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31 条记录 (耗时 0.015 秒)

    Video camera having a video signal processing apparatus
    12.
    发明授权
    Video camera having a video signal processing apparatus 失效
    具有视频信号处理装置的摄像机

    公开(公告)号：US5221963A

    公开(公告)日：1993-06-22

    申请号：US677140

    申请日：1991-03-29

    申请人： Nobuo Hashimoto ,  Hiroaki Kubo ,  Yuuichi Kunisaki ,  Yoshito Konishi

    发明人： Nobuo Hashimoto ,  Hiroaki Kubo ,  Yuuichi Kunisaki ,  Yoshito Konishi

    IPC分类号： H04N5/20 ,  H04N5/235 ,  H04N5/243

    CPC分类号： H04N5/243 ,  H04N5/20 ,  H04N5/2351 ,  H04N5/2352

    摘要： A video camera comprising a taking lens, an image taking circuit which generates a video signal by receiving a light having passed through the taking lens, a knee correction circuit which compresses a video signal generated by the image taking circuit and having a level as high as or higher than a predetermined level, a detection circuit which detects a luminance distribution condition of a field, a pedestal adjusting circuit which adjusts a black level of the video signal generated by the image taking circuit and a control circuit which changes a compression method of a video signal in the knee correction circuit and an adjusting method of the black level in the pedestal adjusting circuit according to a luminance distribution condition of a field detected by the detection circuit. According to the present invention, it is possible to perform various controls in response to a luminance condition of a field.

    摘要翻译： 一种摄像机，包括拍摄镜头，通过接收通过拍摄镜头的光产生视频信号的摄像电路，压缩由摄像电路产生的视频信号并具有高达 或高于预定电平的检测电路，检测场的亮度分布状态的检测电路，调整由摄像电路产生的视频信号的黑电平的基座调整电路和改变图像压缩方法的控制电路 根据由检测电路检测出的场的亮度分布条件，对基准调整电路中的黑电平的调整方法进行修正。 根据本发明，可以响应于场的亮度条件执行各种控制。

    Method of measuring a profile of an object and an apparatus for carrying out the method
    16.
    发明授权
    Method of measuring a profile of an object and an apparatus for carrying out the method 失效
    测量对象轮廓的方法和实现方法的装置

    公开(公告)号：US5062297A

    公开(公告)日：1991-11-05

    申请号：US378991

    申请日：1989-07-12

    申请人： Nobuo Hashimoto ,  Kunioki Suzuki ,  Teruaki Saijo

    发明人： Nobuo Hashimoto ,  Kunioki Suzuki ,  Teruaki Saijo

    IPC分类号： G01B17/06

    CPC分类号： G01B17/06

    摘要： A method of measuring a profile of an object wherein an ultrasonic wave is radiated from an ultrasonic transducer toward an object supported by a supporting member in the water filled in a water tank, and a wave reflected at the surface of the object is detected by the transducer, and an apparatus for carrying out the method. A traversing device moves the transducer sequentially to a plurality of measurement points on an arc equidistant from a predetermined rotational center while opposing the transducer to the predetermined rotational center. A supporting device moves the supporting member relative to the transducer and sets the object in the predetermined position under water. A control device delivers a drive signal to the traversing device to move the transducer sequentially to the measurement points, causes the transducer to radiate an ultrasonic wave when the transducer is in each of the measurement points, calculates a distance between the transducer and the surface of the object in accordance with a difference between the time the transducer radiates the ultrasonic wave and the time transducer receives the wave reflected at the surface of the object, calculates coordinates of each of the measurement points, and coordinates of the surface of the object corresponding to each of the measurement points from the calculated distance, and obtains the profile of the object from the calculated coordinates of the surface of the object at each of the measurement points.

    Fluid mixing element
    17.
    发明授权
    Fluid mixing element 失效
    流体混合元件

    公开(公告)号：US4884894A

    公开(公告)日：1989-12-05

    申请号：US311369

    申请日：1989-02-14

    申请人： Nobuo Hashimoto ,  Hideo Ishii ,  Kenji Tanahashi ,  Kenji Ohno ,  Kiichi Ohno

    发明人： Nobuo Hashimoto ,  Hideo Ishii ,  Kenji Tanahashi ,  Kenji Ohno ,  Kiichi Ohno

    IPC分类号： B01F5/00 ,  B01F5/06

    CPC分类号： B01F5/0656

    摘要： Diclosed are a fluid mixing element in which at least one helical shaft provided with at least one helical groove on an outer peripheral wall thereof throughtout its length is inserted in a cylindrical passage tube provided with at least one helical groove on an inner peripheral wall thereof throughout its length.According to the mixing element of the present invention, the fluid supplied into the mixing element flows partly along the helical groove formed in the passage tube and partly along the helical groove formed on the helical shaft to produce the turbulent mixing of the fluid in the mixing element. When the fluid flows through the helical grooves formed in the passage tube and on the helical shaft of the mixing element, the phase transfer is also carried out at planes perpendicular to the flow direction by inertia of the fluid. Accordingly, the fluid in contact with the helical grooves and the fluid out of contact therewith are replaced with each other in series. The mixing is further effected by division of the fluid in series at each of many contact portions of the passage tube and the helical shaft.As a result, the fluid mixing efficiency can be improved. The number of the mixing elements is therefore reduciable, when the plural mixing elements are connected to each other to form the mixer, and in addition, the time required for mixing in the mixer is also reducible.

    摘要翻译： 密闭式是一种流体混合元件，其中至少一个螺旋轴在其外周壁上至少有一个螺旋槽穿过其长度被插入到一个圆柱形通道管中，圆柱形通道管在其内周壁上设有至少一个螺旋槽 它的长度。 根据本发明的混合元件，供给到混合元件中的流体部分地沿着形成在通道管中的螺旋槽流动，部分地沿着形成在螺旋轴上的螺旋槽流动，以在混合中产生紊流混合 元件。 当流体流过形成在通道管中的螺旋槽和混合元件的螺旋轴时，相位转移也通过流体的惯性在与流动方向垂直的平面处进行。 因此，与螺旋槽接触的流体和与其不接触的流体被相互替换。 进一步通过在通道管和螺旋轴的许多接触部分中的每一个处分离流体来进行混合。 结果，可以提高流体混合效率。 因此，当多个混合元件彼此连接以形成混合器时，可以减少混合元件的数量，此外，混合器中混合所需的时间也可以减少。