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热词
    • 1. 发明授权
    • Method of driving heating element to match its resistance, thermal
printer, and resistance measuring device
    • 驱动加热元件以匹配其电阻的方法,热敏打印机和电阻测量装置
    • US5912693A
    • 1999-06-15
    • US763780
    • 1996-12-11
    • Nobuo KatsumaYoshiki KawaokaJunji Hayashi
    • Nobuo KatsumaYoshiki KawaokaJunji Hayashi
    • G01R17/10G01R27/02
    • G01R17/105G01R27/02
    • A standard resistor having a known resistance value is connected to one transistor in a drive IC. The drive IC has a plurality of transistors each controlling the on/off of a heating element. The saturation voltage of each transistor is generally the same. One of a plurality of transistors is turned on, and a discharge time required for a capacitor to discharge via a standard resistor or via each heating element and lower its voltage to a predetermined voltage is measured. The resistance value of each heating element is determined from a ratio of a discharge time via each heating element to a discharge time via the standard resistor and the resistance value of the standard resistor. A difference between the standard resistance value and a resistance value of each heating element generates a bias heat energy error during bias heating and an image heat energy error during image heating. In accordance with these heat energy errors, bias data for generating a heat energy immediately before coloring is corrected. Each heating element is driven by using the corrected bias data, and the heat energy errors are corrected at the time of bias heading. At the time of image heating, each heating element is driven by using image data without considering the resistance value error.
    • 具有已知电阻值的标准电阻器连接到驱动IC中的一个晶体管。 驱动IC具有多个晶体管,每个晶体管控制加热元件的导通/截止。 每个晶体管的饱和电压一般相同。 多个晶体管中的一个导通,并且测量电容器经由标准电阻器或经由每个加热元件放电并将其电压降低到预定电压所需的放电时间。 每个加热元件的电阻值根据通过标准电阻器经由每个加热元件的放电时间与放电时间的比率和标准电阻器的电阻值来确定。 每个加热元件的标准电阻值和电阻值之间的差异在偏压加热期间产生偏置热能误差,并且在图像加热期间产生图像热能误差。 根据这些热能误差,校正在着色之前产生热能的偏置数据。 通过使用校正的偏置数据来驱动每个加热元件,并且在偏置导向时校正热能误差。 在图像加热时,通过使用图像数据驱动每个加热元件,而不考虑电阻值误差。
    • 5. 发明授权
    • Image memory device and method of operating same
    • 图像存储装置及其操作方法
    • US5589889A
    • 1996-12-31
    • US235221
    • 1994-04-29
    • Yoshiki Kawaoka
    • Yoshiki Kawaoka
    • H04N5/14H04N5/202
    • H04N5/202
    • An image memory device is so adapted as to make it possible to use an image pick-up device having any characteristic and a display unit having any characteristic. The image memory device includes an input look-up table and an output look-up table. Data for performing a reverse gamma-correction is set in the input look-up table in advance in dependence upon the image pick-up device used. By virtue of the reverse gamma-correction, the image data is provided with linear characteristics. The reverse gamma-corrected data is stored in the memory. Data for performing a gamma correction is set in the output look-up table in advance in dependence upon the display unit used.
    • 图像存储装置适于使得可以使用具有任何特性的图像拾取装置和具有任何特性的显示单元。 图像存储装置包括输入查找表和输出查找表。 根据所使用的图像拾取装置,预先在输入查找表中设置用于执行反向伽马校正的数据。 凭借反向伽马校正,图像数据被提供有线性特征。 反向伽马校正数据存储在存储器中。 根据所使用的显示单元,预先在输出查找表中设定用于进行伽马校正的数据。
    • 7. 发明授权
    • Image editing apparatus and method
    • 图像编辑装置及方法
    • US08311393B2
    • 2012-11-13
    • US10446853
    • 2003-05-29
    • Yoshiki Kawaoka
    • Yoshiki Kawaoka
    • H04N5/93H04N1/00H04N1/46H04N1/387H04N5/77H04N5/78H04N5/84H04N5/225G06F7/00G06F11/30G06K1/00G06K9/36
    • H04N1/00283G11B27/034H04N1/00453H04N2201/0082
    • The motion picture image print apparatus extracts a plurality of frames from recorded motion picture data for printing, the apparatus enabling the range of loaded images to be determined from images reproduced on a screen, not from the results of measurement of time, thus allowing a desired print to be more easily obtained. An operator reads motion picture image data recorded on a recording medium. The operator then sets a layout of a print output and the number of image frames in the print output to display a list of motion picture image files on a list screen, thereby selecting motion picture image file to be printed. The operator then depresses a motion picture control button to reproduce the selected motion picture image file in the check area. While viewing the reproduced images, the operator sets at least either a print starting image or a print ending image by depressing a “From” button or a “To” button, respectively. Thus, images corresponding to a predetermined number of frames are extracted from the set range of images at equal intervals. The extracted images are edited so as to be arranged in the set layout and are then printed.
    • 运动图像图像打印装置从记录的用于打印的运动图像数据中提取多个帧,该装置使得能够从屏幕上再现的图像确定加载的图像的范围,而不是从时间的测量结果确定所需的图像,从而允许期望的 打印更容易获得。 操作者读取记录在记录介质上的动态图像数据。 然后,操作者设置打印输出的布局和打印输出中的图像帧数,以在列表画面上显示运动图像图像文件的列表,从而选择要打印的运动图像图像文件。 然后,操作者按下运动图像控制按钮,以在检查区域中再现所选择的运动图像图像文件。 在观看再现的图像的同时,操作者分别通过按下From按钮或To按钮至少设置打印开始图像或打印结束图像。 因此,以等间隔从图像的设定范围中提取与预定帧数对应的图像。 所提取的图像被编辑以便被布置在设置的布局中,然后被打印。