iljima ,  Yoshikazu Watanabe

IPC: G01K13/00 ,  G03G15/043 ,  B41J2/44 ,  G01J1/42 ,  G01K11/00

CPC classification number: G03G15/043 ,  B41J2/45 ,  G01K7/01 ,  G01K7/42 ,  G06K15/027 ,  G06K15/1247

Abstract: An optical writing device having; a plurality of light-emitting points; a photodiode configured to output a signal which represents a quantity of incident light from a predetermined light-emitting point selected from the plurality of light-emitting points; and a calculation section for calculating a temperature of the photodiode based on a magnitude of a photodiode dark current included in the signal output from the photodiode while the predetermined light-emitting point is OFF.

Abstract translation: 一种光写入装置，具有： 多个发光点; 光电二极管，被配置为输出表示来自所述多个发光点中的预定发光点的入射光量的信号; 以及计算部，用于基于当预定发光点为OFF时从光电二极管输出的信号中包括的光电二极管暗电流的大小来计算光电二极管的温度。

公开(公告)号：US11892350B2

公开(公告)日：2024-02-06

申请号：US17276791

申请日：2019-07-19

Applicant: KONICA MINOLTA, INC.

Inventor： Satoshi Masuda

IPC: G01J11/00 ,  G01J1/44

CPC classification number: G01J11/00 ,  G01J1/44

Abstract: A device for measuring two-dimensional flicker of the present application includes a plurality of two-dimensional sensors having a partial readout function of reading out only a pixel value of some of photoelectric conversion elements included in set partial readout regions, among a plurality of photoelectric conversion elements. In the device for measuring two-dimensional flicker, a plurality of measurement regions are set two-dimensionally on a measurement target object. Each pixel in the plurality of measurement regions is individually acquired, by setting each of the plurality of partial readout regions of the plurality of two-dimensional sensors in each of a plurality of partial imaging regions obtained by dividing an entire imaging region including entirely the measurement target object. A flicker value of the plurality of measurement regions is individually obtained based on each pixel value in the plurality of measurement regions.

公开(公告)号：US10122879B2

公开(公告)日：2018-11-06

申请号：US15375122

申请日：2016-12-11

Applicant: Konica Minolta, Inc.

Inventor： Kazuya Anezaki ,  Atsushi Ohshima ,  Kenji Matsuhara ,  Satoshi Masuda ,  Daisuke Sakiyama ,  Takeshi Maekawa ,  Hironori Harada

IPC: H04N1/00 ,  H04N1/32 ,  H04N1/327 ,  H04N1/333

Abstract: An image processing device that communicates with a first server and a second server includes a main controller and a power controller. The main controller establishes a connection that enables communication with the first and second servers, establishes a periodic communication with the first and second servers to maintain the connection, manages a first time interval between the periodic communication with the first server, manages a second time interval between the periodic communication with the second server, and changes one or both of the first time interval and the second time interval. The power controller stops and starts power supply to the main controller.

公开(公告)号：US09594327B2

公开(公告)日：2017-03-14

申请号：US14699189

申请日：2015-04-29

Applicant: KONICA MINOLTA INC.

Inventor： Satoshi Masuda ,  Makoto Obayashi ,  Yoshikazu Watanabe ,  Masayuki Iijima ,  So Yano ,  Takaki Uemura

IPC: G03G15/04 ,  G09G5/18 ,  G09G3/3283 ,  G09G3/32

CPC classification number: G03G15/04054 ,  G09G3/3283 ,  G09G5/18 ,  G09G2300/0426

Abstract: An optical writing device includes a plurality of current driven light emitting elements, first and second power source lines, a designation circuit that outputs a designation potential, first driving circuits provided for each of the light emitting elements to supply driving current to the corresponding light emitting element, second driving circuits provided for each of the light emitting elements to supply driving current to the corresponding light emitting element, and a switching control unit that alternately switches respective states of the first and second driving circuits between a state where one of the first and second driving circuits receives the designation potential while the other driving circuit supplies the driving current, and a state where the other driving circuit receives the designation potential while the one driving circuit supplies the driving current.

Abstract translation: 光学写入装置包括多个电流驱动发光元件，第一和第二电源线，输出指定电位的指定电路，为每个发光元件提供的第一驱动电路，以向相应的发光元件提供驱动电流 为每个发光元件提供的元件第二驱动电路，以向相应的发光元件提供驱动电流;以及切换控制单元，其交替地切换第一和第二驱动电路的各自的状态， 第二驱动电路在另一个驱动电路提供驱动电流的同时接收指定电位，另一个驱动电路在一个驱动电路提供驱动电流的同时接收指定电位的状态。

公开(公告)号：US20160366292A1

公开(公告)日：2016-12-15

申请号：US15182180

申请日：2016-06-14

Applicant: Konica Minolta, Inc.

Inventor： Kazuya Anezaki ,  Hirokazu Kubota ,  Kenji Matsuhara ,  Satoshi Masuda ,  Daisuke Sakiyama ,  Yuki Asai

IPC: H04N1/00 ,  H04L12/46 ,  H04W8/00 ,  H04W40/22

CPC classification number: H04N1/00244 ,  H04L12/4633 ,  H04L12/6418 ,  H04N1/00347 ,  H04N2201/0039 ,  H04N2201/0094 ,  H04W8/005 ,  H04W40/22 ,  H04W88/04 ,  H04W88/16

Abstract: A communication system includes a plurality of communication relay apparatuses relaying communication between the plurality of devices provided inside a LAN and an external server provided outside the LAN. A first communication relay apparatus performs a device search process of searching the LAN for a device, acquires information on a first management target device which is a device whose communication relay process is managed by a second communication relay apparatus, and determines a second management target device which is a device whose communication relay process is managed by the first communication relay apparatus. The first communication relay apparatus determines the second management target device after removing at least partial duplication of the second management target device and the first management target device, by excluding at least some of the first management target device from two or more devices which are retrieved in the device search process.

Abstract translation: 通信系统包括多个通信中继装置，其中，所述多个通信中继装置中继设置在LAN内的多个设备与设置在LAN外部的外部服务器之间的通信。 第一通信中继装置执行对设备的LAN进行搜索的设备搜索处理，获取作为通信中继处理由第二通信中继装置管理的设备的第一管理对象设备的信息，并且确定第二管理对象设备 其是通信中继处理由第一通信中继装置管理的装置。 第一通信中继装置在从至少部分复制第二管理对象装置和第一管理对象装置移除第二管理对象装置之后，通过从两 设备搜索过程。

公开(公告)号：US09254678B2

公开(公告)日：2016-02-09

申请号：US14664086

申请日：2015-03-20

Applicant: Konica Minolta, Inc.

Inventor： Yoshikazu Watanabe ,  Satoshi Masuda ,  Makoto Obayashi ,  Masayuki Iijima ,  So Yano ,  Takaki Uemura

IPC: B41J2/435 ,  B41J2/47

CPC classification number: B41J2/47 ,  B41J2/451 ,  B41J2002/453

Abstract: Optical print head includes: light-emitting elements connected one-to-one to current supply lines branching from first power line at different positions in longitudinal direction; holding elements; signal writing unit writing luminance signal into each holding element, the luminance signal being represented by voltage indicating light emission amount of corresponding light-emitting element; second power line supplying reference voltage to each holding element, the reference voltage being reference when signal writing unit writes luminance signal into holding element; and driving drivers corresponding one-to-one with current supply lines and controlling current supplied to corresponding current supply line from first power line, in accordance with voltage held in corresponding holding element when signal writing unit has written luminance signal into corresponding holding element, wherein power source supplying the reference voltage to second power line is common with power source supplying voltage to signal output subunit outputting luminance signal.

Abstract translation: 光学打印头包括：与第一电源线在纵向不同位置分支的电流供应线路一对一连接的发光元件; 持有元素 信号写入单元将亮度信号写入每个保持元件，所述亮度信号由表示对应的发光元件的发光量的电压表示; 第二电力线向每个保持元件提供参考电压，参考电压是信号写入单元将亮度信号写入保持元件时的参考电压; 以及当信号写入单元将亮度信号写入到相应的保持元件中时，根据当前保持在相应的保持元件中的电压，从第一电力线控制提供给相应电流线的电流，驱动驱动器与当前电源线一一对应， 向第二电力线提供参考电压的电源对于输出亮度信号的信号输出子单元的电源提供电压是常见的。