Optimization method of optimally setting emphasis and optimization device for optimally setting emphasis
    1.
    发明授权
    Optimization method of optimally setting emphasis and optimization device for optimally setting emphasis 有权
    优化设置优化方法,优化设备优化设置重点

    公开(公告)号:US08855182B2

    公开(公告)日:2014-10-07

    申请号:US13826782

    申请日:2013-03-14

    IPC分类号: H04L1/00

    CPC分类号: H04L1/0033

    摘要: In an emphasis optimization device, a calculating unit calculates an inverse characteristic of an amplitude characteristic based on the amplitude characteristic of a transmission path, and an inverse Fourier transform unit performs an inverse Fourier transform on the inverse characteristic to obtain an impulse response. An extracting unit extracts, from the obtained impulse response, an impulse response corresponding to the number of taps necessary for emphasis to be added to a digital signal to be transmitted on the transmission path. An emphasis amount calculating unit converts the extracted impulse response into a value of the emphasis to calculate an emphasis amount.

    摘要翻译: 在强调优化装置中,计算单元基于传输路径的振幅特性来计算振幅特性的逆特性,逆傅立叶变换单元对逆特性进行逆傅立叶变换以获得脉冲响应。 提取单元从获得的脉冲响应中提取与要在发送路径上要发送的数字信号相加的强调所需的抽头数量的脉冲响应。 强调量计算单元将所提取的脉冲响应转换为强调值以计算强调量。

    Fixing device and image forming apparatus
    3.
    发明授权
    Fixing device and image forming apparatus 有权
    固定装置和成像装置

    公开(公告)号:US08824904B2

    公开(公告)日:2014-09-02

    申请号:US13479510

    申请日:2012-05-24

    IPC分类号: G03G15/20

    CPC分类号: G03G15/2042

    摘要: A fixing device includes a temperature measuring unit, configured to measure the temperature in regions that extend partially along the outer surface of a heating rotating body, which includes a resistance heating layer, in the circumferential direction and are aligned in the direction of the axis of rotation of the heat rotating body, and a control unit configured to sample temperatures, measured by the temperature measuring unit in each of the regions, over the entire outer surface of the heating rotating body in the circumferential direction by causing the heating rotating body to rotate while supplying a predetermined amount of power to the resistance heating layer, and to determine whether an abnormality has occurred in the resistance heating layer based on the difference between the maximum temperature and the minimum temperature among the sampled temperatures in each region.

    摘要翻译: 定影装置包括温度测量单元,该温度测量单元被配置为测量在包括电阻加热层的加热旋转体的外表面部分沿着圆周方向延伸并且沿轴向方向 热旋转体的旋转以及控制单元,其被配置为通过使加热旋转体旋转而在周向上在加热旋转体的整个外表面上测量由各个区域中的温度测量单元测量的温度 同时向电阻加热层提供预定量的电力,并且基于每个区域中的采样温度之间的最大温度和最低温度之间的差异来确定电阻加热层中是否发生异常。

    X-ray CT apparatus
    4.
    发明授权
    X-ray CT apparatus 有权
    X射线CT装置

    公开(公告)号:US07778381B2

    公开(公告)日:2010-08-17

    申请号:US12267101

    申请日:2008-11-07

    IPC分类号: A61B6/00

    摘要: The present invention provides an X-ray CT apparatus capable of obtaining each tomographic image indicative of X-ray tube voltage dependent information of a subject with the optimum image quality by less reduced exposure. The X-ray CT apparatus includes device for setting a plurality of X-ray tube voltages and sets imaging conditions used in the photography using the respective X-ray tube voltages in such a manner that respective image noise of tomographic images photographed at the X-ray tube voltages become substantially identical to one another. The setting of the imaging conditions is the setting of X-ray tube currents. The X-ray tube currents are set based on geometrical characteristic amounts of the subject determined from each scout image in such a manner that the respective image noise of the tomographic images photographed at the plurality of X-ray tube voltages become substantially identical to one another.

    摘要翻译: 本发明提供一种X射线CT装置,其能够通过减少曝光减少获得指示具有最佳图像质量的被摄体的X射线管电压依赖信息的每个断层图像。 X射线CT装置包括用于设置多个X射线管电压的装置,并且使用各X射线管电压设置在摄影中使用的成像条件,使得在X射线管的电压下拍摄的断层图像的各自的图像噪声, 射线管电压彼此基本相同。 成像条件的设定是X射线管电流的设定。 X射线管电流基于从每个侦察图像确定的被摄体的几何特征量,以使得在多个X射线管电压下拍摄的断层图像的各自图像噪声彼此基本相同的方式来设定 。

    Imaging control method and X-ray CT apparatus
    5.
    发明申请
    Imaging control method and X-ray CT apparatus 审中-公开
    成像控制方法和X射线CT装置

    公开(公告)号:US20060280284A1

    公开(公告)日:2006-12-14

    申请号:US11438737

    申请日:2006-05-22

    CPC分类号: A61B6/541 A61B6/032

    摘要: The present invention provides an imaging control method, which allows cardiac imaging of better quality to be obtained and an X-ray CT apparatus suitable for such imaging control. In order to control the start timing of the imaging by an X-ray CT apparatus, the method comprises computing the heart rate of the subject, and starting the imaging when the heart rate is stably settled. The heart rate computation is conducted on the heartbeats during the breath holding period. The start of imaging is automatic or manual when the heart rate stability is well fallen within the tolerance. The manual start of imaging is based on the indication that the heart rate stability is fallen within the tolerance. The manual start may also be based on the indication of the heartbeats or the transition of heart rate stability.

    摘要翻译: 本发明提供了一种成像控制方法,其能够获得更好质量的心脏成像和适合于这种成像控制的X射线CT装置。 为了通过X射线CT装置来控制成像的开始定时,该方法包括计算被检体的心率,并且当心率稳定地稳定时开始成像。 心率计算是在呼吸暂停期间对心跳进行的。 当心率稳定性良好地下降到容差内时,成像的开始是自动的或手动的。 手动开始成像是基于心率稳定性落在容差内的指示。 手动启动也可以基于心跳的指示或心率稳定性的转变。

    FIXING DEVICE AND IMAGE FORMATION APPARATUS
    8.
    发明申请
    FIXING DEVICE AND IMAGE FORMATION APPARATUS 有权
    固定装置和图像形成装置

    公开(公告)号:US20120076521A1

    公开(公告)日:2012-03-29

    申请号:US13236692

    申请日:2011-09-20

    IPC分类号: G03G15/20

    摘要: A fixing device for fixing an unfixed toner image on a recording sheet by passing the recording sheet through a fixing nip and applying heat and pressure to the recording sheet, the fixing device comprising: a heater including a resistance heater part and a supporting member, the resistance heater part having a positive resistance-temperature characteristic in a temperature range above a predetermined level, and the supporting member being insulative and supporting the resistance heater part such that the resistance heater part applies heat to the recording sheet; a current detector detecting a current supplied to the resistance heater part; and an abnormality determiner determining whether the resistance heater part has an abnormality, based on an initial current detected by the current detector at a predetermined time after a beginning of power supply to the resistance heater part and before the temperature of the resistance heater part reaches the predetermined level.

    摘要翻译: 一种定影装置,用于通过使记录片材通过定影辊隙将未定影的调色剂图像定影在记录片材上,并将热和压力施加到记录片材上,该定影装置包括:加热器,包括电阻加热器部分和支撑部件, 电阻加热器部件在高于预定水平的温度范围内具有正电阻温度特性,并且所述支撑部件绝缘并支撑所述电阻加热器部分,使得所述电阻加热器部件向所述记录片材加热; 电流检测器,检测供应到电阻加热器部分的电流; 以及异常判定器,基于在电阻加热器部分的电力供应开始之后的预定时间和电阻加热器部分的温度达到之前由电流检测器检测到的初始电流来确定电阻加热器部分是否具有异常 预定水平。

    Fixing device and image formation apparatus
    9.
    发明授权
    Fixing device and image formation apparatus 有权
    固定装置和图像形成装置

    公开(公告)号:US09002220B2

    公开(公告)日:2015-04-07

    申请号:US13236692

    申请日:2011-09-20

    IPC分类号: G03G15/20 G03G15/00

    摘要: A fixing device for fixing an unfixed toner image on a recording sheet by passing the recording sheet through a fixing nip and applying heat and pressure to the recording sheet, the fixing device comprising: a heater including a resistance heater part and a supporting member, the resistance heater part having a positive resistance-temperature characteristic in a temperature range above a predetermined level, and the supporting member being insulative and supporting the resistance heater part such that the resistance heater part applies heat to the recording sheet; a current detector detecting a current supplied to the resistance heater part; and an abnormality determiner determining whether the resistance heater part has an abnormality, based on an initial current detected by the current detector at a predetermined time after a beginning of power supply to the resistance heater part and before the temperature of the resistance heater part reaches the predetermined level.

    摘要翻译: 一种定影装置,用于通过使记录片材通过定影辊隙将未定影的调色剂图像定影在记录片材上,并将热和压力施加到记录片材上,该定影装置包括:加热器,包括电阻加热器部分和支撑部件, 电阻加热器部件在高于预定水平的温度范围内具有正电阻温度特性,并且所述支撑部件绝缘并支撑所述电阻加热器部分,使得所述电阻加热器部件向所述记录片材加热; 电流检测器,检测供应到电阻加热器部分的电流; 以及异常判定器,基于在电阻加热器部分的电力供应开始之后的预定时间和电阻加热器部分的温度达到之前由电流检测器检测到的初始电流来确定电阻加热器部分是否具有异常 预定水平。

    FIXING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME
    10.
    发明申请
    FIXING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME 有权
    固定装置和使用它的图像形成装置

    公开(公告)号:US20110064442A1

    公开(公告)日:2011-03-17

    申请号:US12874115

    申请日:2010-09-01

    IPC分类号: G03G15/20

    摘要: To enhance the fixing quality of a fixing device to continuously fix sheets of a plurality of sizes, a carbon nanotube sheet 75, in which a plurality of carbon nanotubes are arranged such that the longitudinal directions thereof are oriented in the same direction, is provided on the surface of a heating roller 70 so that the carbon nanotube sheet ranges from the position a predetermined distance inside and the position a predetermined distance outside of the position through which each of the both edges of a sheet P2 with smaller width dimension than a sheet P1 of the largest width dimension to be fixed passes.

    摘要翻译: 为了提高定影装置的定影质量以连续地固定多个尺寸的片材,将其中多个碳纳米管沿纵向方向排列成相同方向的碳纳米管片75设置在 加热辊70的表面,使得碳纳米管片从距离内部的预定距离的位置和距离片材P2的两个边缘中的每一个的宽度尺寸小于片材P1的位置之外的预定距离 的最大宽度尺寸要固定通过。