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    • 4. 发明授权
    • Optical connection device of a planar type
    • 平面型光连接器
    • US5235661A
    • 1993-08-10
    • US766259
    • 1991-09-27
    • Shigeru Kawai
    • Shigeru Kawai
    • G02B6/122G02B6/28G02B6/43
    • G02B6/43G02B6/122G02B6/2808G02B6/2817G02B6/2848
    • In an optical connection device for use in responding to an incident light beam to produce a plurality of output light beams, the incident light beam is incident onto a planar substrate on which a plurality of optical islands which have refraction coefficients different from the planar substrate. The incident light beam travels as an internal light beam within the planar substrate with reflections repeated in the planar substrate and is emitted as output light beams through the optical islands when the internal light beam arrives at the optical islands. Thus, the incident light beam is distributed through the optical islands outside of the planar substrate. If each of optical nodes is located in vicinity of the optical islands and generates the input light beam and receives each of the output light beams, bidirectional communication can be carried out through the planar substrate and the optical islands among the optical nodes.
    • 在用于响应于入射光束以产生多个输出光束的光学连接装置中,入射光束入射到具有不同于平面基板的折射系数的多个光岛的平面基板上。 入射光束作为内部光束在平面基板内传播,其中在平面基板中重复反射,并且当内部光束到达光岛时作为输出光束通过光岛发射。 因此,入射光束通过平面基板外的光岛分布。 如果每个光学节点位于光岛附近,并且产生输入光束并且接收每个输出光束,则可以通过光学节点中的平面基板和光岛进行双向通信。
    • 6. 发明授权
    • Optical neural net trainable in rapid time
    • 光学神经网在快速时间训练
    • US5063531A
    • 1991-11-05
    • US399185
    • 1989-08-28
    • Shigeru KawaiKeiichi Kubota
    • Shigeru KawaiKeiichi Kubota
    • G06N3/067
    • G06N3/0675
    • Among light emitting and sensitive element pairs arranged along rows and columns of a matrix in each of first and second layers of an optical computer operable as a neural network with one-to-one correspondence kept between the pairs in the first layer and the pairs in the second layer, the light emitting elements and the light sensitive elements are connected along the rows in the first layer and along the columns in the second layer. Optical intensity controlling elements of a panel are placed in optical paths defined by the pairs in the first layer and the pairs which correspond in the second layer to the pairs of the first layer, respectively. When the light emitting element rows are driven, optical beams are emitted by the light emitting elements of the first layer and controlled by the respective controlling elements to have first-layer controlled amounts of light, respectively. In response to the controlled amounts of light, the light sensitive element columns of the second layer produce second-layer output signals. It is possible to use the second-layer output signals in controlling the controlling elements and thereby to train the optical computer. If desired, the light emitting element columns of the second layer are driven by the second-layer output signals to make the light sensitive element rows of the first layer produce first-layer output signals and to use the first-layer output signals in controlling the controlling elements.
    • 在光学计算机的第一和第二层的每一个中的矩阵的行和列中布置的发光和敏感元件对中,可操作为神经网络,其中保持第一层中的对之间的一对一对应, 第二层,发光元件和感光元件沿着第一层中的行并且沿着第二层中的列连接。 面板的光强度控制元件被放置在由第一层中的对和由第二层中对应的成对构成的光路中,分别对应于第一层的对。 当驱动发光元件行时,光束由第一层的发光元件发射并由各个控制元件控制,分别具有第一层受控量的光。 响应于受控量的光,第二层的光敏元件列产生第二层输出信号。 可以在控制控制元件中使用第二层输出信号,从而训练光学计算机。 如果需要,第二层的发光元件列由第二层​​输出信号驱动,使得第一层的光敏元件行产生第一层输出信号,并使用第一层输出信号来控制 控制元素。