OPTICAL PRINT HEAD AND IMAGE FORMING APPARATUS
    1.
    发明申请
    OPTICAL PRINT HEAD AND IMAGE FORMING APPARATUS 有权
    光学打印头和图像形成装置

    公开(公告)号:US20160018755A1

    公开(公告)日:2016-01-21

    申请号:US14800803

    申请日:2015-07-16

    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。

    OPTICAL PRINT HEAD AND IMAGE FORMING DEVICE
    2.
    发明申请
    OPTICAL PRINT HEAD AND IMAGE FORMING DEVICE 有权
    光学打印头和图像形成装置

    公开(公告)号:US20160011535A1

    公开(公告)日:2016-01-14

    申请号:US14790341

    申请日:2015-07-02

    CPC classification number: G03G15/043 G03G15/04063

    Abstract: An optical print head for forming an electrostatic latent image on a photosensitive body, including: current-driven light-emitting elements disposed in a line shape; an indicator circuit that outputs indicator current indicating light emission amounts to the light-emitting elements; and for each light-emitting element: a holding circuit that, during a main scanning period, accumulates indicator current during a sample period to generate an indicator potential and holds the indicator potential during a hold period; and a drive circuit that supplies drive current to the light-emitting element according to the indicator potential, wherein each of the sample periods is divided into writing periods, and each of the holding circuits holds the indicator potential corresponding to the holding circuit according to a total of indicator current amounts in the sample period corresponding to the holding circuit, the indicator current amounts each indicative of indicator current during one of the writing periods.

    Abstract translation: 一种用于在感光体上形成静电潜像的光学打印头,包括:以线状布置的电流驱动的发光元件; 指示电路,其向所述发光元件输出指示发光量的指示电流; 并且对于每个发光元件:保持电路,其在主扫描周期期间在采样周期期间累积指示电流以产生指示电位并在保持期间保持指示电位; 以及驱动电路,其根据指示电位向发光元件供给驱动电流,其中每个采样周期被划分为写入周期,并且每个保持电路根据一个保持电路保持与保持电路相对应的指示电位 对应于保持电路的采样周期中的指示器电流量的总和,在一个写入周期期间的每个指示电流的指示器电流量。

    PHOTOMETRIC APPARATUS, CALIBRATION SYSTEM, CALIBRATION METHOD, AND NON-TRANSITORY RECORDING MEDIUM

    公开(公告)号:US20250020507A1

    公开(公告)日:2025-01-16

    申请号:US18762173

    申请日:2024-07-02

    Inventor: Satoshi MASUDA

    Abstract: A photometric apparatus includes: a dimming member disposed so as to be insertable in and removable from a light path of light to be measured from a display; and a hardware processor that acquires a photometric value of the light to be measured in a state in which the dimming member is inserted in the light path and a photometric value of the light to be measured in a state in which the dimming member is not inserted in the light path in order to generate a calibration coefficient for suppressing a measurement error between the state in which the dimming member is inserted in the light path and the state in which the dimming member is not inserted in the light path.

    COMMUNICATION SYSTEM AND COMMUNICATION METHOD
    4.
    发明申请
    COMMUNICATION SYSTEM AND COMMUNICATION METHOD 有权
    通信系统和通信方法

    公开(公告)号:US20160150112A1

    公开(公告)日:2016-05-26

    申请号:US14947528

    申请日:2015-11-20

    Abstract: A communication system includes a cloud server, a management server, a gateway-enabled device, and a printing apparatus, and these are connected to each other. The gateway-enabled device includes a mode switch that wakes up the device from power saving mode when a HTTP tunneling request is received from the cloud server via a second requesting portion of the management server, a tunneling portion that accesses the cloud server by HTTP tunneling if the request is received via a first requesting portion of the management server during normal operation mode or that does the same after back to normal operation mode if the request is received via the second requesting portion by a method allowing waking up from power saving mode, a receiver that receives a print job from the cloud server having being accessed by HTTP tunneling, and a transfer portion that transfers the print job to the printing apparatus.

    Abstract translation: 通信系统包括云服务器,管理服务器,启用网关的设备和打印设备,并且它们彼此连接。 启用网关的设备包括模式切换器,当经由管理服务器的第二请求部分从云服务器接收到HTTP隧道请求时,将设备从省电模式唤醒,通过HTTP隧道访问云服务器的隧道部分 如果在正常操作模式期间经由管理服务器的第一请求部分接收到请求,或者如果通过允许从省电模式唤醒的方法经由第二请求部分接收到请求,则在返回到正常操作模式之后, 通过HTTP隧道接收来自云服务器的打印作业的接收器,以及将打印作业传送到打印装置的传送部分。

    OPTICAL MEASURING DEVICE, OPTICAL MEASURING METHOD, DATA PROCESSING DEVICE, AND PROGRAM

    公开(公告)号:US20230033014A1

    公开(公告)日:2023-02-02

    申请号:US17871706

    申请日:2022-07-22

    Inventor: Satoshi MASUDA

    Abstract: An optical measuring device includes: a stimulus value acquirer that receives light from a measurement target and continuously acquires intensity corresponding to a stimulus value at a regular time interval; a response characteristic acquirer that acquires an impulse response characteristic from a storage that stores the impulse response characteristic corresponding to a luminous stimulus response; and a hardware processor that performs digital filter processing on continuous data of stimulus value intensity acquired by the stimulus value acquirer by the impulse response characteristic acquired by the response characteristic acquirer to generate data on which the luminous stimulus response is superimposed.

    FLICKER MEASUREMENT DEVICE AND MEASUREMENT METHOD

    公开(公告)号:US20220406270A1

    公开(公告)日:2022-12-22

    申请号:US17774926

    申请日:2020-10-21

    Inventor: Satoshi MASUDA

    Abstract: Provided with: a detecting means to detect a possible light intensity changing frequency of a measuring object; a frequency determining means to determine a light intensity changing frequency with reference to the possible light intensity changing frequency; a resolution determining means to determine a frequency resolution for flicker measuring with reference to the determined light intensity changing frequency; and a flicker measuring means to conduct flicker measuring with the determined frequency resolution. The resolution determining means determines the frequency resolution to be an integral submultiple of the light intensity changing frequency determined by the frequency determining means.

    INFORMATION PROCESSING SYSTEM, CLOUD SERVER, DEVICE CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM ENCODED WITH DEVICE CONTROL PROGRAM
    7.
    发明申请
    INFORMATION PROCESSING SYSTEM, CLOUD SERVER, DEVICE CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM ENCODED WITH DEVICE CONTROL PROGRAM 有权
    信息处理系统,云服务器,设备控制方法和编码与设备控制程序的非终端计算机可读记录介质

    公开(公告)号:US20160156484A1

    公开(公告)日:2016-06-02

    申请号:US14954312

    申请日:2015-11-30

    CPC classification number: H04L12/4633 H04L67/1097 H04L67/141 H04L67/145

    Abstract: A cloud server acquires a stop period indicating a period during which a management server refrains from providing services; transmits connection requests to said management server if not in the stop period; establishes first communication session when establishment requests including the same address information as address information of connection destination included in the connection request are received from a relay device receiving connection requests forwarded from the management server after transmission of connection requests; transmits jobs to a control target device via first communication session; after first communication session is established, in response to acquisition of result of jobs executed by the control target device, if in the stop period, disconnects first communication session after the stop period finished; and if jobs are generated in the stop period, transmits to the control target device jobs generated in the stop period, via first communication session established before the stop period starts.

    Abstract translation: 云服务器获取指示管理服务器不提供服务的期间的停止时段; 如果不在停止期间,则向所述管理服务器发送连接请求; 当从发送连接请求的接收到从管理服务器转发的连接请求的中继设备接收到包括与连接请求中包括的连接目的地的地址信息相同的地址信息的建立请求时,建立第一通信会话; 通过第一通信会话将作业发送到控制目标设备; 在第一通信会话建立之后,响应于获取由控制目标设备执行的作业的结果,如果在停止时段中,在停止时段结束之后断开第一通信会话; 并且如果在停止时段中生成作业,则通过在停止时段开始之前建立的第一通信会话,向停止期间生成的控制目标设备发送作业。

    OPTICAL WRITING DEVICE AND IMAGE FORMING APPARATUS
    8.
    发明申请
    OPTICAL WRITING DEVICE AND IMAGE FORMING APPARATUS 有权
    光学写入装置和图像形成装置

    公开(公告)号:US20150317953A1

    公开(公告)日:2015-11-05

    申请号:US14699189

    申请日:2015-04-29

    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。

    OPTICAL WRITING DEVICE AND IMAGE FORMING APPARATUS
    9.
    发明申请
    OPTICAL WRITING DEVICE AND IMAGE FORMING APPARATUS 有权
    光学写入装置和图像形成装置

    公开(公告)号:US20140232805A1

    公开(公告)日:2014-08-21

    申请号:US14182379

    申请日:2014-02-18

    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; 以及用于控制驱动电路的控制电路,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参考值的值一致。 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。

    PHOTOMETRIC APPARATUS, PHOTOMETRIC METHOD, AND CALIBRATION SYSTEM

    公开(公告)号:US20250020578A1

    公开(公告)日:2025-01-16

    申请号:US18762610

    申请日:2024-07-02

    Abstract: The photometric apparatus includes a light receiver having one or a plurality of light receiving sensors that receive light to be measured from an object to be measured; a controller that calculates a measured value based on an output from the one or plurality of light receiving sensors; a light attenuation member that is disposed so as to be insertable in and removable from a light path of the light to be measured and attenuates the light to be incident on the light receiver; and a corrector that corrects a difference between a measured value calculated by the controller in a state in which the light attenuation member is inserted in the light path and a measured value calculated by the controller in a state in which the light attenuation member is not inserted in the light path, the measured values varying depending on a characteristic of the object.

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