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1. 发明授权

US4736242A Transitory scanning speed phase compensation using luminance edge detection 失效
标题翻译：使用亮度边缘检测的瞬态扫描速度相位补偿
公开(公告)号：US4736242A
公开(公告)日：1988-04-05
申请号：US784867
申请日：1985-10-04
申请人： Itsuo Takanashi , Shintaro Nakagaki , Ichiro Negishi , Hiroshi Ichimura , Takashi Kuriyama
发明人： Itsuo Takanashi , Shintaro Nakagaki , Ichiro Negishi , Hiroshi Ichimura , Takashi Kuriyama
IPC分类号： H04N5/30 , H04N9/07 , H04N9/077
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。

2. 发明授权

US4916528A Color stripe filter in color image pickup apparatus 失效
标题翻译：彩色图像拾取装置中的彩条条滤波器
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.

3. 发明授权

US4811088A Color video camera apparatus providing correction of light intensity-dependent phase errors in color multiplex carrier signal 失效
标题翻译：彩色摄像机装置提供彩色多路载波信号中光强相关相位误差的校正
公开(公告)号：US4811088A
公开(公告)日：1989-03-07
申请号：US72495
申请日：1987-07-13
申请人： Ichiro Negishi , Shintaro Nakagaki , Hiroshi Ichimura
发明人： Ichiro Negishi , Shintaro Nakagaki , Hiroshi Ichimura
IPC分类号： H04N9/07 , H04N9/083
CPC分类号： H04N9/07
摘要： A single tube color video camera apparatus having a camera tube including a color separation stripe filter and producing an output signal containing a color multiplex carrier signal, utilizes an envelope detector for directly detecting the camera tube output signal to produce an envelope detection signal which varies in accordance with an electrical charge pattern of the tube target. Phase control of the color multiplex carrier signal extracted from the camera tube output signal is executed based upon the envelope detection signal, to thereby correct for color signal phase deviations caused by variations in light intensity of scenes viewed by the camera.
摘要翻译：一种单管彩色摄像机装置，具有包括分色条形滤光器的相机管，并产生包含彩色多路载波信号的输出信号，利用包络检测器直接检测相机管输出信号，产生包络检测信号，根据管靶的电荷模式。基于包络检测信号执行从相机管输出信号提取的彩色多路载波信号的相位控制，从而校正由相机观看的场景的光强度的变化引起的颜色信号相位偏差。

4. 发明授权

US4857995A Color imaging apparatus including control system for stabilizing phase and frequency of a video signal carrier frequency 失效
标题翻译：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
申请人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Ichiro Negishi , Masaru Osada
发明人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Ichiro Negishi , Masaru Osada
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。

5. 发明授权

US4855816A Color imaging apparatus including phase control system for maintaining start positions of scanning lines equal to start positions of reference values thereof 失效
标题翻译：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
申请人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Ichiro Negishi , Masaru Osada
发明人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Ichiro Negishi , Masaru Osada
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。

6. 发明授权

US4620221A Color imaging apparatus with compensation for beam deflection nonlinearity 失效
标题翻译：彩色成像装置补偿光束偏转非线性
公开(公告)号：US4620221A
公开(公告)日：1986-10-28
申请号：US582226
申请日：1984-02-21
申请人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Takashi Kuriyama , Ichiro Negishi
发明人： Itsuo Takanashi , Shintaro Nakagaki , Hiroshi Ichimura , Takashi Kuriyama , Ichiro Negishi
IPC分类号： H04N9/07 , H04N9/077 , H04N9/083
CPC分类号： H04N9/077 , H04N9/07
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。

7. 发明授权

US5250939A Drive apparatus for optical element array 失效
标题翻译：光学元件阵列驱动装置
公开(公告)号：US5250939A
公开(公告)日：1993-10-05
申请号：US787867
申请日：1991-11-05
申请人： Itsuo Takanashi , Shintaro Nakagaki , Ichiro Negishi , Tetsuji Suzuki , Fujiko Tatsumi , Ryusaku Takahashi , Keiichi Maeno , Tsuyoshi Yoshimura
发明人： Itsuo Takanashi , Shintaro Nakagaki , Ichiro Negishi , Tetsuji Suzuki , Fujiko Tatsumi , Ryusaku Takahashi , Keiichi Maeno , Tsuyoshi Yoshimura
IPC分类号： G06K15/12 , G09G3/00
CPC分类号： G06K15/1247
摘要： A drive apparatus for an optical element array includes a counter counting clock pulses and being periodically reset at a horizontal scanning period. The counter outputs first and second counter signals out of phase with each other. A latch holds a pixel-corresponding segment of an input image signal. One of clock signals out of phase with each other is selected in response to the pixel-corresponding input-signal segment held by the latch. A first comparator compares the first counter signal and the pixel-corresponding input-signal segment held by the latch, and outputs a first identity signal when the first counter signal and the pixel-corresponding input-signal segment are equal to each other. A second comparator compares the second counter signal and the pixel-corresponding input-signal segment held by the latch, and outputs a second identity signal when the second counter signal and the pixel-corresponding input-signal segment are equal to each other. A drive pulse is generated which starts in synchronism with a start of a horizontal scanning period and which ends in response to the selected clock signal and in response to the first and second identity signals. An optical element in the array is driven in response to the drive pulse.

8. 发明授权

US5264951A Spatial light modulator system 失效
标题翻译：空间光调制器系统
公开(公告)号：US5264951A
公开(公告)日：1993-11-23
申请号：US980121
申请日：1992-11-23
申请人： Itsuo Takanashi , Shintaro Nakagaki , Ichiro Negishi , Ryusaku Takahashi , Tetsuji Suzuki , Fujiko Tatsumi , Keiichi Maeno
发明人： Itsuo Takanashi , Shintaro Nakagaki , Ichiro Negishi , Ryusaku Takahashi , Tetsuji Suzuki , Fujiko Tatsumi , Keiichi Maeno
IPC分类号： G02F1/1347 , G02F1/135 , H04N9/31 , G02F1/03 , G03B21/14
CPC分类号： H04N9/3102 , G02F1/13473 , G02F1/135
摘要： There is provided an optical system for a spatial light modulator. The system comprises a light source for emitting an unpolarized light, a separator for separating a first linearly polarized light having a specified plane of polarization from the unpolarized light and polarizer for rotating the plane of polarization of the first linearly polarized light at a specified angle different from the specified angle to obtain a second linearly polarized light, wherein the second linearly polarized light is adopted as a reading light. Also provided is a method of photomodulation, comprising the steps of separating a light in the region of a specified wavelength from an unpolarized light, separating a first linearly polarized light having a specified plane of polarization from the light and obtaining a second linearly polarized light by rotating the plane of polarization of the first linearly polarized light at a specified angle.
摘要翻译：提供了一种用于空间光调制器的光学系统。该系统包括用于发射非偏振光的光源，用于从非偏振光和偏振器分离具有指定偏振光的第一线偏振光的分离器，用于将第一线性偏振光的偏振平面旋转到指定角度从指定角度获得第二线偏振光，其中采用第二线偏振光作为读取光。还提供了一种光调制方法，包括以下步骤：将特定波长区域中的光与非偏振光分离，将具有指定偏振面的第一直线偏振光与光分离，并通过以下步骤获得第二线偏振光：使第一直线偏振光的偏振面以特定的角度旋转。

9. 发明授权

US5191408A Color imaging system with selectively openable optical shutter 失效
标题翻译：具有选择性OPENNABLE OPTICAL SHUTTER的彩色成像系统
公开(公告)号：US5191408A
公开(公告)日：1993-03-02
申请号：US662665
申请日：1991-02-28
申请人： Itsuo Takanashi , Shintaro Nakagaki , Tsutou Asakura , Masato Furuya , Yoshihisa Koyama , Yuji Uchiyama , Ichiro Negishi , Tetsuji Suzuki , Fujiko Tatsumi , Ryusaku Takahashi , Keiichi Maeno
发明人： Itsuo Takanashi , Shintaro Nakagaki , Tsutou Asakura , Masato Furuya , Yoshihisa Koyama , Yuji Uchiyama , Ichiro Negishi , Tetsuji Suzuki , Fujiko Tatsumi , Ryusaku Takahashi , Keiichi Maeno
IPC分类号： G03G15/22 , H04N5/30
CPC分类号： G03G15/221 , H04N5/30 , G03G15/0435
摘要： A color imaging system for use as an electronic still camera, for example, includes a color separator for separating the optical image of a subject from a lens into a plurality of different color images, an optical shutter selectively openable for transmitting the optical image of the subject to the color separator, a photoconductive layer for converting the different color images into respective electric charge images, and an information recording medium for recording images corresponding to the electric charge images under an electric field developed between the photoconductive layer and the information recording medium. The timing with which the optical shutter is opened and the timing with which the electric field is generated by the power supply, are controlled by a control unit depending on imaging conditions selected by the user. The color imaging system also has an optical viewfinder for allowing the user to visually observe the optical image of the subject introduced by the lens.

10. 发明授权

US5185617A Method of information conversion and apparatus thereof 失效
标题翻译：信息转换方法及其装置
公开(公告)号：US5185617A
公开(公告)日：1993-02-09
申请号：US633223
申请日：1990-12-24
申请人： Itsuo Takanashi , Shintaro Nakagaki , Ichiro Negishi , Tsutou Asakura
发明人： Itsuo Takanashi , Shintaro Nakagaki , Ichiro Negishi , Tsutou Asakura
IPC分类号： G02B26/10 , G02F1/03 , G02F1/13 , H04N9/31
CPC分类号： H04N9/3129
摘要： 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.
摘要翻译：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。

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