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1. 发明申请

US20110037735A1 FULL SCALE CALIBRATION MEASUREMENT FOR MULTI-TOUCH SURFACES 有权
标题翻译：用于多触摸表面的全尺寸校准测量
公开(公告)号：US20110037735A1
公开(公告)日：2011-02-17
申请号：US12905878
申请日：2010-10-15
申请人： Brian Richards LAND , Steve Porter Hotelling , Richard Wei Kwang Lim
发明人： Brian Richards LAND , Steve Porter Hotelling , Richard Wei Kwang Lim
IPC分类号： G06F3/041
CPC分类号： G06F3/0418
摘要： Normalization of regions of a sensor panel capable of detecting multi-touch events, or a sensor panel capable of detecting multi-hover events, is disclosed to enable each sensor in the sensor panel to trigger a virtual button in a similar manner, given the same amount of touch or hover. Each sensor produces an output value proportional to the level or amount of touch or hover. However, due to processing, manufacturing and physical design differences, the sensor output values can vary from region to region or panel to panel for a given amount of touch or hover. To normalize the sensor output values across regions, gain and offset information can be obtained in advance, stored in nonvolatile memory, and later used to normalize the sensor output values so that all regions in the sensor panel can trigger virtual buttons similarly, providing a uniform “response function” at any location on the sensor panel.
摘要翻译：公开了能够检测多触摸事件的传感器面板的区域的归一化，或者能够检测多悬停事件的传感器面板，以使得传感器面板中的每个传感器能够以类似的方式触发虚拟按钮，给定相同的方式触摸量或悬停量。每个传感器产生与触摸或悬停的水平或数量成比例的输出值。然而，由于处理，制造和物理设计差异，传感器输出值可以在给定量的触摸或悬停之间因地区或面板到面板而变化。为了在区域之间规范化传感器输出值，可以提前获得增益和偏移信息，存储在非易失性存储器中，然后用于归一化传感器输出值，以便传感器面板中的所有区域可以类似地触发虚拟按钮，从而提供均匀传感器面板上任何位置的“响应功能”。

2. 发明申请

US20110181549A1 DOUBLE-SIDED TOUCH-SENSITIVE PANEL WITH SHIELD AND DRIVE COMBINED LAYER 有权
标题翻译：双面触感敏感面板，带屏蔽和驱动组合层
公开(公告)号：US20110181549A1
公开(公告)日：2011-07-28
申请号：US13078789
申请日：2011-04-01
申请人： Steve Porter HOTELLING , Brian Richards LAND
发明人： Steve Porter HOTELLING , Brian Richards LAND
IPC分类号： G09G3/36 , G06F3/045
CPC分类号： G06F3/0416 , G02F1/13338 , G02F2001/133342 , G06F1/1692 , G06F3/0412 , G06F3/044 , G06F3/047 , G06F2203/04103 , G06F2203/04104 , G06F2203/04107 , G09G5/003 , G09G2300/04
摘要： A multi-touch capacitive touch sensor panel can be created using a substrate with column and row traces formed on either side of the substrate. To shield the column (sense) traces from the effects of capacitive coupling from a modulated Vcom layer in an adjacent liquid crystal display (LCD) or any source of capacitive coupling, the row traces can be widened to shield the column traces, and the row traces can be placed closer to the LCD. In particular, the rows can be widened so that there is spacing of about 30 microns between adjacent row traces. In this manner, the row traces can serve the dual functions of driving the touch sensor panel, and also the function of shielding the more sensitive column (sense) traces from the effects of capacitive coupling.
摘要翻译：可以使用在衬底的任一侧上形成有列和行迹线的衬底来创建多点触摸电容式触摸传感器面板。为了屏蔽来自相邻液晶显示器（LCD）或任何电容耦合源的调制Vcom层的电容耦合效应的列（感测）迹线，可以扩大行迹线以屏蔽列迹线，并且行迹线可以靠近LCD放置。特别地，可以加宽行，使得在相邻行迹线之间存在约30微米的间隔。以这种方式，行迹线可以用于驱动触摸传感器面板的双重功能，以及屏蔽更敏感的列（感测）迹线与电容耦合效应的功能。

3. 发明申请

US20120062493A1 STORING BASELINE INFORMATION IN EEPROM 有权
标题翻译：在EEPROM中存储基线信息
公开(公告)号：US20120062493A1
公开(公告)日：2012-03-15
申请号：US13298227
申请日：2011-11-16
申请人： Brian Richards LAND , Wayne Carl Westerman , Steve Porter Hotelling
发明人： Brian Richards LAND , Wayne Carl Westerman , Steve Porter Hotelling
IPC分类号： G06F3/041
CPC分类号： G06F3/044 , G06F3/041 , G06F3/0418 , G06F2203/04104 , G06F2203/04108
摘要： Pre-stored no-touch or no-hover (no-event) sensor output values can initially be used when a sensor panel subsystem is first booted up to establish an initial baseline of sensor output values unaffected by fingers or other objects touching or hovering over the sensor panel during boot-up. This initial baseline can then be normalized so that each sensor generates the same output value for a given amount of touch or hover, providing a uniform response across the sensor panel and enabling subsequent touch or hover events to be more easily detected. After the initial normalization process is complete, the pre-stored baseline can be discarded in favor of a newly captured no-event baseline that may be more accurate than the pre-stored baseline due to temperature or other variations.
摘要翻译：传感器面板子系统首次启动时，最初可以使用预先存储的无触摸或无悬停（无事件）传感器输出值，以建立传感器输出值的初始基线，不受手指或其他触摸或悬停的物体的影响启动期间的传感器面板。然后可以对该初始基线进行归一化，使得每个传感器为给定量的触摸或悬停生成相同的输出值，从而在传感器面板上提供均匀的响应，并使得能够更容易地检测到随后的触摸或悬停事件。在初始归一化过程完成之后，可以丢弃预先存储的基线，以利于新捕获的无事件基线，由于温度或其他变化，可能比预先存储的基线更准确。

4. 发明申请

US20120038581A1 FRONT-END SIGNAL COMPENSATION 有权
标题翻译：前端信号补偿
公开(公告)号：US20120038581A1
公开(公告)日：2012-02-16
申请号：US13284732
申请日：2011-10-28
申请人： Steve Porter HOTELLING , Brian Richards LAND
发明人： Steve Porter HOTELLING , Brian Richards LAND
IPC分类号： G06F3/041
CPC分类号： G06F3/0418 , G06F3/044 , G06F2203/04104 , G06F2203/04107
摘要： A touch surface device having improved sensitivity and dynamic range is disclosed. In one embodiment, the touch surface device includes a touch-sensitive panel having at least one sense node for providing an output signal indicative of a touch or no-touch condition on the panel; a compensation circuit, coupled to the at least one sense node, for generating a compensation signal that when summed with the output signal removes an undesired portion of the output signal so as to generated a compensated output signal; and an amplifier having an inverting input coupled to the output of the compensation circuit and a non-inverting input coupled to a known reference voltage.
摘要翻译：公开了具有改善的灵敏度和动态范围的触摸表面装置。在一个实施例中，触摸表面设备包括具有至少一个感测节点的触摸敏感面板，用于在面板上提供指示触摸或无触摸状态的输出信号; 耦合到所述至少一个感测节点的补偿电路，用于产生当与所述输出信号相加时消除所述输出信号的不期望部分以产生经补偿的输出信号的补偿信号; 以及放大器，其具有耦合到所述补偿电路的输出的反相输入和耦合到已知参考电压的非反相输入。

5. 发明申请

US20110015889A1 Storing Baseline Information in Eeprom 有权
标题翻译：在Eeprom中存储基线信息
公开(公告)号：US20110015889A1
公开(公告)日：2011-01-20
申请号：US12890274
申请日：2010-09-24
申请人： Brian Richards LAND , Wayne Carl WESTERMAN , Steve Porter HOTELLING
发明人： Brian Richards LAND , Wayne Carl WESTERMAN , Steve Porter HOTELLING
IPC分类号： G06F19/00
CPC分类号： G06F3/044 , G06F3/041 , G06F3/0418 , G06F2203/04104 , G06F2203/04108
摘要： Pre-stored no-touch or no-hover (no-event) sensor output values can initially be used when a sensor panel subsystem is first booted up to establish an initial baseline of sensor output values unaffected by fingers or other objects touching or hovering over the sensor panel during boot-up. This initial baseline can then be normalized so that each sensor generates the same output value for a given amount of touch or hover, providing a uniform response across the sensor panel and enabling subsequent touch or hover events to be more easily detected. After the initial normalization process is complete, the pre-stored baseline can be discarded in favor of a newly captured no-event baseline that may be more accurate than the pre-stored baseline due to temperature or other variations.
摘要翻译：传感器面板子系统首次启动时，最初可以使用预先存储的无触摸或无悬停（无事件）传感器输出值，以建立传感器输出值的初始基线，不受手指或其他触摸或悬停的物体的影响启动期间的传感器面板。然后可以对该初始基线进行归一化，使得每个传感器为给定量的触摸或悬停生成相同的输出值，从而在传感器面板上提供均匀的响应，并使得能够更容易地检测到随后的触摸或悬停事件。在初始归一化过程完成之后，可以丢弃预先存储的基线，以利于新捕获的无事件基线，由于温度或其他变化，可能比预先存储的基线更准确。

6. 发明申请

US20110006832A1 Negative Pixel Compensation 有权
标题翻译：负像素补偿
公开(公告)号：US20110006832A1
公开(公告)日：2011-01-13
申请号：US12500870
申请日：2009-07-10
申请人： Brian Richards LAND , Marduke YOUSEFPOR , Steven Porter HOTELLING
发明人： Brian Richards LAND , Marduke YOUSEFPOR , Steven Porter HOTELLING
IPC分类号： H03K17/96
CPC分类号： G06F3/044 , G06F3/0418 , G06F2203/04104
摘要： Negative pixel compensation in a touch sensitive device is disclosed. The device can compensate for a negative pixel effect in touch signal outputs due to poor grounding of an object touching the device. To do so, the device can switch to a configuration to measure the grounding condition of the touching object and use the measurement to compensate the touch output values from the device accordingly. In the switched configuration, a first set of lines of the device can be switched between a coupling to a stimulation signal input to drive the device, a coupling to a capacitance signal output to output a signal indicative of the object's grounding condition, and a coupling to ground. A second set of lines of the device can be coupled to a touch signal output to output a signal indicative of the object's touch at the device. In addition or alternatively, in the switched configuration, the first set of lines of the device can be switched to function as the second set of lines and vice versa. The grounding signal can be applied to the touch signal to compensate for the negative pixel effect.
摘要翻译：公开了触敏装置中的负像素补偿。由于接触设备的物体接地不良，该装置可以补偿触摸信号输出中的负像素效应。为此，设备可以切换到配置以测量触摸对象的接地状态，并使用测量值相应地补偿设备的触摸输出值。在切换配置中，设备的第一组线路可以在耦合到输入的刺激信号以驱动设备之间切换，耦合到电容信号输出以输出指示对象的接地状态的信号，以及耦合到地面设备的第二组线可以耦合到触摸信号输出以输出指示对象在设备处的触摸的信号。另外或替代地，在切换配置中，设备的第一组线路可以被切换以用作第二组线路，反之亦然。接地信号可以应用于触摸信号来补偿负像素效应。

7. 发明申请

US20110007021A1 TOUCH AND HOVER SENSING 有权
标题翻译：触摸和盖帽感应
公开(公告)号：US20110007021A1
公开(公告)日：2011-01-13
申请号：US12501382
申请日：2009-07-10
申请人： Jeffrey Traer BERNSTEIN , David T. AMM , Omar LEUNG , Christopher Tenzin MULLENS , Brian Michael KING , Brian Richards LAND , Reese T. CUTLER
发明人： Jeffrey Traer BERNSTEIN , David T. AMM , Omar LEUNG , Christopher Tenzin MULLENS , Brian Michael KING , Brian Richards LAND , Reese T. CUTLER
IPC分类号： G06F3/044 , G06F3/01
CPC分类号： G06F3/0416 , G06F3/044 , G06F3/04817 , G06F3/04845 , G06F3/0486 , G06F2203/04101
摘要： Improved capacitive touch and hover sensing with a sensor array is provided. An AC ground shield positioned behind the sensor array and stimulated with signals of the same waveform as the signals driving the sensor array may concentrate the electric field extending from the sensor array and enhance hover sensing capability. The hover position and/or height of an object that is nearby, but not directly above, a touch surface of the sensor array, e.g., in the border area at the end of a touch screen, may be determined using capacitive measurements of sensors near the end of the sensor array by fitting the measurements to a model. Other improvements relate to the joint operation of touch and hover sensing, such as determining when and how to perform touch sensing, hover sensing, both touch and hover sensing, or neither.
摘要翻译：提供了改进的电容式触摸和悬停感测与传感器阵列。定位在传感器阵列后面并用与驱动传感器阵列的信号相同波形的信号刺激的AC接地屏蔽可以集中从传感器阵列延伸的电场并增强悬停感测能力。传感器阵列的触摸表面（例如在触摸屏末端的边界区域）附近但不是直接在上方的物体的悬停位置和/或高度可以使用接近的传感器的电容测量来确定传感器阵列的末端通过将测量值拟合到模型中。其他改进涉及触摸和悬停感测的联合操作，例如确定何时以及如何执行触摸感测，悬停感测，触摸和悬停检测，或两者皆不一致。

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