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    • 81. 发明申请
    • Image electric projector and image displaying method
    • 图像投影机和图像显示方法
    • US20070247707A1
    • 2007-10-25
    • US11730544
    • 2007-04-02
    • Atsushi MichimoriJunichi AizawaTomohiro SasagawaHiroaki Sugiura
    • Atsushi MichimoriJunichi AizawaTomohiro SasagawaHiroaki Sugiura
    • G03B21/56
    • G03B21/56
    • An image display projector and a method of displaying images are provided so as to enable reducing the occurrence of scintillation. The image display projector comprises: an optical engine for emitting light according to an inputted imaging signal; a Fresnel lens disposed to receive the light emitted from the optical engine, for emitting the incident light as collimated one; a diffusion member, placed in a position frontal to the Fresnel lens in the light-traveling direction, for emitting diffused light, by diffusing the collimated light emitted from the Fresnel lens; and a drive unit for moving either the Fresnel lens or the diffusion member, along a predetermined track (orbit), in a plane parallel to either the one from which the collimated light is emitted or the one from which the diffused light is emitted. And then, the moving velocity of either the Fresnel lens or the diffusion member is at any moment larger than zero in any direction within the parallel plane.
    • 提供图像显示投影仪和显示图像的方法,以便能够减少闪烁的发生。 图像显示投影仪包括:根据输入的成像信号发光的光学引擎; 菲涅耳透镜,设置成接收从光学引擎发射的光,用于将入射光发射为准直的; 扩散构件,通过使从菲涅尔透镜发射的准直光扩散,放置在光行进方向上与菲涅尔透镜相对的位置,用于发射漫射光; 以及驱动单元,用于沿与预定轨迹(轨道)平行的平面中的任何一个或多个发射有扩散光的菲尼尔透镜或漫射构件的驱动单元。 然后,菲涅尔透镜或漫射构件的移动速度在平行平面内的任何方向上都大于零。
    • 84. 发明申请
    • Color conversion device and color conversion mehtod
    • 颜色转换装置和颜色转换mehtod
    • US20050185840A1
    • 2005-08-25
    • US11109685
    • 2005-04-20
    • Hiroaki SugiuraShuichi Kagawa
    • Hiroaki SugiuraShuichi Kagawa
    • H04N1/60G06K9/00G06T1/00G06T11/00H04N1/46H04N1/62
    • H04N1/6016G06T11/001H04N1/46H04N1/6075
    • Responsive to image data of three colors, six hue data are obtained, and then first comparison-result data and second-order terms each relating to one of the six hues, and second comparison-result data each relating to one of the six inter-hue areas are obtained. Matrix calculation is performed on the first comparison-result data, the second comparison-result data, and the second-order terms, using coefficients. By varying the coefficients, adjustment can be made to only the target hue or inter-hue area, without affecting other hues and inter-hue areas. Thus, the six hues and six inter-hue areas can be varied independently, and the large-capacity memory is not required. In addition, gray scale conversion is applied to the result of the matrix calculation, so as to compensate for the non-linearity of the output device.
    • 响应于三种颜色的图像数据,获得六个色调数据,然后获得与六种色调中的一种相关的第一比较结果数据和二阶项,以及与六个色相之一相关的第二比较结果数据, 获得色相面积。 使用系数对第一比较结果数据,第二比较结果数据和二阶项执行矩阵计算。 通过改变系数,只能调整目标色相或色间区域,而不会影响其他色调和色间区域。 因此,六个色调和六个色间区域可以独立变化,不需要大容量记忆。 另外,对矩阵运算的结果应用灰度转换,以补偿输出装置的非线性。
    • 87. 发明授权
    • Fingerprint sensor and fingerprint recognition system
    • 指纹传感器和指纹识别系统
    • US06891962B1
    • 2005-05-10
    • US09392294
    • 1999-09-08
    • Tetsuya KunoHiroaki Sugiura
    • Tetsuya KunoHiroaki Sugiura
    • G06K9/00
    • G06K9/00046
    • A fingerprint sensor used for a fingerprint recognition system comprises a first prism or prism array including a first surface which a human finger is placed and a second surface; a lamp for irradiating the finger with light; a second prism or prism array for refracting the light which is reflected from the finger and subsequently passes through the second surface in such a way that the light refracted by the second prism or prism array travels along a path closer to a normal to the first surface of the first optical component than a path of light without refraction by the second prism or prism array; and an image sensor for receiving the light refracted by the second prism or prism array and converting fingerprint information for the finger into an electric signal.
    • 用于指纹识别系统的指纹传感器包括:第一棱镜或棱镜阵列,包括放置人的手指的第一表面和第二表面; 用于用光照射手指的灯; 用于折射从手指反射的光并随后穿过第二表面的第二棱镜或棱镜阵列,使得由第二棱镜或棱镜阵列折射的光沿着更靠近第一表面法线的路径行进 的第一光学部件比不通过第二棱镜或棱镜阵列折射的光路径; 以及图像传感器,用于接收由第二棱镜阵列折射的光并将手指的指纹信息转换为电信号。
    • 89. 发明授权
    • Image display performing color reproduction using color filters
    • 使用滤色片进行彩色再现的图像显示
    • US06674489B1
    • 2004-01-06
    • US09369310
    • 1999-08-06
    • Shuichi KagawaHiroaki SugiuraKohei TeramotoShinsuke ShikamaYoshiteru Suzuki
    • Shuichi KagawaHiroaki SugiuraKohei TeramotoShinsuke ShikamaYoshiteru Suzuki
    • H04N912
    • H04N9/3158G02B5/20G02B26/008H04N9/3114
    • In an image display which reproduces a color image by using lights color-separated into four or more colors through color filters, the objects of the invention are to effectively utilize the energy of light from a light source and to reduce the effect that a slight shift of the spectral transmittance characteristics of the color filters exerts on the spectral distributions of the lights after color separated. In an image display having a light source and four or more kinds of color filters and for color-separating light emitted from the light source into four or more colors through the four or more kinds of color filters and reproducing a color image by using the color-separated lights, the spectral transmittance characteristics of the color filters are set so that the cutoff wavelengths of the four or more kinds of color filters exist in a wavelength region in which the spectral distributions obtained by multiplying the spectral emissivity characteristic of the light emitted from the light source by the color matching functions are smaller than the values obtained by multiplying the average values of the spectral distributions in the wavelength region from 380 to 780 nm by an integer.
    • 在通过使用通过滤色器分色为四种或更多种颜色的光再现彩色图像的图像显示器中,本发明的目的是有效地利用来自光源的光的能量,并且减少轻微偏移的影响 滤色器的光谱透射率特性对颜色分离后的光的光谱分布施加。 在具有光源和四种或更多种滤色器的图像显示器中,并且通过四种或更多种滤色器将从光源发射的光分色成四种或更多种颜色,并通过使用颜色再现彩色图像 分离的光,滤色器的光谱透射率特性被设定为使得四种或更多种滤色器的截止波长存在于通过将从...发射的光的光谱发射率特性相乘得到的光谱分布 通过颜色匹配功能的光源比通过将380至780nm的波长区域中的光谱分布的平均值乘以整数而获得的值小。