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1.发明授权Color television image pickup device with a stripe filter parallel to scanning direction 失效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
公开(公告)号：US4757377A
公开(公告)日：1988-07-12
申请号：US889687
申请日：1986-07-23
申请人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Takashi Kuriyama , Tsutou Asakura , Hiroki Kitamura
发明人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Takashi Kuriyama , Tsutou Asakura , Hiroki Kitamura
CPC分类号： H04N9/07
摘要： 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.
摘要翻译： 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。
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2.发明授权Color television image pickup device with a stripe filter parallel to scanning direction 失效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
公开(公告)号：US4757376A
公开(公告)日：1988-07-12
申请号：US875349
申请日：1986-06-17
申请人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Takashi Kuriyama , Tsutou Asakura , Hiroki Kitamura
发明人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Takashi Kuriyama , Tsutou Asakura , Hiroki Kitamura
CPC分类号： H04N9/077
摘要： A color image pickup device comprises an image pickup tube, a color stripe filter comprising a plurality of stripe groups each having a plurality of stripes, and a circuit for obtaining a color multiplexed signal by multiplexing color components obtained via the color stripe filter in a direction perpendicular to the scanning direction for every one stripe group. The color stripe filter is arranged on the image pickup tube so that a longitudinal direction of the stripes of the color stripe filter is substantially parallel to a scanning direction of the image pickup tube. A color demodulated signal and/or a luminance signal are/is produced from the color multiplexed signal.
摘要翻译： 一种彩色图像拾取装置，包括图像拾取管，彩色条带滤光器，其包括多个条纹组，每个条纹组具有多个条纹;以及电路，用于通过将经由彩色条带滤光器获得的颜色分量多路复用， 垂直于每个条纹组的扫描方向。 彩色条形滤光器被布置在图像拾取管上，使得条形滤色器的条纹的纵向方向基本上平行于图像拾取管的扫描方向。 从彩色多路复用信号产生彩色解调信号和/或亮度信号。
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3.发明授权Color television image pickup device with a stripe filter parallel to scanning direction 失效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
公开(公告)号：US4757375A
公开(公告)日：1988-07-12
申请号：US875348
申请日：1986-06-17
CPC分类号： H04N9/077
摘要： 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 multiplexing color components obtained via the color stripe filter in a direction perpendicular to a scanning direction of the image pickup tube, and a circuit for producing a color demodulated signal by subjecting the color multiplexed signal to a color demodulation. The color stripe filter is arranged on the image pickup tube so that a longitudinal direction of the stripes thereof is substantially parallel to the scanning direction.
摘要翻译： 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，用于通过在与图像的扫描方向垂直的方向上经由彩色条带滤光器获得的颜色分量多路复用来获得彩色多路复用信号的电路 拾取管，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。 彩色条形滤光器布置在图像拾取管上，使得条纹的纵向方向基本上平行于扫描方向。
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4.发明授权
公开(公告)号：US4620221A
公开(公告)日：1986-10-28
申请号：US582226
申请日：1984-02-21
摘要： In a single-tube color imaging apparatus, the pickup tube includes a photoelectrical conversion target and a filter having recurrent groups of different color stripes through which an optical image is passed to the target. The target is scanned by an electron beam to produce a video signal having a frequency inversely proportional to the intervals at which the recurrent groups are arranged. The video signal varies in phase with the relative values of primary color components contained in the image passing through the stripes of each group and in amplitude with the intensity of the primary color components. Prior to normal operation, the target is uniformly illuminated with light of a predetermined color to generate a reference video signal, which is stored in a field memory. During normal operation, the reference signal is repeatedly read out of the memory and compared by frequency and phase comparators with the video signal from the target. Frequency and phase control circuitry responds to the outputs of the comparators by controlling the frequency and phase relationships between the two signals so that they match in frequency and phase before being applied to synchronous detectors.
摘要翻译： 在单管彩色成像装置中，拾取管包括光电转换目标和具有不同颜色条纹的复现组的滤光器，通过该组不同的光学图像被传送到目标。 目标被电子束扫描以产生具有与布置循环组的间隔成反比的频率的视频信号。 视频信号与通过每组的条纹的图像中包含的原色分量的相对值和基本颜色分量的强度的振幅相位变化。 在正常操作之前，用预定颜色的光均匀地照射目标，以产生存储在场存储器中的参考视频信号。 在正常操作期间，参考信号被重复读出存储器，并由频率和相位比较器与来自目标的视频信号进行比较。 频率和相位控制电路通过控制两个信号之间的频率和相位关系来响应比较器的输出，使得它们在施加到同步检测器之前在频率和相位上匹配。
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5.发明授权Color imaging apparatus with closed-loop control means for producing color signal frequency and phase control signals from a reference color signal and two reference index signals stored in a memory 失效具有闭环控制装置的彩色成像装置，用于从参考颜色信号和存储在存储器中的两个参考索引信号产生彩色信号频率和相位控制信号
公开(公告)号：US4736243A
公开(公告)日：1988-04-05
申请号：US790455
申请日：1985-10-23
CPC分类号： H04N9/077
摘要： In a color imaging apparatus, an optical image is focused on a photoelectrical conversion target of a color image pickup tube through a color stripe filter and converted to an electrostatic image, the latter being scanned line-by-line in rectangular raster form by an electron beam to generate a color multiplexed video signal. First and second index stripe electrodes are located adjacent to edges of the raster area to be scanned at the beginning of each field and at the beginning of each line. A memory is provided to store field and line index signals generated by the index electrodes as well as a reference video signal generated by the target illuminated with light of a predetermined color. During normal viewing operations, the stored signals are retrieved from the memory for frequency and phase comparison with signals generated by the index electrodes and the target to control the phase relationship between the retrieved reference video signal with the color-multiplexed video signal to effect synchronous detection therebetween at proper timing to produce primary color signals. The retrieved index signals prevent the loss of proper timing when the target is dimly illuminated.
摘要翻译： 在彩色成像装置中，光学图像通过彩色条带滤光器聚焦在彩色图像拾取管的光电转换目标上，并转换为静电图像，后者通过电子以矩形光栅形式逐行扫描 以产生彩色多路复用视频信号。 第一和第二索引条状电极位于每个场的开始处和每行的开始处邻近待扫描的光栅区域的边缘。 提供存储器以存储由索引电极产生的场和线索引信号以及由预定颜色的光照射的目标产生的参考视频信号。 在正常观看操作期间，从存储器检索所存储的信号，以便与索引电极和目标产生的信号进行频率和相位比较，以控制检索到的参考视频信号与彩色复用视频信号之间的相位关系，以实现同步检测 在适当的定时产生原色信号。 检索到的索引信号防止当目标昏暗照明时适当的定时丢失。
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6.发明授权
公开(公告)号：US4736242A
公开(公告)日：1988-04-05
申请号：US784867
申请日：1985-10-04
CPC分类号： H04N9/07
摘要： In a color imaging apparatus, an optical image is focused on a photoelectrical conversion target of a color image pickup tube through a color stripe filter having a plurality of successively arranged recurrent groups of different color stripes and converted to an electrostatic image which is scanned in rectangular raster form by an electron beam to generate a luminance signal and a color-multiplexed video signal. The leading and trailing edges of the luminance signal are detected by an edge detector to generate a control signal having first and second polarities in response to the detection of the leading and trailing edges, respectively. The color multiplexed signal is phase-controlled with respect to the leading and trailing edges of the luminance signal in accordance with the control signal by a variable delay line or by a pair of beam deflection plates.
摘要翻译： 在彩色成像装置中，光学图像通过具有多个连续布置的不同颜色条纹的反复组合的彩色条带滤光器聚焦在彩色图像拾取管的光电转换目标上，并转换成静止图像，该静电图像以矩形扫描 通过电子束形成光栅形成亮度信号和彩色复用视频信号。 亮度信号的前沿和后沿由边缘检测器检测，以分别响应于前沿和后沿的检测而产生具有第一和第二极性的控制信号。 彩色复用信号根据控制信号通过可变延迟线或一对光束偏转板相对于亮度信号的前沿和后沿进行相位控制。
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7.发明授权Color imaging apparatus having a 1:2 frequency ratio between video and reference signals for high S/N color demodulation 失效具有用于高S / N彩色解调的视频和参考信号之间的1:2频率比的彩色成像装置
公开(公告)号：US4691227A
公开(公告)日：1987-09-01
申请号：US783538
申请日：1985-10-03
IPC分类号： H04N9/07
CPC分类号： H04N9/07
摘要： In a single-tube color image pickup apparatus, an optical image is passed through a color stripe filter having recurrent groups of different color stripes to a photoelectrical conversion target, which is scanned by an electron beam to generate a video signal comprising a carrier having a frequency inversely proportional to the intervals at which the recurrent groups of filter strips are arranged. The carrier is modulated in phase with the stripes of each group and in amplitude with the intensity of the optical image. Prior to operation, the target is uniformly illuminated with light of a predetermined color to generate the carrier, which is stored into a field memory. During operation the memory is repeatedly addressed to generate a reference signal. The frequency of the reference signal is converted so that the video signal and the frequency-converted reference signal have a frequency ratio of 1:2 and an opposite phase relationship therebetween. A color demodulator receives these signals to derive a pair of color component signals for coupling to a matrix circuit to which a luminance component is also applied.
摘要翻译： 在单管彩色图像拾取装置中，光学图像通过具有不同颜色条纹的不同组的彩色条形滤光片到光电转换目标，该光电转换目标被电子束扫描以产生视频信号，该视频信号包括具有 频率与滤波器条的反复组排列的间隔成反比。 载波与各组的条带相位调制，并以幅度与光学图像的强度进行调制。 在操作之前，目标被预定颜色的光均匀地照亮，以产生存储在场存储器中的载体。 在操作期间，重复寻址存储器以产生参考信号。 参考信号的频率被转换，使得视频信号和频率转换的参考信号具有1：2的频率比和它们之间相反的相位关系。 颜色解调器接收这些信号以导出一对颜色分量信号，用于耦合到也施加亮度分量的矩阵电路。
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8.发明授权Color imaging apparatus including control system for stabilizing phase and frequency of a video signal carrier frequency 失效彩色成像装置包括用于稳定视频信号载波频率的相位和频率的控制系统
公开(公告)号：US4857995A
公开(公告)日：1989-08-15
申请号：US108988
申请日：1987-10-14
IPC分类号： H04N9/077
CPC分类号： H04N9/077
摘要： A color filter has a plurality of succesively arranged recurrent groups of different color stripes. An image pickup tube has a photoelectrical conversion target exposed to light passing through the color filter and an index signal generation pattern. The image pickup tube outputs a signal containing a color signal component determined by a carrier which is modulated with the individual color stripes of each recurrent group of the color filter. The output signal from the image pickup tube also contains an index signal component which depends on the index pattern. A first memory holds at least part of the index signal component. The index signal component held by the memory is periodically updated. A second memory holds a portion of the output signal from the image pickup tube which was obtained under conditions where a predetermined color light illuminates the photoelectrical conversion target via the color filter. A reference signal is generated in accordance with the index signal component read from the first memory and with the signal portion read from the second memory. A color signal is detected from the output signal of the image pickup tube by use of the reference signal.
摘要翻译： 滤色器具有多个不同颜色条纹的连续布置的反复组合。 图像拾取管具有暴露于通过滤色器的光的光电转换目标和索引信号产生模式。 图像拾取管输出包含由通过滤色器的每个复现组的各个色条调制的载体确定的颜色信号分量的信号。 来自图像拾取管的输出信号还包含取决于索引图案的索引信号分量。 第一存储器保持索引信号分量的至少一部分。 由存储器保持的索引信号分量被周期性地更新。 第二存储器保持来自图像拾取管的输出信号的一部分，其在预定的颜色光通过滤色器照射光电转换目标的条件下获得。 根据从第一存储器读取的索引信号分量和从第二存储器读取的信号部分生成参考信号。 通过使用参考信号从图像拾取管的输出信号检测彩色信号。
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9.发明授权Color imaging apparatus including phase control system for maintaining start positions of scanning lines equal to start positions of reference values thereof 失效彩色成像装置包括用于将扫描线的起始位置保持在等于其参考值的开始位置的相位控制系统
公开(公告)号：US4855816A
公开(公告)日：1989-08-08
申请号：US137926
申请日：1987-12-28
IPC分类号： H04N9/077
CPC分类号： H04N9/077
摘要： A color filter has recurrent groups of different color stripes. An image pickup tube has a photoelectrical conversion target exposed to light passing through the color filter and an index signal generation pattern. The image pickup tube outputs a signal containing a color signal component and an index signal component which depends on the index pattern. The index signal component has a phase representing a present start position of each scanning line. A memory holds a portion of the output signal from the image pickup tube corresponding to an initial frame period which occurs under conditions where a predetermined color light is applied to the photoelectrical conversion target via the color filter. A reference signal reflects a signal read out from the memory. A color component is detected from the output signal of the image pickup tube by use of the reference signal. The reference signal contains an index signal component which has a phase representing a start position of each scanning line during the initial frame period. A closed-loop phase control system allows the present start position of each scanning line to remain essentially equal to the start position of the corresponding scanning line during the initial frame period. A phase or level shifter is interposed in a loop of the closed-loop phase control system.
摘要翻译： 彩色滤光片具有不同颜色条纹的反复组合。 图像拾取管具有暴露于通过滤色器的光的光电转换目标和索引信号产生模式。 图像拾取管输出包含依赖于索引图案的颜色信号分量和索引信号分量的信号。 索引信号分量具有表示每条扫描线的当前开始位置的相位。 存储器保持来自图像拾取管的输出信号的一部分对应于在通过滤色器将预定的色光施加到光电转换目标的条件下发生的初始帧周期。 参考信号反映从存储器读出的信号。 通过使用参考信号从图像拾取管的输出信号检测颜色分量。 参考信号包含索引信号分量，其具有表示在初始帧周期期间的每个扫描线的开始位置的相位。 闭环相位控制系统允许每个扫描线的当前开始位置在初始帧周期期间基本上等于相应扫描线的起始位置。 相位或电平移位器插入闭环相位控制系统的环路中。
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公开(公告)号：US4916528A
公开(公告)日：1990-04-10
申请号：US291202
申请日：1988-12-28
申请人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Ichiro Negishi , Masaru Osada , Wataru Katase , Kaoru Kitami
发明人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Ichiro Negishi , Masaru Osada , Wataru Katase , Kaoru Kitami
IPC分类号： H04N9/04
CPC分类号： H04N9/04
摘要： A color separation stripe filter in a color image pickup apparatus in which a color image is focused on a photo-electric conversion target through the filter to be converted to an electrostatic image so as to generate a color multiplexed signal. The filter comprises a plurality of recurrent groups of three different color stripes successively arranged at periodic intervals. The first color stripe has a characteristic showing a peak transmission factor in a red color region, the second color stripe has a characteristic showing a peak transmission factor in a green color region which is substantially equal to the peak transmission factor of the first color stripe, and the third color stripe has a characteristic showing a negative peak transmission factor at a wavelength between 500 nm and 530 nm so as to produce first and second peak transmission factors in a blue region and said green region. The first peak transmission factor is substantially equal to each of the peak transmission factors of the first and second color stripes and the second peak transmission factor existing in the green color region to be 50% to 80% of each of the peak transmission factors of the first and second color stripes, a curve of the characteristic of the third color stripe in the green region being substantially similar in configuration to that of the second color stripe.
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