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    • 2. 发明授权
    • System and method for variable toner output in output devices
    • 输出设备中可变色粉输出的系统和方法
    • US5860047A
    • 1999-01-12
    • US845342
    • 1997-04-25
    • Mathew W. Hernandez
    • Mathew W. Hernandez
    • G06K15/02H04N1/40G03G15/04B41J2/385G06F15/00
    • G06K15/02H04N1/40093
    • A pixel matrix preferably containing nine pixels is analyzed to determine whether or not all of the image values for the pixels in the pixel matrix correspond to a full saturation level. If the image values do correspond to full saturation level, preferably the center pixel is produced using a variably reduced toner output. If all of the image values do not correspond to full saturation level, the center pixel is produced using conventional methods. The system of the preferred embodiment is comprised of an input buffer for storing the image values, a comparator for comparing the image values with a toner modification value to determine if the pixel or pixels should be produced using a variably reduced toner output. The pixels are then preferably stored temporarily in an output buffer and then sent to a memory to be produced.
    • 分析优选地包含九个像素的像素矩阵,以确定像素矩阵中的像素的全部图像值是否对应于完全饱和度水平。 如果图像值确实对应于完全饱和度水平,则优选使用可变地减少的调色剂输出来产生中心像素。 如果所有图像值都不对应于饱和饱和度水平,则使用常规方法产生中心像素。 优选实施例的系统包括用于存储图像值的输入缓冲器,用于将图像值与调色剂修改值进行比较的比较器,以确定是否应使用可变减少的调色剂输出来产生像素或像素。 然后,像素优选临时存储在输出缓冲器中,然后发送到要产生的存储器。
    • 3. 发明授权
    • System to determine the color of ambient light for adjusting the
illumination characteristics of a display
    • 系统来确定环境光的颜色,以调节显示器的照明特性
    • US5726672A
    • 1998-03-10
    • US504450
    • 1995-07-20
    • Mathew W. HernandezRichard D. Cappels
    • Mathew W. HernandezRichard D. Cappels
    • G06F3/023G06F3/048G09G5/02H04N5/58G09G1/28
    • G09G5/02G06F3/04897H04N5/58
    • A system for correcting an output device for the effects of reflected ambient illumination comprises a reflection device of known reflectivity. The color display memory stores a first graphical interface and a second graphical interface. The first graphical interface displays a range of intensities of outputs that the display device can generate. The second graphical interface displays a range of hues that the display device can generate. The reflection device has a target surface which defines an aperture. The ambient light reflecting from the target surface is compared to the first graphical interface and to the second graphical interface by viewing the interfaces through the aperture. The system receives a first input of an intensity of the first graphical interface that appears to match the ambient illumination reflected from the reflection device; the system then receives a second input of a hue of the second graphical interface that appears to match the ambient illumination reflected from the reflection device. The system determines the intensity and hue of the ambient illumination reflected from the output device by matching the intensity and hue of the ambient illumination reflected from the reflection device with the output of the output device. The system then adjusts the outputs of the output device to compensate for the reflected ambient illumination.
    • 用于校正反射环境照明的效果的输出装置的系统包括已知反射率的反射装置。 彩色显示存储器存储第一图形界面和第二图形界面。 第一个图形界面显示显示设备可以产生的输出强度范围。 第二个图形界面显示显示设备可以生成的色调范围。 反射装置具有限定孔径的目标表面。 从目标表面反射的环境光与第一图形界面和第二图形界面相比较,通过观察通过孔径的界面。 该系统接收第一图形界面的强度的第一输入,该第一图形界面似乎与反射装置反射的环境照明相匹配; 系统然后接收第二图形界面的色调的第二输入,其显示为与反射设备反射的环境照明相匹配。 该系统通过将从反射装置反射的环境照明的强度和色调与输出装置的输出相匹配来确定从输出装置反射的环境照明的强度和色调。 然后系统调整输出设备的输出以补偿反射的环境照明。