公开(公告)号：US07902842B2

公开(公告)日：2011-03-08

申请号：US11925537

申请日：2007-10-26

Applicant: Joseph Kurth Reynolds ,  Kirk Hargreaves ,  David Ely ,  Paul Routley ,  Julian Haines

Inventor： Joseph Kurth Reynolds ,  Kirk Hargreaves ,  David Ely ,  Paul Routley ,  Julian Haines

IPC: G01R27/26

CPC classification number: H03K17/955 ,  G01R27/2605 ,  G06F3/0416 ,  G06F3/044 ,  H03K2217/960725

Abstract: Methods, systems and devices are described for detecting a measurable capacitance using charge transfer techniques that can be implemented with many standard microcontrollers, and can share components to reduce device complexity and improve performance. In the various implementations of this embodiment, the passive network used to accumulate charge can be shared between multiple measurable capacitances. Likewise, in various implementations a voltage conditioning circuit configured to provide a variable reference voltage can be shared between multiple measurable capacitances. Finally, in various implementations a guarding electrode configured to guard the measurable capacitances can be shared between multiple measurable capacitances. In each of these cases, sharing components can reduce device complexity and improve performance.

Abstract translation: 描述了使用可以用许多标准微控制器实现的电荷转移技术来检测可测量电容的方法，系统和装置，并且可以共享组件以降低器件复杂性并提高性能。 在该实施例的各种实现中，用于累积电荷的无源网络可以在多个可测量电容之间共享。 同样，在各种实施方式中，可以在多个可测量电容之间共享配置成提供可变参考电压的电压调节电路。 最后，在各种实施方式中，可以在多个可测量电容之间共享用于保护可测量电容的保护电极。 在这些情况下，共享组件可以降低设备复杂性并提高性能。

公开(公告)号：US07812268B2

公开(公告)日：2010-10-12

申请号：US10569445

申请日：2004-08-26

Applicant: David Ely

Inventor： David Ely

IPC: G06F3/041 ,  G06K11/06 ,  G08C21/00

CPC classification number: G06F3/0418 ,  G06F3/03545 ,  G06F3/046

Abstract: An X-Y digitizer system is described for embedding within a host device, such as a tablet PC, a mobile telephone, a personal digital assistant or the like. The digitizer is configurable so that it can detect and track the position of different types of position indicator. The digitizer that is described also includes novel digitizer windings and novel excitation circuitry for energizing the windings.

Abstract translation: 描述了用于嵌入主机设备（例如平板PC，移动电话，个人数字助理等）中的X-Y数字转换器系统。 数字化仪是可配置的，可以检测和跟踪不同类型位置指示器的位置。 所描述的数字转换器还包括新颖的数字转换器绕组和用于对绕组通电的新颖的激励电路。

公开(公告)号：US07250588B2

公开(公告)日：2007-07-31

申请号：US11155007

申请日：2005-06-15

Applicant: David Ely ,  Brian K. Beesley ,  Alan Parkinson ,  Claude Brandt

Inventor： David Ely ,  Brian K. Beesley ,  Alan Parkinson ,  Claude Brandt

IPC: A47J27/04 ,  A47J27/12 ,  A47J37/08

CPC classification number: A47J27/04 ,  A47J27/05 ,  A47J29/02 ,  A47J37/08 ,  A47J37/0814 ,  A47J37/0871

Abstract: A combination bread toaster and steamer device includes a pair of vertically oriented bread slots extending into a housing from a top of the housing; means for elevating and lowering bread in the bread slots; a steamer compartment, disposed on the housing, including a heater pan configured to receive water; and at least one heating element associated with the bread slots and the steamer compartment.

Abstract translation: 组合式面包烤面包机和蒸笼装置包括从壳体的顶部延伸到壳体中的一对垂直定向的面包槽; 在面包槽中升降面包的手段; 设置在所述壳体上的蒸笼室，包括构造成接收水的加热盘; 以及与面包槽和蒸笼隔室相关联的至少一个加热元件。

公开(公告)号：US20060191891A1

公开(公告)日：2006-08-31

申请号：US11155007

申请日：2005-06-15

Applicant: David Ely ,  Brian Beesley ,  Alan Parkinson

Inventor： David Ely ,  Brian Beesley ,  Alan Parkinson

IPC: A47J37/08

CPC classification number: A47J27/04 ,  A47J27/05 ,  A47J29/02 ,  A47J37/08 ,  A47J37/0814 ,  A47J37/0871

Abstract: A combination bread toaster and steamer device includes a pair of vertically oriented bread slots extending into a housing from a top of the housing; means for elevating and lowering bread in the bread slots; a steamer compartment, disposed on the housing, including a heater pan configured to receive water; and at least one heating element associated with the bread slots and the steamer compartment.

Abstract translation: 组合式面包烤面包机和蒸笼装置包括从壳体的顶部延伸到壳体中的一对垂直定向的面包槽; 在面包槽中升降面包的手段; 设置在所述壳体上的蒸笼室，包括构造成接收水的加热盘; 以及与面包槽和蒸笼隔室相关联的至少一个加热元件。

公开(公告)号：US5614824A

公开(公告)日：1997-03-25

申请号：US441533

申请日：1995-05-15

Applicant: Andrew Dames ,  David Ely ,  Colin Ager

Inventor： Andrew Dames ,  David Ely ,  Colin Ager

IPC: G01N27/72 ,  G01R33/12 ,  G06K7/08 ,  G07D7/00 ,  G07D7/02 ,  G07D7/04 ,  G08B13/24

CPC classification number: G07D7/04

Abstract: A security thread for use in a paper-based value document, such as currency or banknote paper, includes a plastic substrate coated with one or more regions of "soft" magnetic material. A device for verifying both the authenticity and the denomination of the document includes a coil that is driven by an alternating current to thereby provide a uniform magnetic field within a predetermined spatial region. As the document passes in proximity to the drive coil, the applied magnetic field saturates the regions of magnetic material on the security thread. The magnetic regions provide a response magnetic field that, because of the saturation of the magnetic regions, is a non-linear response containing a multiple of frequency components, including a component at the fundamental or drive frequency and various harmonic frequency components. A receive coil senses the response magnetic field. A signal processor connected to the receive coil utilizes the response signals at the fundamental frequency and the low-order harmonic frequencies to determine both the type of magnetic material on the security thread and the denomination of the document from the spatial distribution of the magnetic regions on the security thread.

Abstract translation: 用于基于纸张的价值文档（例如货币或钞票纸）中的安全线程包括涂覆有一个或多个“软”磁性材料区域的塑料基板。 用于验证文件的真实性和面额的装置包括由交流电驱动从而在预定空间区域内提供均匀磁场的线圈。 当文档经过驱动线圈附近时，所施加的磁场使安全线上的磁性材料的区域饱和。 磁性区域提供响应磁场，由于磁性区域的饱和，该响应磁场是包含多个频率分量，包括基波或驱动频率的分量以及各种谐波频率分量的非线性响应。 接收线圈感应响应磁场。 连接到接收线圈的信号处理器利用基频和低次谐波频率的响应信号来确定安全线上的磁性材料的类型和来自磁区的空间分布的文档面值 安全线程。

公开(公告)号：US07948245B2

公开(公告)日：2011-05-24

申请号：US12708339

申请日：2010-02-18

Applicant: Kirk Hargreaves ,  Joseph Kurth Reynolds ,  David Ely ,  Julian Haines

Inventor： Kirk Hargreaves ,  Joseph Kurth Reynolds ,  David Ely ,  Julian Haines

IPC: G01R27/26

CPC classification number: G01R27/2605

Abstract: Methods, systems and devices are described for detecting a measurable capacitance using sigma-delta measurement techniques. According to various embodiments, a voltage is applied to the measurable capacitance using a first switch. The measurable capacitance is allowed to share charge with a passive network. If the charge on the passive network is past a threshold value, then the charge on the passive network is changed by a known amount for a sufficient number of repetitions until the measurable capacitance can be detected. Such a detection scheme may be readily implemented using conventional components, and can be particularly useful in sensing the position of a finger, stylus or other object with respect to a button, slider, touchpad or other input sensor.

Abstract translation: 描述了使用Σ-Δ测量技术来检测可测量电容的方法，系统和装置。 根据各种实施例，使用第一开关将电压施加到可测量电容。 允许可测量电容与无源网络共享电荷。 如果无源网络上的电荷超过阈值，则无源网络上的电荷可以通过已知的量改变足够数量的重复，直到可以检测到可测量的电容。 这种检测方案可以使用常规部件容易地实现，并且可以特别有用于相对于按钮，滑块，触摸板或其他输入传感器感测手指，触针或其它物体的位置。

公开(公告)号：US20090322355A1

公开(公告)日：2009-12-31

申请号：US12163678

申请日：2008-06-27

Applicant: Shawn P. Day ,  David Ely ,  Bob L. Mackey

Inventor： Shawn P. Day ,  David Ely ,  Bob L. Mackey

IPC: G01R27/08 ,  G06F15/00

CPC classification number: G06F3/044

Abstract: An object position sensing apparatus including a substrate, a conductive crossbar, and a plurality of resistive elements coupled to the crossbar is described. The resistive elements are coupled to circuitry that can apply an excitation signal, such as a voltage change, to the resistive elements. For each resistive element, an electrical effect responsive to the excitation signal, such as a change in charge flowing to the resistive element, is determined. When an object is proximate to the plurality of resistive elements, the electrical effects change, and a position of the object in one or multiple dimensions can be determined from changes in the electrical effects.

Abstract translation: 描述了一种包括衬底，导电横杆以及耦合到横杆的多个电阻元件的物体位置检测装置。 电阻元件耦合到可以向电阻元件施加诸如电压变化的激励信号的电路。 对于每个电阻元件，确定响应于激发信号的电效应，例如流向电阻元件的电荷的变化。 当物体靠近多个电阻元件时，电效应改变，并且可以根据电效应的变化来确定物体在一个或多个维度中的位置。

公开(公告)号：US20070075710A1

公开(公告)日：2007-04-05

申请号：US11606545

申请日：2006-11-30

Applicant: Kirk Hargreaves ,  Joseph Reynolds ,  David Ely ,  Julian Haines

Inventor： Kirk Hargreaves ,  Joseph Reynolds ,  David Ely ,  Julian Haines

IPC: G01R27/26 ,  G01R31/02

CPC classification number: G01R27/2605 ,  G01D5/24 ,  G06F3/0383 ,  G06F3/044 ,  H03J9/00 ,  H03K17/955 ,  H03K17/962 ,  H03K17/9622 ,  H03K2217/960725 ,  H03K2217/960775

Abstract: Methods, systems and devices are described for detecting a measurable capacitance using sigma-delta measurement techniques. According to various embodiments, a voltage is applied to the measurable capacitance using a first switch. The measurable capacitance is allowed to share charge with a passive network. If the charge on the passive network is past a threshold value, then the charge on the passive network is changed by a known amount for a sufficient number of repetitions until the measurable capacitance can be detected. Such a detection scheme may be readily implemented using conventional components, and can be particularly useful in sensing the position of a finger, stylus or other object with respect to a button, slider, touchpad or other input sensor.

Abstract translation: 描述了使用Σ-Δ测量技术来检测可测量电容的方法，系统和装置。 根据各种实施例，使用第一开关将电压施加到可测量电容。 允许可测量电容与无源网络共享电荷。 如果无源网络上的电荷超过阈值，则无源网络上的电荷可以通过已知的量改变足够数量的重复，直到可以检测到可测量的电容。 这种检测方案可以使用常规部件容易地实现，并且可以特别有用于相对于按钮，滑块，触摸板或其他输入传感器感测手指，触针或其它物体的位置。

公开(公告)号：US20070046299A1

公开(公告)日：2007-03-01

申请号：US11446324

申请日：2006-06-03

Applicant: Kirk Hargreaves ,  Joseph Reynolds ,  David Ely ,  Julian Haines

Inventor： Kirk Hargreaves ,  Joseph Reynolds ,  David Ely ,  Julian Haines

IPC: G01R27/26

CPC classification number: G01R27/2605

Abstract: Methods, systems and devices are described for detecting a measurable capacitance using sigma-delta measurement techniques. According to various embodiments, a voltage is applied to the measurable capacitance using a first switch. The measurable capacitance is allowed to share charge with a passive network. If the charge on the passive network is past a threshold value, then the charge on the passive network is changed by a known amount for a sufficient number of repetitions until the measurable capacitance can be detected. Such a detection scheme may be readily implemented using conventional components, and can be particularly useful in sensing the position of a finger, stylus or other object with respect to a button, slider, touchpad or other input sensor.

公开(公告)号：US07133793B2

公开(公告)日：2006-11-07

申请号：US10896917

申请日：2004-07-23

Applicant: David Ely ,  Gareth McCaughan

Inventor： David Ely ,  Gareth McCaughan

IPC: G01C19/00

CPC classification number: G06F3/046

Abstract: A calibration system is provided for use in generating calibration data for calibrating an X-Y digitiser. The calibration system uses an alignment head having an array of magnetic field generators which are for alignment with the X-Y digitiser. Each of the magnetic field generators is individually drivable so that calibration data can be obtained for different positions on the X-Y digitiser corresponding to the positions of the magnetic field generators in the array. The resulting calibration data is then used to generate a correction map which is stored in the X-Y digitiser

Abstract translation: 提供校准系统用于生成用于校准X-Y数字转换器的校准数据。 校准系统使用具有用于与X-Y数字转换器对准的磁场发生器阵列的对准头。 每个磁场发生器可单独地驱动，使得可以针对与阵列中的磁场发生器的位置相对应的X-Y数字化仪上的不同位置获得校准数据。 然后将所得到的校准数据用于产生存储在X-Y数字切换器中的校正图