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    • 2. 发明授权
    • Process for parallel operation of several computation units, especially
in image processing, and corresponding architecture
    • 多个计算单元并行运行的过程,特别是图像处理以及相应的架构
    • US5630156A
    • 1997-05-13
    • US324945
    • 1994-10-18
    • Gilles PrivatPatricia PlanetMarc Renaudin
    • Gilles PrivatPatricia PlanetMarc Renaudin
    • G06F15/16G06F15/80G06T1/20G06T1/40
    • G06F15/8023
    • Improved process for parallel operation of several computation units, especially in image processing, and corresponding architecture. Several computation units which are together intended to evaluate in an iterative and cellular manner the convergence values of a plurality of variables associated respectively with the various points of a predetermined grid each variable having to satisfy a prespecified iterative relation between itself and n neighbouring variables associated with n neighbouring grid points (P2-P5), a memory means is assigned per point of the grid, intended to store successively all the values of the variable associated with this grid point, the computation units are apportioned in such a way as to assign every grid point to a computation unit and two distinct computation units to two chosen neighbouring points of the grid, all the computation units are made to operate in parallel and independently of one another, and for each current point of the grid, the computation unit assigned to this current point is made to compute each successive value of the variable associated with this current point on the basis of the value contained in the memory means assigned to the current point and of those available and arising from the memory means assigned to the points neighbouring the current point, irrespective of the iteration levels to which these available values correspond, and the said computation unit is made to store each new value thus computed in the memory means associated with the current point.
    • 改进了几个计算单元并行运行的过程,特别是在图像处理和相应的架构中。 一些计算单元一起用于以迭代和蜂窝方式评估分别与预定网格的各个点相关联的多个变量的收敛值,每个变量必须满足其本身与相关联的n个相邻变量之间的预先指定的迭代关系 n个相邻网格点(P2-P5),每个网格点分配存储装置,用于连续存储与该网格点相关联的变量的所有值,计算单元以分配每个 网格指向计算单元,并将两个不同的计算单元指向网格的两个选定的相邻点,所有计算单元使彼此并行并且彼此独立地工作,并且对于网格的每个当前点,分配给 这个当前点是为了计算与该当前点相关联的变量的每个连续值 无论这些可用值对应的迭代级别如何,分配给当前点的存储器装置中包含的值以及分配给与当前点相邻的点的存储装置产生的值的基础,以及所述计算单元 用于存储在与当前点相关联的存储装置中计算的每个新值。
    • 3. 发明授权
    • Asynchronous circuit insensitive to delays with time delay insertion circuit
    • 异步电路对时延延迟插入电路不敏感
    • US08171330B2
    • 2012-05-01
    • US12453826
    • 2009-05-22
    • Marc RenaudinGhislain Bouesse
    • Marc RenaudinGhislain Bouesse
    • G06F1/08G06F1/04
    • H03K19/00346H03K5/133H03K19/00323H03K2005/00058H03K2005/00084
    • The asynchronous circuit insensitive to delays comprises at least one time delay insertion circuit on the propagation path of a signal. The delay insertion circuit comprises, between an input and an output of the signal, a Muller C-element and a plurality of delay circuits connected in series to an output of the Muller C-element. The outputs of the delay circuits are connected to corresponding inputs of a multiplexing circuit having an output constituting the output of the delay insertion circuit. The Muller C-element comprises an input connected to the output of the last delay circuit via an inverter gate, and an input constituting the input of the signal to the delay insertion circuit. The multiplexing circuit control circuit preferably comprises a random generator.
    • 对延迟不敏感的异步电路包括在信号的传播路径上的至少一个时间延迟插入电路。 延迟插入电路在信号的输入和输出之间包括与Muller C元件的输出串联连接的Muller C元件和多个延迟电路。 延迟电路的输出连接到具有构成延迟插入电路的输出的输出的复用电路的相应输入。 Muller C元件包括通过反相器门连接到最后延迟电路的输出的输入,以及构成向延迟插入电路输入信号的输入。 多路复用电路控制电路优选地包括随机发生器。
    • 6. 发明申请
    • Contactless Communications Method Based On Asynchronous Modulations And Demodulations
    • 基于异步调制和解调的非接触式通信方法
    • US20080214108A1
    • 2008-09-04
    • US11910621
    • 2006-04-10
    • Edith BeigneDamien CaucheteuxElisabeth CrochonMarc Renaudin
    • Edith BeigneDamien CaucheteuxElisabeth CrochonMarc Renaudin
    • H04B5/00
    • H04B5/0056
    • The invention relates to a method for exchanging information by inductive coupling or without contact between a reader (2) and a transponder (4), comprising a number of demodulation steps, by the transponder, of a transmission signal coming from the reader, each demodulation step being associated with: a detection of a jump of a parameter of the transmission signal, of a first state to a second state among a set of stable states that the parameter of the transmission signal is capable of adopting; a comparison of the magnitude of the jump and/or of the direction of the jump, at one or more predetermined threshold values; an association with the magnitude of the jump and/or with the direction of the jump, at a value independent of the first state, and; a detection of a stabilization at the second state before another demodulation. The invention also relates to a device for carrying out said method.
    • 本发明涉及一种通过感应耦合或不与读写器(2)之间的接触来交换信息的方法,包括由转发器发送的来自读取器的传输信号的多个解调步骤,每个解调 与发送信号的参数能够采用的一组稳定状态中检测到第一状态到第二状态的发送信号的参数的跳跃; 以一个或多个预定阈值比较跳跃的幅度和/或跳跃的方向; 与跳跃的大小和/或与跳跃的方向相关联的值与独立于第一状态的值相关联;以及 在另一个解调之前检测在第二状态下的稳定。 本发明还涉及一种用于执行所述方法的装置。