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公开(公告)号：US07391806B2
公开(公告)日：2008-06-24
申请号：US10450447
申请日：2001-12-27
Applicant: Didier Lattard , Didier Varreau , Bernard Piaget , Marc Laugeois
Inventor： Didier Lattard , Didier Varreau , Bernard Piaget , Marc Laugeois
IPC: H04L5/16
CPC classification number: H04B1/707 , H04B1/7075 , H04J13/004
Abstract: The invention relates to a device for exchanging digital data between several sources and at least one hub in a CDMA system, characterized in that it comprises a number n of digital transmission/reception circuits (1) installed in parallel, each circuit (1) comprising a transmitter (2i) comprising means of generating an integer number Nc of codes that will be used for spectral spreading of data to be transmitted and a receiver (4i) comprising means (46, 48) of detecting the access of new sources to the CDMA system transmission channel and means (49) of generating synchronization signals and power control signals corresponding to each detected new source.
Abstract translation: 本发明涉及一种用于在CDMA系统中的数个源和至少一个集线器之间交换数字数据的装置，其特征在于，它包括数个并行安装的数字发送/接收电路（1），每个电路（1）包括 包括用于生成将用于要发送的数据的频谱扩展的代码的整数N N个代码的装置的发送器（2＆lt; i＆gt; i）和接收器（4
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2.发明授权Parallel architecture digital filter and spread spectrum signal receiver using such a filter 失效并联架构数字滤波器和扩频信号接收机采用这种滤波器公开(公告)号：US07058119B1
公开(公告)日：2006-06-06
申请号：US09831166
申请日：1999-11-08
Applicant: Sebastien Leveque , Norbert Daniele , Didier Lattard , Bernard Piaget
Inventor： Sebastien Leveque , Norbert Daniele , Didier Lattard , Bernard Piaget
CPC classification number: H03H17/06 , H03H17/0254 , H04J13/0022
Abstract: This invention relates to parallel architecture digital filter and signal receiver with spectrum spreading using such a filter, the filter may have p shift registers (Rp, Ri) with means for calculating a weighted sum of stored samples in the registers, p weighted sums (Skp, Ski) may be obtained and recombined with number p being, for example, equal to 2.
Abstract translation: 本发明涉及使用这种滤波器进行频谱扩展的并行架构数字滤波器和信号接收机，该滤波器可以具有p个移位寄存器（R，P，R，R） 计算寄存器中存储的采样的加权和，p个加权和（S＆lt; S＆gt;＆lt; p＆gt;，＆lt; ）可以获得并与数p重组，例如等于2。
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公开(公告)号：US4467237A
公开(公告)日：1984-08-21
申请号：US272096
申请日：1981-06-10
Applicant: Bernard Piaget , Jean-Francois Piquard
Inventor： Bernard Piaget , Jean-Francois Piquard
CPC classification number: B06B1/0622
Abstract: Multielement ultrasonic probe production process connecting a piezoelectric ceramic block incorporating an upper conductive layer and a lower layer to two printed circuits having a metallized face and a face provided with conductive strips, electrically connecting one of the conductive strips to one of the faces of the printed circuits and the other conductive strip to the other face of said circuits, cutting out said block and the upper part of said circuits so as to form equidistant piezoelectric elements and mechanically insulating them from one another, as well as the connections with respect to each element.The invention has application to medical echography.
Abstract translation: 将包含上导电层和下层的压电陶瓷块连接到具有金属化面的两个印刷电路和设置有导电条的面的多元件超声波探头制造工艺，将导电条之一电连接到印刷的一个面 电路和另一个导电条带到所述电路的另一面，切割所述块和所述电路的上部，以形成等距压电元件并将它们彼此机械绝缘，以及相对于每个元件的连接 。 本发明适用于医疗回声。
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公开(公告)号：US4398325A
公开(公告)日：1983-08-16
申请号：US272095
申请日：1981-06-10
Applicant: Bernard Piaget , Jean-Francois Piquard
Inventor： Bernard Piaget , Jean-Francois Piquard
CPC classification number: B06B1/0622 , G10K11/32 , Y10T29/42
Abstract: Process for producing complex ultrasonic transducers comprising cutting out a piezoelectric ceramic block along lines which are parallel to one another by means of at least two rows of channels making it possible to produce elementary transducers and selecting the cut elements so as to obtain the desired complex transducer shape, wherein the selected elements are electrically interconnected by one of their faces by means of a conductive deposit and the other face of said elements is raised to reference potential.Application to the production of ring grating or annular transducers.
Abstract translation: 用于生产复合超声波换能器的方法，包括通过至少两排通道彼此平行的线切割压电陶瓷块，使得可以产生基本换能器并选择切割元件，以便获得所需的复合换能器 形状，其中所选择的元件通过其表面之一通过导电沉积物电互连，并且所述元件的另一面被提升到参考电位。 适用于生产环形光栅或环形传感器。
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5.发明申请METHOD FOR RECEIVING SPECTRUM SPREADING SIGNALS WITH FREQUENCY SHIFT CORRECTION 有权采用频移校正接收频谱扩展信号的方法公开(公告)号：US20070110141A1
公开(公告)日：2007-05-17
申请号：US11469068
申请日：2006-08-31
Applicant: Christophe Boulanger , Laurent Ouvry , Bernard Piaget , Didier Lattard
Inventor： Christophe Boulanger , Laurent Ouvry , Bernard Piaget , Didier Lattard
IPC: H04B1/00
CPC classification number: H04B1/7087 , H04J13/0022 , H04L27/0014 , H04L27/2053 , H04L2027/0046
Abstract: A method for receiving spectrum spreading signals using a Doppler-effect frequency-shift correction generates a corrective signal based on an estimation of a modulation period related to the Doppler effect detected in a preamble portion of a received signal. The corrective signal is used for correcting an information portion of the received signal. Base band digital signals are operated upon by using the DOT and CROSS components.
Abstract translation: 使用多普勒效应频移校正来接收频谱扩展信号的方法基于与在接收信号的前导部分中检测到的多普勒效应相关的调制周期的估计来生成校正信号。 校正信号用于校正接收信号的信息部分。 基带数字信号通过使用DOT和CROSS组件进行操作。
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Patent Agency Ranking
6.发明授权Method for receiving CDMA signals with synchronization resulting from delayed double multiplication and corresponding receiver 失效用延迟双倍乘法和对应的接收机接收同步信号的CDMA信号的方法公开(公告)号：US06999502B1
公开(公告)日：2006-02-14
申请号：US09786275
申请日：1999-09-03
Applicant: Christophe Boulanger , Jean-René Lequepeys , Bernard Piaget , Roselino Lionti
Inventor： Christophe Boulanger , Jean-René Lequepeys , Bernard Piaget , Roselino Lionti
IPC: H04B1/707
CPC classification number: H04B1/7075 , H04J13/0022
Abstract: The present invention relates to a method for receiving CDMA signals with synchronization being obtained through double delayed multiplication, and an associated receiver.According to the invention, the correlation signal undergoes double delayed multiplication. Synchronization is established on the signal thus generated.Applied to digital communications, in particular with mobile phones.
Abstract translation: 本发明涉及一种通过双延迟乘法获得同步的CDMA信号的方法，以及相关的接收机。
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7.发明授权Digital circuit for differential receiver for direct sequence spread spectrum signals 失效用于直接序列扩频信号的差分接收机的数字电路
公开(公告)号：US5799035A
公开(公告)日：1998-08-25
申请号：US747262
申请日：1996-11-12
Applicant: Didier Lattard , Jean Rene Lequepeys , Bernard Piaget , Norbert Daniele
Inventor： Didier Lattard , Jean Rene Lequepeys , Bernard Piaget , Norbert Daniele
CPC classification number: H04B1/7093
Abstract: The circuit has two parallel channels for the processing of two components in phase (I) and in quadrature (Q). Each channel has filtering means (50(I)) and delay means (60(I)). The circuit also incorporates a multiplication circuit (70), an integration circuit (80) and a programming circuit (90). Several circuits of this type can be connected in cascade.
Abstract translation: 该电路具有两个并行通道，用于处理相位（I）和正交（Q）中的两个分量。 每个通道具有滤波装置（50（I））和延迟装置（60（I））。 电路还包括乘法电路（70），积分电路（80）和编程电路（90）。 这种类型的几个电路可以级联连接。
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8.发明授权Parallel architecture digital filter and spread spectrum signal receiver using such a filter 有权并联架构数字滤波器和扩频信号接收机采用这种滤波器公开(公告)号：US07532691B2
公开(公告)日：2009-05-12
申请号：US11447678
申请日：2006-06-05
Applicant: Sébastien Leveque , Norbert Daniele , Didier Lattard , Bernard Piaget
Inventor： Sébastien Leveque , Norbert Daniele , Didier Lattard , Bernard Piaget
IPC: H04B1/00
CPC classification number: H03H17/06 , H03H17/0254 , H04J13/0022
Abstract: This invention relates to parallel architecture digital filter and signal receiver with spectrum spreading using such a filter, the filter may have p shift registers (Rp, Ri) with means for calculating a weighted sum of stored samples in the registers, p weighted sums (Skp, Ski) may be obtained and recombined with number p being, for example, equal to 2.
Abstract translation: 本发明涉及具有使用这种滤波器的频谱扩展的并行架构数字滤波器和信号接收机，该滤波器可以具有用于计算寄存器中存储的采样的加权和的装置的P移位寄存器（Rp，Ri），p个加权和（Skp ，滑雪），并且与数字p重新组合例如等于2。
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9.发明申请Parallel architecture digital filter and spread spectrum signal receiver using such a filter 有权并联架构数字滤波器和扩频信号接收机采用这种滤波器公开(公告)号：US20070086510A1
公开(公告)日：2007-04-19
申请号：US11447678
申请日：2006-06-05
Applicant: Sebastien Leveque , Norbert Daniele , Didier Lattard , Bernard Piaget
Inventor： Sebastien Leveque , Norbert Daniele , Didier Lattard , Bernard Piaget
CPC classification number: H03H17/06 , H03H17/0254 , H04J13/0022
Abstract: This invention relates to parallel architecture digital filter and signal receiver with spectrum spreading using such a filter, the filter may have p shift registers (Rp, Ri) with means for calculating a weighted sum of stored samples in the registers, p weighted sums (Skp, Ski) may be obtained and recombined with number p being, for example, equal to 2.
Abstract translation: 本发明涉及使用这种滤波器进行频谱扩展的并行架构数字滤波器和信号接收机，该滤波器可以具有p个移位寄存器（R，P，R，R） 计算寄存器中存储的采样的加权和，p个加权和（S＆lt; S＆gt;＆lt; p＆gt;，＆lt; ）可以获得并与数p重组，例如等于2。
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10.发明申请公开(公告)号：US20060133459A1
公开(公告)日：2006-06-22
申请号：US11331762
申请日：2006-01-13
Applicant: Christophe Boulanger , Laurent Ouvry , Bernard Piaget , Didier Lattard
Inventor： Christophe Boulanger , Laurent Ouvry , Bernard Piaget , Didier Lattard
IPC: H04B1/707
CPC classification number: H04B1/7087 , H04J13/0022 , H04L27/0014 , H04L27/2053 , H04L2027/0046
Abstract: Method for receiving spectrum spreading signals with frequency shift correction. According to the invention, the modulation period related to the Doppler effect is estimated by using a preamble and a correction signal is elaborated, the signal transmitting the information is then corrected by this correction signal. Base band digital signals are operated upon by using the DOT and CROSS components. Application to digital transmissions.
Abstract translation: 用频移校正接收频谱扩展信号的方法。 根据本发明，通过使用前置码来估计与多普勒效应有关的调制周期，并且详细说明了校正信号，然后通过该校正信号校正发送信息的信号。 基带数字信号通过使用DOT和CROSS组件进行操作。 应用于数字传输。
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