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    • 2. 发明授权
    • Method and system for displaying selected portions of a motion video
image
    • 用于显示运动视频图像的所选部分的方法和系统
    • US5532833A
    • 1996-07-02
    • US240803
    • 1994-05-11
    • Jung-Kook HongToyohisa KanekoJunichi Takahashi
    • Jung-Kook HongToyohisa KanekoJunichi Takahashi
    • G06F17/30G11B17/00G11B27/10G11B27/11G11B27/28H04N7/173H04N7/26H04N5/76
    • G06F17/30858G11B17/005G11B27/105G11B27/11G11B27/28H04N19/142H04N19/179H04N19/87H04N7/17318G11B2220/20G11B2220/2587
    • A method for storing and managing motion video image information for retrieving scenes of interest in a short time from a many-hour motion video image stored in a recording medium. As motion video image information for managing and retrieving a motion video image, a whole motion video image R is hierarchically divided into frame sequences A, A1, A11 . . . of shorter time according to the construction and the semantic contents thereof, and logical frame structure data representing the hierarchical relationship of the frame sequences, attribute data At of the frame sequences, and still video images rf of representative frames are generated, which are associated with each other to create a data file. Retrieval of a motion video image is performed by extracting frame sequences using the attribute data and logical frame structure as retrieval keys for the data file of the motion video image information, and confirming the contents using the still video image rf of the representative frames. Any scene can be randomly accessed and associated scenes can also be retrieved easily, and thus a motion video image of interest can quickly be retrieved from a many-hour motion video image.
    • 一种用于存储和管理运动视频图像信息的方法,用于从存储在记录介质中的多小时运动视频图像在短时间内检索感兴趣的场景。 作为用于管理和检索运动视频图像的运动视频图像信息,整个运动视频图像R被分层划分成帧序列A,A1,A11。 。 。 根据构造和其语义内容缩短时间,并且生成表示帧序列的分层关系,帧序列的属性数据At和代表帧的静止视频图像rf的逻辑帧结构数据,其与 互相创建一个数据文件。 通过使用属性数据和逻辑帧结构提取帧序列作为运动视频图像信息的数据文件的检索键,并使用代表帧的静止视频图像rf来确认内容来执行运动视频图像的检索。 可以随机访问任何场景,并且也可以容易地检索相关联的场景,因此可以从许多小时的动态视频图像中快速检索感兴趣的运动视频图像。
    • 5. 发明授权
    • Receiver and receiving method of the receiver
    • 接收机的接收和接收方法
    • US08301208B2
    • 2012-10-30
    • US12472741
    • 2009-05-27
    • Yusaku KatsubeMasaaki YamadaJunichi Takahashi
    • Yusaku KatsubeMasaaki YamadaJunichi Takahashi
    • H04M1/00H04B1/38
    • H04L27/3854H04L7/041H04L27/0014
    • The receiver includes a low noise amplifier, a local signal generator, a first mixer, a second mixer, a first amplifier, a second amplifier, a first A/D converter, a second A/D converter, and a signal level detection unit. A detection signal from at least one terminal of the first A/D converter is supplied to an input terminal of the signal level detection unit, thereby generating a reception start signal from the output terminal. Before an RF reception signal is received, a first signal processing unit containing the first mixer, the first amplifier, and the first A/D converter is controlled to an active state, and a second signal processing unit containing the second mixer, the second amplifier, and the second A/D converter is controlled to a low power consumption state. After the RF reception signal is received, the second signal processing unit is controlled to the active state.
    • 接收机包括低噪声放大器,本地信号发生器,第一混频器,第二混频器,第一放大器,第二放大器,第一A / D转换器,第二A / D转换器和信号电平检测单元。 来自第一A / D转换器的至少一个端子的检测信号被提供给信号电平检测单元的输入端,从而从输出端产生接收开始信号。 在接收到RF接收信号之前,将包含第一混频器,第一放大器和第一A / D转换器的第一信号处理单元控制为有效状态,以及包含第二混频器的第二信号处理单元,第二放大器 并且第二A / D转换器被控制到低功耗状态。 在RF接收信号被接收之后,第二信号处理单元被控制到活动状态。
    • 9. 发明申请
    • POLYMER CLAD OPTICAL FIBER
    • 聚合物光纤
    • US20090196560A1
    • 2009-08-06
    • US12439376
    • 2008-03-14
    • Kenji OkadaJunichi Takahashi
    • Kenji OkadaJunichi Takahashi
    • G02B6/036
    • G02B6/02033G02B6/03605G02B6/03627G02B6/03633
    • A polymer clad optical fiber is provided in which, if the diameter of an inner core is taken as a1, and the diameter of an outer core is taken as a2, and if a ratio X (which=a22/a12) between a cross-sectional area of the inner core and a cross-sectional area of the outer core is within a range of 1.8≦X≦2.2, and if a relative refractive index difference between the inner core and the outer core is taken as Δ1, and if a relative refractive index difference between the outer core and a cladding is taken as Δ2, then for a parameter Y which is defined as Y=Δ1/Δ2, when a high temperature is taken as Ymax and a low temperature is taken as Ymin, a relationship is established in which, when X is within a range of 1.8≦X≦2.0, then 0.25≦Ymin≦0.84X−0.68, and Ymax is 0.25≦Ymax≦0.84X−0.68, and, when X is within a range of 2.0≦X≦2.2, Ymin is 0.48X−0.71≦Ymin≦−2/9X+13/9, and Ymax is 0.48X−0.71≦Ymax≦−2/9X+13/9.
    • 提供一种聚合物包覆光纤,其中如果将内芯的直径取为a1,将外芯的直径作为a2,并且如果将内芯的直径作为a的比例X(= a22 / a12) 内芯的截面面积和外芯的横截面面积在1.8 <= X <= 2.2的范围内,并且如果将内芯和外芯之间的相对折射率差作为Delta1,并且 如果将外芯和包层之间的相对折射率差作为Δ2,则对于定义为Y = Delta1 / Delta2的参数Y,当将高温作为Ymax,将低温作为Ymin时, 建立了当X在1.8 <= X <= 2.0的范围内时,0.25 <= Ymin <= 0.84X-0.68,Ymax为0.25 <= Ymax <= 0.84×-0.68的关系, 当X在2.0 <= X <= 2.2的范围内时,Ymin为0.48X-0.71 <= Ymin <= - 2 / 9X + 13/9,Ymax为0.48X-0.71 <= Ymax <= -2 / 9X + 13/9。