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    • 57. 发明授权
    • Method of information conversion and apparatus thereof
    • 信息转换方法及其装置
    • US5185617A
    • 1993-02-09
    • US633223
    • 1990-12-24
    • Itsuo TakanashiShintaro NakagakiIchiro NegishiTsutou Asakura
    • Itsuo TakanashiShintaro NakagakiIchiro NegishiTsutou Asakura
    • G02B26/10G02F1/03G02F1/13H04N9/31
    • H04N9/3129
    • A method of information conversion in which a recording medium is composed of a photoconductive member and a photo-modulation member both exhibiting a photoelectric effect and a dielectric mirror interposed therebetween, laminated to each other. An electro-magnetic radiation beam intensity-modulated with a serial information to be converted is radiated to the photoconductive member. The radiated beam is deflected straight along a surface of the photoconductive member to form a charge image composed of electric charges having an electric charge quantity corresponding to the information, as arranged in a straight line in a region on a border between the photoconductive member and dielectric mirror, corresponding to a region of the photoconductive member to which the beam is radiated. A two-dimensional bundle of electro-magnetic radiation beams of constant intensity and covering the region on the border is radiated to the recording medium at the photo-modulation member side thereof to take out a two-dimensional bundle of electro-magnetic radiation beams exhibiting intensity variation subjected to the charge image due to the photoelectric effect from the recording medium.
    • 一种信息转换方法,其中记录介质由感光体和光电效应两者之间介于其间的电介质镜组成。 将具有要转换的串行信息强度调制的电磁辐射束照射到感光体上。 辐射光束沿着感光体的表面直线偏转,以形成由具有与信息相对应的电荷量的电荷组成的电荷图像,其在感光体和电介质之间的边界上的区域中排列成直线 对应于光束辐射到的感光体的区域。 具有恒定强度并覆盖边界区域的二维电磁辐射束束在其光调制构件侧被辐射到记录介质,以取出呈现出二维束的电磁辐射束 由于来自记录介质的光电效应而受到充电图像的强度变化。
    • 58. 发明授权
    • Color television image pickup device with a stripe filter parallel to
scanning direction
    • 具有与扫描方向平行的条形滤波器的彩色电视图像拾取装置
    • US4757377A
    • 1988-07-12
    • US889687
    • 1986-07-23
    • Itsuo TakanashiShintaro NakagakiHiroshi IchimuraTakashi KuriyamaTsutou AsakuraHiroki Kitamura
    • Itsuo TakanashiShintaro NakagakiHiroshi IchimuraTakashi KuriyamaTsutou AsakuraHiroki Kitamura
    • H04N9/07H04N9/083
    • H04N9/07
    • A color image pickup device comprises an image pickup tube, a color stripe filter comprising a plurality of stripes, a circuit for obtaining a color multiplexed signal by sampling color information from the color stripe filter and multiplexing color components obtained by the sampling in a direction perpendicular to the scanning direction, and a circuit for producing a color demodulated signal by subjecting the color multiplexed signal to a color demodulation. The color stripe filter may be arranged on the image pickup tube so that a longitudinal direction of the stripes is approximately parallel to a scanning direction of the image pickup tube, and the sampling may be performed at sampling points which are deviated in the scanning direction for each scanning line. On the other hand, the color stripe filter may be arranged so that the scanning direction is inclined by a certain angle with respect to the longitudinal direction of the stripes so that an interval between two mutually adjacent sampling points on each scanning line along a direction approximately perpendicular to the scanning direction is within a repetition pitch of the scanning lines.
    • 一种彩色图像拾取装置,包括图像拾取管,包括多个条纹的彩色条带滤光器,用于通过从彩色条带滤光器中取样颜色信息来获得彩色多路复用信号的电路, 以及通过对彩色多路复用信号进行彩色解调来产生彩色解调信号的电路。 彩色条形滤光器可以布置在图像拾取管上,使得条纹的纵向近似平行于图像拾取管的扫描方向,并且可以在扫描方向上偏离的采样点进行采样, 每条扫描线。 另一方面,彩条滤光片可以布置成使得扫描方向相对于条的纵向方向倾斜一定角度,使得沿每个扫描线上的两个彼此相邻的采样点之间的间隔大致 垂直于扫描方向的扫描线在扫描线的重复间距内。