公开(公告)号：US09965100B2

公开(公告)日：2018-05-08

申请号：US15443584

申请日：2017-02-27

Applicant: Apple Inc.

Inventor： Christoph Horst Krah ,  Minh-Dieu Thi Vu

IPC: G09G5/00 ,  G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/048 ,  G06F2203/04104 ,  G06F2203/04106 ,  G06F2203/04108

Abstract: A sensor panel device that can generate and use a stimulus signal having multiple different waveforms for detecting events on or near the sensor panel is disclosed. Among other things, such a stimulus signal can be used to reject environmental noise present in the device. In some embodiments, the stimulus signal has multiple waveforms having different frequencies. Logic circuitry can generate representative values from output of the different waveforms applied to one or more sensing nodes in the sensor panel device. From the representative values, a final value can be generated that represents whether an event occurred at or near the one or more sensing nodes.

公开(公告)号：US09383843B2

公开(公告)日：2016-07-05

申请号：US14455604

申请日：2014-08-08

Applicant: Apple Inc.

Inventor： Christoph H. Krah ,  Minh-Dieu Thi Vu ,  Thomas James Wilson

IPC: G09G5/00 ,  G06F3/041 ,  G06F1/32 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F1/3203 ,  G06F1/3262 ,  G06F3/041 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04104

Abstract: A system and method for autonomously scanning a sensor panel device is disclosed. A sensor panel processor can be disabled after a first predetermined amount of time has elapsed without the sensor panel device sensing any events. One or more system clocks can also be disabled to conserve power. While the processor and one or more system clocks are disabled, the sensor panel device can periodically autonomously scan the sensor panel for touch activity. If one or more results from the autonomous scans exceed a threshold, the sensor panel device re-enables the processor and one or more clocks to actively scan the sensor panel. If the threshold is not exceeded, the sensor panel device continues to periodically autonomously scan the sensor panel without intervention from the processor. The sensor panel device can periodically perform calibration functions to account for any drift that may be present in the system.

公开(公告)号：US20160266718A1

公开(公告)日：2016-09-15

申请号：US15158461

申请日：2016-05-18

Applicant: Apple Inc.

Inventor： Thomas James WILSON ,  Christoph H. Krah ,  Minh-Dieu Thi Vu

IPC: G06F3/041

CPC classification number: G06F3/0418 ,  G06F3/0416

Abstract: A channel scan architecture for detecting touch events on a touch sensor panel is disclosed. The channel scan architecture can combine drive logic, sense channels and channel scan logic on a single monolithic chip. The channel scan logic can be configured to implement a sequence of scanning processes in a panel subsystem without intervention from a panel processor. The channel scan architecture can provide scan sequence control to enable the panel processor to control the sequence in which individual scans are implemented in the panel subsystem. Type of scans that can be implemented in the panel subsystem can include a spectral analysis scan, touch scan, phantom touch scan, ambient light level scan, proximity scan and temperature scan.

Abstract translation: 公开了一种用于检测触摸传感器面板上的触摸事件的通道扫描架构。 通道扫描架构可以在单个单片芯片上组合驱动逻辑，感测通道和通道扫描逻辑。 信道扫描逻辑可被配置为在面板子系统中实现扫描过程的序列，而无需面板处理器的干预。 通道扫描架构可以提供扫描序列控制，以使面板处理器能够控制在面板子系统中实现单个扫描的顺序。 可以在面板子系统中实现的扫描类型可以包括光谱分析扫描，触摸扫描，幻影触摸扫描，环境光级别扫描，邻近扫描和温度扫描。

公开(公告)号：US09268450B2

公开(公告)日：2016-02-23

申请号：US14561075

申请日：2014-12-04

Applicant: Apple Inc.

Inventor： Christoph Horst Krah ,  Minh-Dieu Thi Vu

IPC: G09G5/00 ,  G06F3/044 ,  G06F3/0354 ,  G06F3/048

CPC classification number: G06F3/0418 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/048 ,  G06F2203/04104 ,  G06F2203/04106 ,  G06F2203/04108

Abstract: A sensor panel device that can generate and use a stimulus signal having multiple different waveforms for detecting events on or near the sensor panel is disclosed. Among other things, such a stimulus signal can be used to reject environmental noise present in the device. In some embodiments, the stimulus signal has multiple waveforms having different frequencies. Logic circuitry can generate representative values from output of the different waveforms applied to one or more sensing nodes in the sensor panel device. From the representative values, a final value can be generated that represents whether an event occurred at or near the one or more sensing nodes.

Abstract translation: 公开了一种传感器面板装置，其可以生成并使用具有多个不同波形的刺激信号来检测传感器面板上或附近的事件。 除此之外，这种刺激信号可以用于排除设备中存在的环境噪声。 在一些实施例中，刺激信号具有不同频率的多个波形。 逻辑电路可以从施加到传感器面板装置中的一个或多个感测节点的不同波形的输出产生代表性值。 根据代表值，可以生成表示在一个或多个感测节点处或附近发生事件的最终值。

公开(公告)号：US09063601B2

公开(公告)日：2015-06-23

申请号：US14448893

申请日：2014-07-31

Applicant: Apple Inc.

Inventor： Minh-Dieu Thi Vu ,  Thomas James Wilson ,  Christoph H. Krah

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F1/3262 ,  G06F3/03545 ,  G06F3/041 ,  G06F3/044 ,  G06F2203/04104

Abstract: A device that can autonomously scan a sensor panel is disclosed. Autonomous scanning can be performed by implementing channel scan logic. In one embodiment, channel scan logic carries out many of the functions that a processor would normally undertake, including generating timing sequences and obtaining result data; comparing scan result data against a threshold value (e.g., in an auto-scan mode); generating row count; selecting one or more scanning frequency bands; power management control; and performing an auto-scan routine in a low power mode.

Abstract translation: 公开了一种能够自主扫描传感器面板的装置。 可以通过实现信道扫描逻辑来执行自主扫描。 在一个实施例中，信道扫描逻辑执行处理器通常将承担的许多功能，包括产生定时序列和获得结果数据; 将扫描结果数据与阈值进行比较（例如，以自动扫描模式）; 生成行数; 选择一个或多个扫描频带; 电源管理控制; 并以低功率模式执行自动扫描程序。

公开(公告)号：US11592948B2

公开(公告)日：2023-02-28

申请号：US17480905

申请日：2021-09-21

Applicant: Apple Inc.

Inventor： Minh-Dieu Thi Vu ,  Thomas James Wilson ,  Christoph H. Krah

IPC: G06F3/044 ,  G06F3/0354 ,  G06F3/041 ,  G06F1/3234

Abstract: A device that can autonomously scan a sensor panel is disclosed. Autonomous scanning can be performed by implementing channel scan logic. In one embodiment, channel scan logic carries out many of the functions that a processor would normally undertake, including generating timing sequences and obtaining result data; comparing scan result data against a threshold value (e.g., in an auto-scan mode); generating row count; selecting one or more scanning frequency bands; power management control; and performing an auto-scan routine in a low power mode.

公开(公告)号：US11132097B2

公开(公告)日：2021-09-28

申请号：US16882625

申请日：2020-05-25

Applicant: Apple Inc.

Inventor： Minh-Dieu Thi Vu ,  Thomas James Wilson ,  Christoph H. Krah

IPC: G06F3/044 ,  G06F3/0354 ,  G06F3/041 ,  G06F1/3234

Abstract: A device that can autonomously scan a sensor panel is disclosed. Autonomous scanning can be performed by implementing channel scan logic. In one embodiment, channel scan logic carries out many of the functions that a processor would normally undertake, including generating timing sequences and obtaining result data; comparing scan result data against a threshold value (e.g., in an auto-scan mode); generating row count; selecting one or more scanning frequency bands; power management control; and performing an auto-scan routine in a low power mode.

公开(公告)号：US10712866B2

公开(公告)日：2020-07-14

申请号：US15176008

申请日：2016-06-07

Applicant: Apple Inc.

Inventor： Christoph H. Krah ,  Minh-Dieu Thi Vu ,  Thomas James Wilson

IPC: G09G5/00 ,  G06F3/041 ,  G06F1/3203 ,  G06F1/3234 ,  G06F3/044

Abstract: A system and method for autonomously scanning a sensor panel device is disclosed. A sensor panel processor can be disabled after a first predetermined amount of time has elapsed without the sensor panel device sensing any events. One or more system clocks can also be disabled to conserve power. While the processor and one or more system clocks are disabled, the sensor panel device can periodically autonomously scan the sensor panel for touch activity. If one or more results from the autonomous scans exceed a threshold, the sensor panel device re-enables the processor and one or more clocks to actively scan the sensor panel. If the threshold is not exceeded, the sensor panel device continues to periodically autonomously scan the sensor panel without intervention from the processor. The sensor panel device can periodically perform calibration functions to account for any drift that may be present in the system.

公开(公告)号：US10664095B2

公开(公告)日：2020-05-26

申请号：US16039216

申请日：2018-07-18

Applicant: Apple Inc.

Inventor： Minh-Dieu Thi Vu ,  Thomas James Wilson ,  Christoph H. Krah

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/044 ,  G06F1/3234

Abstract: A device that can autonomously scan a sensor panel is disclosed. Autonomous scanning can be performed by implementing channel scan logic. In one embodiment, channel scan logic carries out many of the functions that a processor would normally undertake, including generating timing sequences and obtaining result data; comparing scan result data against a threshold value (e.g., in an auto-scan mode); generating row count; selecting one or more scanning frequency bands; power management control; and performing an auto-scan routine in a low power mode.

公开(公告)号：US11194423B2

公开(公告)日：2021-12-07

申请号：US16911212

申请日：2020-06-24

Applicant: Apple Inc.

Inventor： Christoph H. Krah ,  Minh-Dieu Thi Vu ,  Thomas James Wilson

IPC: G09G5/00 ,  G06F3/041 ,  G06F1/3203 ,  G06F1/3234 ,  G06F3/044

Abstract: A system and method for autonomously scanning a sensor panel device is disclosed. A sensor panel processor can be disabled after a first predetermined amount of time has elapsed without the sensor panel device sensing any events. One or more system clocks can also be disabled to conserve power. While the processor and one or more system clocks are disabled, the sensor panel device can periodically autonomously scan the sensor panel for touch activity. If one or more results from the autonomous scans exceed a threshold, the sensor panel device re-enables the processor and one or more clocks to actively scan the sensor panel. If the threshold is not exceeded, the sensor panel device continues to periodically autonomously scan the sensor panel without intervention from the processor. The sensor panel device can periodically perform calibration functions to account for any drift that may be present in the system.