公开(公告)号：US4198592A

公开(公告)日：1980-04-15

申请号：US941870

申请日：1978-09-13

申请人： Tadayoshi Miyoshi ,  Shintaro Nakagaki ,  Itsuo Takanashi ,  Koichiro Motoyama ,  Sumio Yokokawa ,  Kenichi Miyazaki

发明人： Tadayoshi Miyoshi ,  Shintaro Nakagaki ,  Itsuo Takanashi ,  Koichiro Motoyama ,  Sumio Yokokawa ,  Kenichi Miyazaki

IPC分类号： H04N5/228 ,  H01J29/64 ,  H04N3/26 ,  H01J29/58

CPC分类号： H04N3/26

摘要： A circuit for stabilizing electron beam focusing is used for an electromagnetic focusing type camera tube having a high voltage generating circuit for supplying electrodes of the camera tube. A focusing current is supplied to an electron beam focusing coil of the camera tube. The focusing current supply circuit comprises an operational amplifier having an output terminal to which the focusing coil is connected. A detection resistor is connected between the focusing coil and an inverting input terminal of the operational amplifier. A first resistor is connected between the voltage source and a non-inverting input terminal of the operational amplifier. A second resistor is connected between a reference voltage source and the non-inverting input terminal of the operational amplifier.

摘要翻译： 用于稳定电子束聚焦的电路用于具有用于供应相机管的电极的高电压产生电路的电磁聚焦型照相机管。 聚焦电流被提供给照相机管的电子束聚焦线圈。 聚焦电流供应电路包括具有连接聚焦线圈的输出端的运算放大器。 检测电阻连接在聚焦线圈和运算放大器的反相输入端之间。 第一个电阻连接在运算放大器的电压源和非反相输入端之间。 第二电阻连接在运算放大器的参考电压源和非反相输入端之间。

公开(公告)号：US4360826A

公开(公告)日：1982-11-23

申请号：US230894

申请日：1981-02-02

申请人： Kenichi Miyazaki ,  Tadayoshi Miyoshi ,  Itsuo Takanashi ,  Shintaro Nakagaki ,  Koichiro Motoyama ,  Sumio Yokokawa ,  Hiroshi Ichimura

发明人： Kenichi Miyazaki ,  Tadayoshi Miyoshi ,  Itsuo Takanashi ,  Shintaro Nakagaki ,  Koichiro Motoyama ,  Sumio Yokokawa ,  Hiroshi Ichimura

IPC分类号： H04N9/07 ,  H04N9/06

CPC分类号： H04N9/07

摘要： An image pickup device comprises an image pickup tube provided with a striped filter which is a repetition of a plurality of stripes, and a pair of collimation forming electrodes which form a collimation, a voltage applying circuit for respectively applying predetermined voltages for forming the above collimation to the pair of collimation forming electrodes of the image pickup tube, and a correction voltage applying circuit for varying the collimation forming voltage ratio by applying a correction voltage to the pair of collimation forming electrodes, where correction voltage has a waveform such that the signal level ratios between the signals of the stripe parts of the striped filter in the color multiplexed signal obtained from the image pickup tube, are substantially constant.

摘要翻译： 图像拾取装置包括：图像拾取管，其设置有条纹滤波器，其是多个条纹的重复;以及一对准直形成电极，其形成准直;电压施加电路，分别施加用于形成上述准直的预定电压 以及用于通过对一对准直形成电极施加校正电压来改变准直形成电压比的校正电压施加电路，其中校正电压具有使得信号电平 从图像拾取管获得的彩色复用信号中的条纹滤波器的条形部分的信号之间的比率基本上是恒定的。

公开(公告)号：US4347529A

公开(公告)日：1982-08-31

申请号：US137417

申请日：1980-04-04

申请人： Itsuo Takanashi ,  Shintaro Nakagaki ,  Tadayoshi Miyoshi ,  Koichiro Motoyama ,  Kenichi Miyazaki ,  Sumio Yokokawa

发明人： Itsuo Takanashi ,  Shintaro Nakagaki ,  Tadayoshi Miyoshi ,  Koichiro Motoyama ,  Kenichi Miyazaki ,  Sumio Yokokawa

IPC分类号： G02B5/20 ,  H01L27/14 ,  H04N9/07 ,  H04N9/083

CPC分类号： H04N9/083

摘要： A color-resolving striped filter used for a camera tube comprises a plurality of groups of filter stripes. The groups are disposed in parallel and consecutively in a sequentially repeated arrangement. Each of the groups comprises six filter strips from among, a first filter stripe having a light transmission characteristic for transmitting the light of one of the three primary colors of an addition mixture color, a second filter stripe having a light transmission characteristic for transmitting the light of a mixed color which includes the primary color transmitted through said first filter stripe and one of the other two primary colors, a transparent third filter stripe for transmitting white light, and three fourth filter stripes each of which is disposed between and adjacent to the first, second, and third filter stripes. The six filter stripes of each group are arranged in parallel and consecutively in a specific sequence.

摘要翻译： 用于相机管的分色条纹滤色片包括多组过滤条纹。 这些组以顺序重复的布置并行布置。 每个组包括六个滤光条，第一滤光条，具有透光特性，用于透射加入混合色的三原色之一的光;第二滤光条，具有透光特性，用于透光 包括通过所述第一滤光条纹传播的原色和其它两种原色之一的混色，用于透射白光的透明第三滤光条，以及分别设置在第一和 ，第二和第三滤光片。 每个组的六个过滤条纹以特定顺序并行排列。

公开(公告)号：US4348617A

公开(公告)日：1982-09-07

申请号：US201735

申请日：1980-10-29

申请人： Kenichi Miyazaki ,  Tadayoshi Miyoshi ,  Itsuo Takanashi ,  Shintaro Nakagaki ,  Koichiro Motoyama ,  Sumio Yokokawa

发明人： Kenichi Miyazaki ,  Tadayoshi Miyoshi ,  Itsuo Takanashi ,  Shintaro Nakagaki ,  Koichiro Motoyama ,  Sumio Yokokawa

IPC分类号： H04N5/228 ,  H01J29/56

CPC分类号： H04N5/228

摘要： An image pickup device comprises an image pickup tube having a target scanned by an electron beam and a pair of electrodes which form a collimation, a voltage applying circuit for respectively applying predetermined voltages for forming the collimation to the collimation forming electrodes of the image pickup tube, and a correction voltage applying circuit for applying a correction voltage which varies the voltage ratio of the collimation forming electrodes to one of the collimation forming electrodes, upon scanning of the peripheral parts of an effective scanning surface of the target by the electron beam. The collimation is formed responsive to a voltage ratio of the voltages applied to each of the collimation forming electrodes and changed in response to the correction voltage.

摘要翻译： 图像拾取装置包括具有由电子束扫描的目标的图像拾取管和形成准直的一对电极，用于分别施加用于形成准直的预定电压的电压施加电路到图像拾取管的准直形成电极 以及校正电压施加电路，用于当通过电子束扫描靶的有效扫描表面的外围部分时，施加校正电压，该校正电压将准直形成电极的电压比改变成准直形成电极之一。 响应于施加到每个准直形成电极的电压的电压比而响应于校正电压而改变准直。

公开(公告)号：US4330797A

公开(公告)日：1982-05-18

申请号：US153937

申请日：1980-05-28

申请人： Sumio Yokokawa ,  Itsuo Takanashi ,  Tadayoshi Miyoshi ,  Shintaro Nakagaki ,  Koichiro Motoyama ,  Kenichi Miyazaki

发明人： Sumio Yokokawa ,  Itsuo Takanashi ,  Tadayoshi Miyoshi ,  Shintaro Nakagaki ,  Koichiro Motoyama ,  Kenichi Miyazaki

IPC分类号： H04N5/232 ,  H04N5/30

CPC分类号： H04N5/23293

摘要： A view-finder is used for a television camera which has an image pick-up device for picking up an image of an object responsive to incident light from the object. The television camera comprises an optical system for diverging a part of a light advancing from the object to the image pick-up device. The view-finder comprises a monochrome television picture receiving device which is supplied with an output signal of the image pick-up device and displays a monochrome picture image, and an optical system for composing the picture image of the monochrome television picture receiving device and an optical color image formed by the light diverged by the diverging optical system to form an optical image to be observed.

摘要翻译： 取景器用于具有响应于来自物体的入射光拾取物体的图像的图像拾取装置的电视摄像机。 电视摄像机包括用于将从物体前进的光的一部分发散到摄像装置的光学系统。 取景器包括单色电视图像接收装置，其被提供有图像拾取装置的输出信号并显示单色图像图像，以及用于构成单色电视图像接收装置的图像的光学系统和 由通过发散光学系统发散的光形成的光学彩色图像以形成要观察的光学图像。

公开(公告)号：US4277800A

公开(公告)日：1981-07-07

申请号：US129337

申请日：1980-03-11

申请人： Shintaro Nakagaki ,  Itsuo Takanashi ,  Koichiro Motoyama ,  Tadayoshi Miyoshi ,  Sumio Yokokawa ,  Kenichi Miyazaki

发明人： Shintaro Nakagaki ,  Itsuo Takanashi ,  Koichiro Motoyama ,  Tadayoshi Miyoshi ,  Sumio Yokokawa ,  Kenichi Miyazaki

IPC分类号： H04N9/04 ,  H04N9/07 ,  H04N9/083

CPC分类号： H04N9/07 ,  H04N9/083

摘要： A color television signal generating apparatus comprises a color-resolving striped filter, in a camera tube, for separating the output signal of the camera tube into required signals. The output of the camera tube is a superimposed signal comprising a direct wave signal containing signals of the three primary colors of said addition mixture color, and a high-band signal component comprising a group of modulated color signals resulting from an amplitude modulation of a carrier wave by the signals of two primary colors other than the primary color of the light transmitted through said first filter stripe, said carrier wave having a frequency equal to a space frequency determined by the number of said groups of filter stripes, and said carrier wave also having frequency components which are higher harmonics of the frequency of said carrier wave. The color television signal generating apparatus further comprises a first separation circuit for separating and deriving, out of the output signal of the camera tube, a fundamental wave component signal in which the carrier wave having the frequency equal to the space frequency is amplitude modulated, a second separation circuit for separating and deriving, out of the output signal of the camera tube, a second harmonics wave component signal in which a carrier wave having a frequency twice the space frequency is amplitude modulated, a multiplication circuit for multiplying the output signals of the first and second separation circuits, and a circuit for separating and deriving signals of two primary colors other than the primary color transmitted through the first filter stripe, responsive to the output signals of the multiplication means and the first separation circuit.

摘要翻译： 彩色电视信号发生装置包括在相机管中的分色条纹滤光器，用于将相机管的输出信号分离成所需信号。 相机管的输出是包括包含所述加法混合颜色的三原色的信号的直接波信号的叠加信号，以及包括由载波的幅度调制产生的一组调制的彩色信号的高频带信号分量 通过除了通过所述第一滤波器条纹的光的原色之外的两种原色的信号波，所述载波具有等于由所述滤波器条带组的数量确定的空间频率的频率，并且所述载波也 具有作为所述载波的频率的高次谐波的频率分量。 彩色电视信号发生装置还包括第一分离电路，用于分离和导出相机管的输出信号，其中具有等于空间频率的频率的载波被幅度调制的基波分量信号，a 第二分离电路，用于分离和导出相机管的输出信号中具有频率为空间频率的两倍的载波被调幅的二次谐波分量信号;乘法电路，用于将 第一分离电路和第二分离电路，以及用于分离和导出除了通过第一滤波器条带传输的原色之外的两种原色的信号的电路，其响应于乘法装置和第一分离电路的输出信号。

公开(公告)号：US4272779A

公开(公告)日：1981-06-09

申请号：US004721

申请日：1979-01-19

申请人： Shintaro Nakagaki ,  Itsuo Takanashi ,  Sumio Yokokawa ,  Tadayoshi Miyoshi ,  Koichiro Motoyama ,  Kenichi Miyazaki

发明人： Shintaro Nakagaki ,  Itsuo Takanashi ,  Sumio Yokokawa ,  Tadayoshi Miyoshi ,  Koichiro Motoyama ,  Kenichi Miyazaki

IPC分类号： H04N9/07 ,  H04N9/04

CPC分类号： H04N9/07

摘要： A signal processing circuit for a color television camera has filters supplied with a multiplex input signal. The direct wave signal includes a plurality of amplitude-modulated color component signals obtained from a camera tube of a color television camera. The tube filters the high-frequency components of the input signal. Detection and processing circuits detect the output signal of the high-pass filter and produce signals having restored DC components. The circuit provides gamma correction, white clipping, linear clipping, blanking signal mixing, or like signal processing with respect to the produced signal. A low-pass filter passes the input signal from the camera tube and filters the direct wave signal of the input signal. A processing circuit processes the output signals of the low-pass filter, and a matrix circuit matrixes the output signals of the detection and processing circuits to obtain three primary color signals. A color encoder provides a composite color video signal from the three primary color signals produced by the matrix circuit.

摘要翻译： 用于彩色电视摄像机的信号处理电路具有提供有复用输入信号的滤波器。 直接波信号包括从彩色电视摄像机的相机管获得的多个幅度调制色分量信号。 管过滤输入信号的高频分量。 检测和处理电路检测高通滤波器的输出信号并产生具有恢复的DC分量的信号。 该电路针对所产生的信号提供伽马校正，白削波，线性削波，消隐信号混合或类似的信号处理。 低通滤波器通过来自相机管的输入信号并对输入信号的直接波信号进行滤波。 处理电路处理低通滤波器的输出信号，并且矩阵电路对检测和处理电路的输出信号进行矩阵校准，以获得三原色信号。 彩色编码器提供由矩阵电路产生的三原色信号的复合彩色视频信号。

公开(公告)号：US4232331A

公开(公告)日：1980-11-04

申请号：US948253

申请日：1978-10-03

申请人： Koichiro Motoyama ,  Itsuo Takanashi ,  Tadayoshi Miyoshi ,  Shintaro Nakagaki ,  Sumio Yokokawa ,  Kenichi Miyazaki

发明人： Koichiro Motoyama ,  Itsuo Takanashi ,  Tadayoshi Miyoshi ,  Shintaro Nakagaki ,  Sumio Yokokawa ,  Kenichi Miyazaki

IPC分类号： H04N5/18 ,  H04N5/228 ,  H04N9/07 ,  H04N9/73 ,  H04N5/16

CPC分类号： H04N5/228

摘要： A circuit for stabilizing the black level in an output signal of a camera tube is employed in a color television camera. The camera tube has an optical filter with an optically black part extending in parallel with a beam scanning direction of the camera tube. The stabilizing circuit comprises a clamping circuit for clamping an output signal of the camera tube during a horizontal beam blanking period and for restoring a DC component of the output signal. A circuit responds to supplied sampling pulses during every vertical scanning period, for sampling and holding an output signal of the clamping circuit. A circuit feeds back a substantially negative holding voltage of the sampling and holding circuit, to the clamping circuit.

摘要翻译： 在彩色电视摄像机中采用用于稳定照相机管的输出信号中的黑电平的电路。 相机管具有光学黑色部分的光学滤光器，其与照相机管的光束扫描方向平行延伸。 稳定电路包括钳位电路，用于在水平波束消隐期间钳位相机管的输出信号，并用于恢复输出信号的直流分量。 一个电路在每个垂直扫描周期响应提供的采样脉冲，用于采样和保持钳位电路的输出信号。 电路将采样和保持电路的基本上负的保持电压反馈到钳位电路。

公开(公告)号：US4227208A

公开(公告)日：1980-10-07

申请号：US942283

申请日：1978-09-14

申请人： Itsuo Takanashi ,  Koichiro Motoyama ,  Tadayoshi Miyoshi ,  Shintaro Nakagaki ,  Sumio Yokokawa ,  Kenichi Miyazaki

发明人： Itsuo Takanashi ,  Koichiro Motoyama ,  Tadayoshi Miyoshi ,  Shintaro Nakagaki ,  Sumio Yokokawa ,  Kenichi Miyazaki

IPC分类号： G02B5/20 ,  G02B23/24 ,  G02B27/28 ,  G02B27/46 ,  H04N9/07 ,  H04N9/04

CPC分类号： H04N9/07 ,  G02B27/283 ,  G02B27/46

摘要： An optical comb filter has a plurality of optical comb filter elements disposed successively in the advancing direction of light. The optical comb filter characteristics attenuate and remove specific space frequencies which do not have mutual relationships of odd-number multiples and frequencies of the specific space frequencies. At least one phase plate is interposed between neighboring optical comb filter elements in front and rear positions with respect to the light advancing direction. The phase plate converts a light exiting from the front filter element into a light which is divided in the rear filter element into normal light and abnormal light, exiting with mutually equal light quantity. The normal and abnormal light enters, as incident light, the rear filter element.

摘要翻译： 光梳滤波器具有在光的前进方向上连续设置的多个光梳滤波器元件。 光梳滤波器特性衰减并去除不具有奇数倍和特定空间频率频率的相互关系的特定空间频率。 至少一个相位板相对于光进入方向插在相邻的光梳滤波器元件之间的前后位置。 相位板将从前部滤波器元件射出的光转换为在后部滤波器元件中被分成正常光线和异常光线的光，并以相等的光量退出。 正常和异常光作为入射光进入后过滤元件。

公开(公告)号：US4215364A

公开(公告)日：1980-07-29

申请号：US016092

申请日：1979-02-28

申请人： Itsuo Takanashi ,  Shintaro Nakagaki ,  Tadayoshi Miyoshi ,  Koichiro Motoyama ,  Kenichi Miyazaki ,  Sumio Yokokawa

发明人： Itsuo Takanashi ,  Shintaro Nakagaki ,  Tadayoshi Miyoshi ,  Koichiro Motoyama ,  Kenichi Miyazaki ,  Sumio Yokokawa

IPC分类号： H04N9/07

CPC分类号： H04N9/07

摘要： A color television camera has red filter stripes overlying wider blue filter stripes which in turn overlie a green filter layer. Frequency selective decoding circuitry is provided for separating the red, blue and green representative components of the camera signal.

摘要翻译： 彩色电视摄像机具有覆盖更宽的蓝色滤色器条纹的红色滤色器条纹，其又覆盖绿色滤色器层。 提供频率选择解码电路用于分离相机信号的红色，蓝色和绿色代表分量。