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    Adaptive offset-compensating decision-feedback receiver
    1.
    发明授权
    Adaptive offset-compensating decision-feedback receiver 有权
    自适应偏移补偿判决反馈接收机

    公开(公告)号：US08798530B2

    公开(公告)日：2014-08-05

    申请号：US12494492

    申请日：2009-06-30

    申请人： Alex Chow ,  Robert J. Drost ,  Robert David Hopkins

    发明人： Alex Chow ,  Robert J. Drost ,  Robert David Hopkins

    IPC分类号： H04B5/00

    CPC分类号： H04L25/03063 ,  H04L25/0268

    摘要： A circuit that receives input signals from a transmitter via proximity communication, such as capacitively coupled proximity communication, is described. Because proximity communication may block DC content, the circuit may restore the DC content of input signals. In particular, a refresh circuit in the circuit may short inputs of the circuit to each other at least once per clock cycle (which sets a null value). Furthermore, a feedback circuit ensures that, if there is a signal transition in the input signals during a current clock cycle, it is passed through to an output node of the circuit. On the other hand, if there is no signal transition in the input signals during the current clock cycle, the feedback circuit may select the appropriate output value on the output node based on the output value during the immediately preceding clock cycle.

    摘要翻译： 描述了通过诸如电容耦合邻近通信之类的接近通信从发射机接收输入信号的电路。 因为邻近通信可能会阻塞直流内容，所以电路可以恢复输入信号的直流内容。 特别地，电路中的刷新电路可以使每个时钟周期至少一次将电路的输入短路（其设定为空值）。 此外，反馈电路确保，如果在当前时钟周期期间在输入信号中存在信号转换，则其被传递到电路的输出节点。 另一方面，如果在当前时钟周期期间输入信号中没有信号转换，则反馈电路可以基于在紧接的前一时钟周期期间的输出值在输出节点上选择适当的输出值。

    ADAPTIVE OFFSET-COMPENSATING DECISION-FEEDBACK RECEIVER
    2.
    发明申请
    ADAPTIVE OFFSET-COMPENSATING DECISION-FEEDBACK RECEIVER 有权
    自适应偏移补偿决策反馈接收器

    公开(公告)号：US20100329390A1

    公开(公告)日：2010-12-30

    申请号：US12494492

    申请日：2009-06-30

    申请人： Alex Chow ,  Robert J. Drost ,  Robert David Hopkins

    发明人： Alex Chow ,  Robert J. Drost ,  Robert David Hopkins

    IPC分类号： H04L25/10 ,  H04B5/00 ,  H04L27/06

    CPC分类号： H04L25/03063 ,  H04L25/0268

    摘要： A circuit that receives input signals from a transmitter via proximity communication, such as capacitively coupled proximity communication, is described. Because proximity communication may block DC content, the circuit may restore the DC content of input signals. In particular, a refresh circuit in the circuit may short inputs of the circuit to each other at least once per clock cycle (which sets a null value). Furthermore, a feedback circuit ensures that, if there is a signal transition in the input signals during a current clock cycle, it is passed through to an output node of the circuit. On the other hand, if there is no signal transition in the input signals during the current clock cycle, the feedback circuit may select the appropriate output value on the output node based on the output value during the immediately preceding clock cycle.

    摘要翻译： 描述了通过诸如电容耦合邻近通信之类的接近通信从发射机接收输入信号的电路。 因为邻近通信可能会阻塞直流内容，所以电路可以恢复输入信号的直流内容。 特别地，电路中的刷新电路可以使每个时钟周期至少一次将电路的输入短路（其设定为空值）。 此外，反馈电路确保，如果在当前时钟周期期间在输入信号中存在信号转换，则其被传递到电路的输出节点。 另一方面，如果在当前时钟周期期间输入信号中没有信号转换，则反馈电路可以基于在紧接的前一时钟周期期间的输出值在输出节点上选择适当的输出值。

    Protection for proximity electronics against electrostatic discharge
    6.
    发明授权
    Protection for proximity electronics against electrostatic discharge 有权
    防止静电放电接近电子元件的保护

    公开(公告)号：US08014113B2

    公开(公告)日：2011-09-06

    申请号：US12144142

    申请日：2008-06-23

    申请人： Robert J. Drost ,  Scott M. Fairbanks ,  Alex Chow

    发明人： Robert J. Drost ,  Scott M. Fairbanks ,  Alex Chow

    IPC分类号： H02H9/00 ,  H02H1/00 ,  H02H1/04 ,  H02H3/22 ,  H02H9/06

    CPC分类号： H01L25/0657 ,  H01L23/48 ,  H01L23/60 ,  H01L2225/06527 ,  H01L2924/0002 ,  H01L2924/3011 ,  H01L2924/00

    摘要： A system of protecting a proximity communication system against electrostatic discharge (ESD). The proximity communication system includes two chips, each having an array of electrical pads at its surface and covered by a thin dielectric layer such that capacitive coupling circuits are formed between the chips when they are joined together. In at least one of the chips, an additional protection pad is formed away from the array, and heavy protection circuitry is connected to it. Its surface is exposed through the dielectric surface over it such that, when an ESD aggressor approaches, the discharge occurs to the protection pad.

    摘要翻译： 保护接近通信系统免受静电放电（ESD）的系统。 接近通信系统包括两个芯片，每个芯片在其表面上具有电焊盘的阵列并被薄的电介质层覆盖，使得当它们连接在一起时，在芯片之间形成电容耦合电路。 在至少一个芯片中，附加的保护焊盘远离阵列形成，重保护电路与其连接。 其表面通过其上的电介质表面暴露，使得当ESD侵蚀器接近时，放电发生到保护焊盘。

    Using floating fill metal to reduce power use for proximity communication
    8.
    发明授权
    Using floating fill metal to reduce power use for proximity communication 有权
    使用浮动填充金属来减少接近通信的电力

    公开(公告)号：US07994604B2

    公开(公告)日：2011-08-09

    申请号：US12317606

    申请日：2008-12-24

    申请人： Alex Chow ,  Robert J. Drost ,  Ronald Ho ,  Robert Proebsting ,  Arlene Proebsting, legal representative

    发明人： Alex Chow ,  Robert J. Drost ,  Ronald Ho ,  Robert Proebsting

    IPC分类号： H01L23/52 ,  H01L23/538

    CPC分类号： H01L23/48 ,  H01L2225/06527 ,  H01L2924/0002 ,  H01L2924/00

    摘要： One embodiment of the present invention provides a system that facilitates reducing the power needed for proximity communication. This system includes an integrated circuit with an array of transmission pads that transmit a signal using proximity communication. A layer of fill metal is located in proximity to this array of transmission pads, wherein the layer of fill metal is “floating” (e.g., not connected to any signal). Leaving this layer of fill metal floating reduces the parasitic capacitance for the array of transmission pads, which can reduce the amount of power needed to transmit the signal.

    摘要翻译： 本发明的一个实施例提供一种有助于减少邻近通信所需的功率的系统。 该系统包括具有使用接近通信传输信号的传输焊盘阵列的集成电路。 填充金属层位于该传输焊盘阵列附近，其中填充金属层“浮动”（例如，未连接到任何信号）。 离开这层填充金属浮动可以减少传输焊盘阵列的寄生电容，这可以减少传输信号所需的功率。

    PROTECTION FOR PROXIMITY ELECTRONICS AGAINST ELECTROSTATIC DISCHARGE
    9.
    发明申请
    PROTECTION FOR PROXIMITY ELECTRONICS AGAINST ELECTROSTATIC DISCHARGE 有权
    针对静电放电的接近电子保护

    公开(公告)号：US20090315157A1

    公开(公告)日：2009-12-24

    申请号：US12144142

    申请日：2008-06-23

    申请人： Robert J. Drost ,  Scott M. Fairbanks ,  Alex Chow

    发明人： Robert J. Drost ,  Scott M. Fairbanks ,  Alex Chow

    IPC分类号： H01L23/62

    CPC分类号： H01L25/0657 ,  H01L23/48 ,  H01L23/60 ,  H01L2225/06527 ,  H01L2924/0002 ,  H01L2924/3011 ,  H01L2924/00

    摘要： A system of protecting a proximity communication system against electrostatic discharge (ESD). The proximity communication system includes two chips, each having an array of electrical pads at its surface and covered by a thin dielectric layer such that capacitive coupling circuits are formed between the chips when they are joined together. In at least one of the chips, an additional protection pad is formed away from the array, and heavy protection circuitry is connected to it. Its surface is exposed through the dielectric surface over it such that, when an ESD aggressor approaches, the discharge occurs to the protection pad.

    摘要翻译： 保护接近通信系统免受静电放电（ESD）的系统。 接近通信系统包括两个芯片，每个芯片在其表面上具有电焊盘的阵列并被薄的电介质层覆盖，使得当它们连接在一起时，在芯片之间形成电容耦合电路。 在至少一个芯片中，附加的保护焊盘远离阵列形成，重保护电路与其连接。 其表面通过其上的电介质表面暴露，使得当ESD侵蚀器接近时，放电发生到保护焊盘。

    DIVERSITY PROXIMITY COMMUNICATION
    10.
    发明申请
    DIVERSITY PROXIMITY COMMUNICATION 有权
    多样性接近通信

    公开(公告)号：US20090279571A1

    公开(公告)日：2009-11-12

    申请号：US12115772

    申请日：2008-05-06

    申请人： Alex Chow ,  R. David Hopkins ,  Robert J. Drost

    发明人： Alex Chow ,  R. David Hopkins ,  Robert J. Drost

    IPC分类号： H04J1/00 ,  H04J15/00 ,  H04J13/00 ,  H04J3/00

    CPC分类号： H04B5/0012 ,  H01L25/0657 ,  H01L2225/06513 ,  H01L2225/06531 ,  H01L2924/0002 ,  H04B7/04 ,  H01L2924/00

    摘要： A diversity proximity communication system formed on two juxtaposed chips, one having a two-dimensional array of transmit elements, the other having a two-dimensional array of receive elements. The receive and transmit elements need not be aligned and may have nominal alignment of one transmit element overlapping the corners of four receive elements. The elements may be electrical pads capacitively coupled across the interface. Signals of four different multiplexing groups, e.g., time-multiplexed, are supplied to transmitting elements in a 2×2 array. Signals from four receive elements in a 2×2 array are amplified, combined, and demultiplexed for the selected multiplexing group. The gains for the four signals to be combined are differentially controlled to increase the signal-to-noise ratio. The amplification may be determined by the overlap between each of the receive elements and the transmit element of the selected multiplexing group.

    摘要翻译： 在两个并置芯片上形成的分集接近通信系统，一个具有发射元件的二维阵列，另一个具有接收元件的二维阵列。 接收和发送元件不需要对齐，并且可以具有与四个接收元件的角重叠的一个发射元件的标称对准。 元件可以是跨接口电容耦合的电焊盘。 四个不同复用组的信号，例如时分复用，被提供给2x2阵列中的发射元件。 来自2x2阵列中的四个接收元件的信号被放大，组合和解复用用于所选择的复用组。 要组合的四个信号的增益被差分控制以增加信噪比。 可以通过每个接收元件与所选多路复用组的发送元件之间的重叠来确定放大。