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    • 4. 发明授权
    • Projection display apparatus and control method therefor
    • 投影显示装置及其控制方法
    • US09201293B2
    • 2015-12-01
    • US13813878
    • 2010-08-19
    • Yukinori ShioyaHiroki TanakaKenji KanzakaMichio Kobayashi
    • Yukinori ShioyaHiroki TanakaKenji KanzakaMichio Kobayashi
    • G03B21/14G03B21/20H04N9/31
    • G03B21/14G03B21/2053H04N9/3155
    • A projection display apparatus includes: a display element that displays an image; a lamp that illuminates the display element to cause the display element to emit an image light; a variable light intensity element that allows the light emitted from the lamp to pass therethrough, the intensity of light passing through the variable light intensity element being variable; and a light intensity controller that determines whether the display element is at an image mute state in which a full-black image is displayed, or at a normal lighting state other than the image mute state, and when the display element is at the image mute state, reduces the amount of power supplied to the lamp to a level that is lower than that of the normal lighting state to decrease the intensity of light emitted from the lamp, and also decreases the intensity of light that passes through the variable light intensity element.
    • 投影显示装置包括:显示图像的显示元件; 照亮显示元件以使显示元件发出图像光的灯; 允许从灯发出的光通过的可变光强度元件,穿过可变光强度元件的光的强度是可变的; 以及光强度控制器,其确定显示元件是否处于显示全黑色图像的图像静音状态,或者处于除图像静音状态之外的正常点亮状态,以及当显示元件处于图像静音时 状态,将提供给灯的功率量降低到低于正常点亮状态的水平,以降低从灯发出的光的强度,并且还降低通过可变光强度元件的光的强度 。
    • 6. 发明申请
    • PROJECTION DISPLAY APPARATUS AND CONTROL METHOD THEREFOR
    • 投影显示装置及其控制方法
    • US20130128241A1
    • 2013-05-23
    • US13813878
    • 2010-08-19
    • Yukinori ShioyaHiroki TanakaKenji KanzakaMichio Kobayashi
    • Yukinori ShioyaHiroki TanakaKenji KanzakaMichio Kobayashi
    • G03B21/14
    • G03B21/14G03B21/2053H04N9/3155
    • A projection display apparatus includes: a display element that displays an image; a lamp that illuminates the display element to cause the display element to emit an image light; a variable light intensity element that allows the light emitted from the lamp to pass therethrough, the intensity of light passing through the variable light intensity element being variable; and a light intensity controller that determines whether the display element is at an image mute state in which a full-black image is displayed, or at a normal lighting state other than the image mute state, and when the display element is at the image mute state, reduces the amount of power supplied to the lamp to a level that is lower than that of the normal lighting state to decrease the intensity of light emitted from the lamp, and also decreases the intensity of light that passes through the variable light intensity element.
    • 投影显示装置包括:显示图像的显示元件; 照亮显示元件以使显示元件发出图像光的灯; 允许从灯发出的光通过的可变光强度元件,穿过可变光强度元件的光的强度是可变的; 以及光强度控制器,其确定显示元件是否处于显示全黑色图像的图像静音状态,或者处于除图像静音状态之外的正常点亮状态,以及当显示元件处于图像静音时 状态,将提供给灯的功率量降低到低于正常点亮状态的水平,以降低从灯发出的光的强度,并且还降低通过可变光强度元件的光的强度 。
    • 8. 发明授权
    • Picture quality improvement device and picture quality improvement method
    • 图像质量改进装置和图像质量改进方法
    • US07518660B2
    • 2009-04-14
    • US11272783
    • 2005-11-15
    • Michio KobayashiEifu Nezu
    • Michio KobayashiEifu Nezu
    • H04N5/21
    • H04N5/208
    • A field delay circuit aligns the phases of two field signals. An average value calculation circuit generates an average value signal of the two field signals. This average value signal can be regarded as a signal that has undergone a one-dimensional low-pass filter process in the row direction in which the number of taps for a progressive signal is 2 and the filter coefficient for each tap is 0.5 and that has then been thinned to one-half the data. A two-dimensional LPF circuit subjects this average value signal to a low-pass filter process and eliminates the high-frequency components (edge components). A subtraction circuit subtracts the average value signal that has undergone the LPF process from each field signal and thus extracts the edge components of each field signal. An amplification circuit multiplies the edge components of each field signal by a prescribed factor. An addition circuit adds the resulting amplified edge components to each field signal.
    • 场延迟电路对准两个场信号的相位。 平均值计算电路产生两个场信号的平均值信号。 该平均值信号可以被认为是在行方向上进行了一维低通滤波处理的信号,其中逐行信号的抽头数为2,并且每个抽头的滤波器系数为0.5,并且具有 然后被稀释为数据的一半。 二维LPF电路将该平均值信号作为低通滤波处理,并消除高频分量(边缘分量)。 减法电路从每个场信号中减去经过LPF处理的平均值信号,从而提取每个场信号的边缘分量。 放大电路将每个场信号的边缘分量乘以规定的因子。 加法电路将所产生的放大的边缘分量加到每个场信号上。
    • 9. 发明申请
    • Characteristic automatic compensating apparatus, characteristic automatic compensating method, characteristic automatic compensating program of oscillator and positioning signal receiver
    • 特征自动补偿装置,特征自动补偿方法,振荡器和定位信号接收机的特征自动补偿程序
    • US20070035344A1
    • 2007-02-15
    • US10547058
    • 2004-02-19
    • Michio Kobayashi
    • Michio Kobayashi
    • H03L7/02H03L1/04
    • H03L1/026G01S19/235H03J2200/11
    • In an oscillator having a constant characteristic between a physical amount and adrift value of an oscillating frequency, a change in the characteristic is adaptively corrected and the drift value of the oscillating frequency is always made to be able to be predicted. A characteristic automatic compensating apparatus including a reference oscillator 17 for outputting an oscillating signal an oscillating frequency of which depends on a temperature, TCO 16 for detecting the temperature of the reference oscillator 17, characteristic determining means for measuring a drift value of the oscillating frequency of the reference oscillator 17 while changing the temperature and for previously determining a coefficient of an approximated equation representing a temperature frequency characteristic of the temperature detected by TCO 16 and the drift value of the oscillating frequency of the reference oscillator 17, a memory 13 for storing the coefficient of the approximated equation determined by the characteristic determining means, drift value predicting means for predicting the drift value of the oscillating frequency of the reference oscillator 17 based on the temperature detected by TCO 16, and characteristic updating means for updating the coefficient of the approximated equation determined by the characteristic determining means by the measured drift value of the oscillating frequency of the reference oscillator 17 and the temperature detected by TCO 16 at a time point of the detection.
    • 在具有振荡频率的物理量和漂移值之间的恒定特性的振荡器中,自适应地校正特性的变化,并且总是能够预测振荡频率的漂移值。 一种特征自动补偿装置,包括用于输出振荡信号的基准振荡器17,其振荡频率取决于温度,用于检测参考振荡器17的温度的TCO 16,用于测量基准振荡器17的振荡频率的漂移值的特性确定装置 参考振荡器17同时改变温度并预先确定表示由TCO 16检测的温度的温度频率特性的近似方程的系数和参考振荡器17的振荡频率的漂移值,存储器13 由特征确定装置确定的近似方程式的系数,用于基于由TCO 16检测的温度来预测参考振荡器17的振荡频率的漂移值的漂移值预测装置,以及用于更新系数的特性更新装置 由基准振荡器17的振荡频率的测量漂移值和由检测的时间点由TCO 16检测的温度由特性确定装置确定的近似方程。