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    • 2. 发明授权
    • Navigation display apparatus for collison avoidance utilizing polygonal
safety regions and predicted danger areas
    • 使用多边形安全区域和预测危险区域的导航显示装置,用于避免碰撞
    • US5515287A
    • 1996-05-07
    • US397794
    • 1995-03-03
    • Tadashige HakoyamaYoshio KatoSatoki MaedaHideo YamaguchiOsamu Yagi
    • Tadashige HakoyamaYoshio KatoSatoki MaedaHideo YamaguchiOsamu Yagi
    • B63H25/00B63B43/20B63H25/04G01S7/04G01S7/22G01S7/24G01S13/93G05D1/00G08G3/02
    • G08G3/02G01S13/9307G01S7/22G01S7/24
    • A navigation supporting display apparatus makes it easy for an operator of ship to navigate with a safe passing distance between own ship and a target by indicating an exact danger area between own ship and the target ship. The apparatus has a collision point calculator which calculates a possible collision point of each of the vertexes of a polygonal safe passing region set around own ship, and the target ship, from a relative position of the target ship, a velocity vector of the target ship and a velocity of own ship. The apparatus has an own-ship-mapping-position calculator which calculates a position at which own ship would be located when each of the vertexes places on the collision point, and defines the position as a own-ship-mapping-position. The apparatus further has a danger area calculator which determines lines joining own-ship-mapping-positions corresponding to the collision points with each other to define a danger area. The relation between connected own-ship-mapping-positions and the own-ship-mapping-positions are output to a display device, and the display device displays the area defined by the lines joining own-ship-mapping-positions as a danger area together with the position and the vector of own ship and the position of the target ship.
    • 导航辅助显示装置通过指示本船和目标船舶之间的确切危险区域,使船舶操作者能够轻松地以本船和目标之间的安全距离进行导航。 该装置具有碰撞点计算器,该目标船舶的目标船舶的目标船舶的相对位置计算目标船舶的速度矢量,其中,所述碰撞点计算器计算在其船舶周围设置的多边形安全通过区域的每个顶点的可能碰撞点, 和自己的船的速度。 该装置具有自身映射位置计算器,当每个顶点放置在碰撞点上时,其计算自己的船将位于该位置的位置,并将该位置定义为自身船舶映射位置。 该装置还具有危险区域计算器,该危险区域计算器确定将与碰撞点相对应的自身船舶映射位置彼此相关联的线,以定义危险区域。 将连接的自身映射位置与自身映射位置之间的关系输出到显示装置,并且显示装置将由加入自身映射位置的线定义的区域显示为危险区域 连同自己的船的位置和载体以及目标船的位置。
    • 5. 发明授权
    • High speed variable length decoding processor
    • 高速可变长度解码处理器
    • US06459391B1
    • 2002-10-01
    • US09482704
    • 2000-01-13
    • Osamu Yagi
    • Osamu Yagi
    • H03M740
    • H03M7/40H04N19/60H04N19/91
    • A general-purpose processor performs high-speed variable-length decoding. The general-purpose processor includes a video data register for exclusively storing the variable-length code that stores data having a length larger than the maximum length of the variable code to be decoded. The general-purpose processor also includes a data counter register for exclusively storing the length of the data in the video data register which has not been decoded, as well as a pointer register for exclusively storing the address of the variable-length code to be read out next from a bit stream stored in memory. The general-purpose processor also includes an ALU for performing general purpose operations, and decodes the variable-length code stored in the video data register by controlling the video data register, the data counter register, and the pointer register.
    • 通用处理器执行高速可变长度解码。 通用处理器包括用于专门存储可变长度代码的视频数据寄存器,该可变长度代码存储长度大于要解码的可变代码的最大长度的数据。 通用处理器还包括一个数据计数器寄存器,用于专门存储未被解码的视频数据寄存器中的数据长度,以及用于专门存储要读取的可变长度代码的地址的指针寄存器 从存储在存储器中的位流开始。 通用处理器还包括用于执行通用操作的ALU,并通过控制视频数据寄存器,数据计数器寄存器和指针寄存器对存储在视频数据寄存器中的可变长度代码进行解码。
    • 8. 发明授权
    • Signal processing apparatus
    • 信号处理装置
    • US5671015A
    • 1997-09-23
    • US982969
    • 1992-11-30
    • Osamu YagiKenji Tanaka
    • Osamu YagiKenji Tanaka
    • H04N5/16H04N5/235H04N5/335H04N5/341H04N5/365H04N5/369H04N5/372H04N5/378H04N5/217H04N5/238
    • H04N5/16H04N5/2352
    • A signal processing apparatus includes a first loop circuit for adjusting gains of a plurality of variable gain amplifiers to which signals output from a charge-coupled device (CCD) imager of multiple-channel reading type are applied, a control circuit for driving and controlling an iris in accordance with output signals from the plurality of variable gain amplifiers, a second loop circuit for adjusting levels of pilot signals to be superimposed upon the output signals of the CCD imager at a desired level, respectively, a third loop circuit for controlling levels of the pilot signals which are superimposed upon the output signals of the CCD imager so as to be coincident with each other, and a control unit for controlling the first loop circuit and the control circuit, the second loop circuit, and the third loop circuit so that they are operated in a time-division fashion.
    • 一种信号处理装置,包括:第一环路电路,用于调整从多路读取型的电荷耦合器件(CCD)成像器输出的信号的多个可变增益放大器的增益;用于驱动和控制 根据来自多个可变增益放大器的输出信号的虹膜,第二环路电路,用于分别调整要叠加在CCD成像器的输出信号上的导频信号的电平,所述第三环路电路用于控制 所述导频信号叠加在CCD成像器的输出信号上以彼此一致;以及控制单元,用于控制第一环路和控制电路,第二环路电路和第三环路电路,使得 他们是以时下的方式运作的。
    • 9. 发明授权
    • Carrier level balancing circuit for color camera
    • 彩色摄像机载波电平平衡电路
    • US5387931A
    • 1995-02-07
    • US50652
    • 1993-04-22
    • Osamu YagiToru Wakagi
    • Osamu YagiToru Wakagi
    • H04N5/57H04N9/04H04N9/07H04N9/68H04N9/73H04N9/64
    • H04N9/045H04N9/735
    • A carrier level balancing circuit in which a color aliasing signal occurring when a cameraman takes a picture of an object of an achromatic (black and white) color can be canceled completely. In a carrier level balancing circuit for a color camera formed of a CCD solid state image pickup device of an all pixel separately read out system, two-channel color signals output from the CCD solid state image pickup device are multiplied with independent balance coefficients at every line by multipliers while the balance coefficients are switched in a dot-sequential fashion. Also, values of these balance coefficients are set by a coefficient setting circuit in response to color temperature information. Thus, the carrier levels can be balanced over a range of color temperatures.
    • 载体电平平衡电路,其中可以完全消除当摄影师拍摄无色(黑白)颜色的对象的图像时发生的颜色混叠信号。 在由全部像素分离读出系统的CCD固态图像拾取装置构成的彩色照相机的载波电平平衡电路中,从CCD固态图像拾取装置输出的双通道彩色信号在每个 以平顺系数以点顺序的方式切换。 此外,这些平衡系数的值由系数设定电路根据色温信息设定。 因此,载体水平可以在一定范围的色温上平衡。