公开(公告)号：US08547118B1

公开(公告)日：2013-10-01

申请号：US13724516

申请日：2012-12-21

Applicant: Santhosh Kumar Vojjala ,  Vibheesh Bharathan ,  Sai Prashanth Chinnapalli ,  Jijeesh Choorakottayil Gopinathan ,  Edward Grivna ,  David G. Wright

Inventor： Santhosh Kumar Vojjala ,  Vibheesh Bharathan ,  Sai Prashanth Chinnapalli ,  Jijeesh Choorakottayil Gopinathan ,  Edward Grivna ,  David G. Wright

IPC: G01R27/26

CPC classification number: G06F3/044 ,  G06F3/0416

Abstract: An apparatus includes multiple capacitive sensing elements coupled through a filter network. The apparatus can include a control device configured to excite the capacitive sensing elements with different scanning frequencies and determine capacitances corresponding to each of the capacitive sensing elements based on sensor responses to the excitation of the capacitive sensing elements with the different scanning frequencies and a configuration of the filter network.

Abstract translation: 一种装置包括通过滤波器网络耦合的多个电容感测元件。 该装置可以包括控制装置，该控制装置被配置为基于对具有不同扫描频率的电容感测元件的激励的传感器响应来确定具有不同扫描频率的电容感测元件，并且确定对应于每个电容感测元件的电容，并且配置 过滤网络。

公开(公告)号：US08493359B2

公开(公告)日：2013-07-23

申请号：US13214048

申请日：2011-08-19

Applicant: David G. Wright ,  Darrin Vallis

Inventor： David G. Wright ,  Darrin Vallis

IPC: G06F3/045 ,  G06F3/033

CPC classification number: G06F3/0416 ,  G06F3/03545 ,  G06F3/038 ,  G06F3/044

Abstract: A system comprising a sensing device and a capacitive sense array configured to track the position of a stylus and synchronize the capacitive sense array to the stylus transmit signal. The system is configured to track the position of both a stylus and a passive touch object. The system is further configured to track the position of the stylus using self capacitance sensing and track the position of the passive touch object using mutual capacitance sensing. The system further configured to modulate the stylus transmit signal to include additional data to support additional stylus functions.

Abstract translation: 一种包括感测装置和电容性感测阵列的系统，其被配置为跟踪触笔的位置并使电容性感测阵列与触针发射信号同步。 该系统被配置为跟踪触控笔和被动触摸对象的位置。 该系统进一步配置为使用自身电容感测跟踪触控笔的位置，并使用互电容感测跟踪被动触摸对象的位置。 该系统还被配置为调制触笔发射信号以包括附加数据以支持附加的触笔功能。

公开(公告)号：US08441298B1

公开(公告)日：2013-05-14

申请号：US12496579

申请日：2009-07-01

Applicant: Timothy Williams ,  David G. Wright ,  Harold Kutz ,  Eashwar Thiagarajan ,  Warren Snyder ,  Mark E. Hastings

Inventor： Timothy Williams ,  David G. Wright ,  Harold Kutz ,  Eashwar Thiagarajan ,  Warren Snyder ,  Mark E. Hastings

IPC: H03L5/00 ,  H01L25/00

CPC classification number: G06F13/4022 ,  H03K19/1732

Abstract: In one example, a chip includes an integrated analog component configured to communicate over an internal analog bus of the chip. A plurality of I/O pads located on the chip is configured to provide a connected device access to the integrated analog component. A plurality of transmission gates configured to selectively connect the I/O pads to a bus line of the analog bus.

Abstract translation: 在一个示例中，芯片包括被配置为通过芯片的内部模拟总线进行通信的集成模拟组件。 位于芯片上的多个I / O焊盘被配置为提供连接的器件对集成模拟部件的访问。 多个传输门被配置为选择性地将I / O焊盘连接到模拟总线的总线。

公开(公告)号：US08375258B1

公开(公告)日：2013-02-12

申请号：US12752946

申请日：2010-04-01

Applicant: Michael Sheets ,  David G. Wright

Inventor： Michael Sheets ,  David G. Wright

IPC: G06F11/00

CPC classification number: G06F11/0757 ,  G06F11/0721 ,  G06F11/0793 ,  G06F11/3024 ,  G06F11/3055

Abstract: A method and apparatus to operate a watchdog timer having a first time out period in a processing system. The watchdog timer receives an indication of a change in a mode of operation in the processing system. In response to the change in the mode of operation of the processing system, the watchdog timer changes the time out period to a second time out period corresponding to the new mode of operation.

公开(公告)号：US08373664B2

公开(公告)日：2013-02-12

申请号：US11642025

申请日：2006-12-18

Applicant: David G. Wright

Inventor： David G. Wright

IPC: G06F3/041

CPC classification number: G06F3/044 ,  G06F2203/04111 ,  H01H2203/03 ,  Y10T29/49105

Abstract: An apparatus and method for detecting a presence of a conductive object on a sensor array of a first circuit board using active electronic components of a second circuit board, which is coupled to the first circuit board. The apparatus may include a first circuit board, which includes a sensor array of sensor elements, and a second circuit board, coupled to the first circuit board, including sensing circuitry to measure capacitance on the sensor array of the first circuit board. The method may include measuring a capacitance on the sensor array using the active electronic components of the second circuit board, and processing the measured capacitance.

Abstract translation: 一种用于使用耦合到第一电路板的第二电路板的有源电子部件来检测第一电路板的传感器阵列上的导电物体的存在的装置和方法。 该装置可以包括第一电路板，其包括传感器元件的传感器阵列和耦合到第一电路板的第二电路板，包括用于测量第一电路板的传感器阵列上的电容的感测电路。 该方法可以包括使用第二电路板的有源电子部件来测量传感器阵列上的电容，以及处理所测量的电容。

公开(公告)号：US08219729B1

公开(公告)日：2012-07-10

申请号：US12685628

申请日：2010-01-11

Applicant: David G. Wright

Inventor： David G. Wright

IPC: G06F13/00

CPC classification number: G06F13/4022 ,  G06F2213/0042

Abstract: An apparatus may include a first connector having at least a first host communication path for connection to a host device, a second connector that physically alters at least a first signal path in response to a physical connection at the second connector, and a controller section that communicates a first set of configuration information over the first host communication path when the first signal path is in an unaltered state, and a second set of configuration information when the first signal path is in an altered state.

Abstract translation: 设备可以包括具有用于连接到主机设备的至少第一主通信路径的第一连接器，响应于第二连接器处的物理连接物理地改变至少第一信号路径的第二连接器，以及控制器部分， 当第一信号路径处于未改变状态时，通过第一主机通信路径传送第一组配置信息，以及当第一信号路径处于改变状态时传送第二组配置信息。

公开(公告)号：US08217700B1

公开(公告)日：2012-07-10

申请号：US12496590

申请日：2009-07-01

Applicant: Timothy Williams ,  Harold Kutz ,  Warren Snyder ,  David G. Wright

Inventor： Timothy Williams ,  Harold Kutz ,  Warren Snyder ,  David G. Wright

IPC: H03L5/00

CPC classification number: H03K19/1732

Abstract: In one example, a chip includes integrated components configured to operate in the digital domain and the analog domain. An I/O pad located on the chip is configured to provide an external device access to the integrated components. A multifunction I/O interface cell between the I/O pad and the integrated components is configured to selectively connect different combinations of the components to the same I/O pad at different times. The multifunction I/O interface cell may include a first switching device connected to ground, a second switching device connected to a reference voltage, an analog input/output buffer, and a digital input/output buffer.

Abstract translation: 在一个示例中，芯片包括被配置为在数字域和模拟域中操作的集成组件。 位于芯片上的I / O焊盘被配置为提供对集成部件的外部设备访问。 I / O焊盘和集成组件之间的多功能I / O接口单元被配置为在不同时间有选择地将组件的不同组合连接到相同的I / O焊盘。 多功能I / O接口单元可以包括连接到地的第一开关器件，连接到参考电压的第二开关器件，模拟输入/输出缓冲器和数字输入/输出缓冲器。

公开(公告)号：US08125243B1

公开(公告)日：2012-02-28

申请号：US11904643

申请日：2007-09-28

Applicant: David G. Wright

Inventor： David G. Wright

IPC: H01L25/00 ,  H03K19/177 ,  G06F17/50

CPC classification number: G06F13/24 ,  G05F1/46 ,  G06F1/24 ,  H01L2924/0002 ,  H02M1/08 ,  H03K17/22 ,  H03L5/02 ,  Y02D10/14 ,  H01L2924/00

Abstract: Methods and a system for continuous integrity checking of configuration data of programmable device are disclosed. In one embodiment, a method includes performing a redundancy check (RC) of configuration data loaded to configuration registers to produce a master RC data. The method further includes iteratively comparing a current RC data obtained by performing the redundancy check (RC) of current configuration data of the configuration registers with the master RC data until there is a mismatch between the current RC data and the master RC data. Additionally, the method includes performing an exception event in response to the mismatch.

Abstract translation: 公开了可编程装置的配置数据的连续完整性检查方法和系统。 在一个实施例中，一种方法包括执行加载到配置寄存器的配置数据的冗余校验（RC）以产生主RC数据。 该方法还包括迭代地比较通过执行配置寄存器的当前配置数据的冗余校验（RC）与主RC数据获得的当前RC数据，直到当前RC数据与主RC数据之间不匹配。 另外，该方法包括响应于不匹配来执行异常事件。

公开(公告)号：US20090225036A1

公开(公告)日：2009-09-10

申请号：US11904576

申请日：2007-09-26

Applicant: David G. Wright

Inventor： David G. Wright

IPC: G06F3/041

CPC classification number: G06F3/0416

Abstract: Apparatus and methods for discriminating between a first signal from a user interface indicative of user interaction at a first location and a second signal indicative of user interaction at a second location.

Abstract translation: 用于区分来自用户界面的指示第一位置处的用户交互的第一信号和指示在第二位置处的用户交互的第二信号的装置和方法。

公开(公告)号：US07519101B1

公开(公告)日：2009-04-14

申请号：US11006934

申请日：2004-12-07

Applicant: David G. Wright

Inventor： David G. Wright

IPC: H04B1/00

CPC classification number: H04B1/707 ,  H04B2201/70709 ,  H04J13/0022 ,  H04J13/10

Abstract: Communication circuitry uses a combination of Pseudo-Noise (PN) coded and non-PN coded transmission periods to represent different data values. In one embodiment, a number of data values are encoded into a smaller second number of encoded ternary values. The Pseudo-Noise (PN) codes are transmitted representing some of the encoded ternary values and no transmitted PN codes represent other encoded ternary values. The throughput of spread spectrum radio systems is increased by representing data values in fewer spread spectrum time slots.

Abstract translation: 通信电路使用伪噪声（PN）编码和非PN编码的传输周期的组合来表示不同的数据值。 在一个实施例中，将多个数据值编码为较小的第二数量的编码三进制值。 发送代表一些编码三进制值的伪噪声（PN）码，并且没有发送的PN码表示其它编码的三进制值。 通过在较少的扩展频谱时隙中表示数据值来增加扩频无线电系统的吞吐量。