公开(公告)号：US20190095006A1

公开(公告)日：2019-03-28

申请号：US16114023

申请日：2018-08-27

Applicant: Apple Inc.

Inventor： Shahrooz SHAHPARNIA ,  Christopher Tenzin MULLENS ,  Martin Paul GRUNTHANER ,  Adam GEBOFF ,  Vivek PANT ,  Marduke YOUSEFPOR ,  Christoph H. KRAH ,  Shwetabh VERMA ,  Sumant RANGANATHAN

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

Abstract: Power consumption of touch sensing operations for touch sensitive devices can be reduced by implementing a coarse scan (e.g., banked common mode scan) to coarsely detect the presence or absence of an object touching or proximate to a touch sensor panel and the results of the coarse scan can be used to dynamically adjust the operation of the touch sensitive device to perform or not perform a fine scan (e.g., targeted active mode scan). In some examples, the results of the coarse scan can be used to program a touch controller for the next touch sensing frame to idle when no touch event is detected or to perform a fine scan when one or more touch events are detected. In some examples, the results of the coarse scan can be used to abort a scheduled fine scan during the current touch sensing frame when no touch event is detected.

公开(公告)号：US20160162102A1

公开(公告)日：2016-06-09

申请号：US14869982

申请日：2015-09-29

Applicant: Apple Inc.

Inventor： Shahrooz SHAHPARNIA ,  Christopher Tenzin MULLENS ,  Martin Paul GRUNTHANER ,  Adam GEBOFF

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/044 ,  G06F1/3215 ,  G06F1/3262 ,  G06F3/0416 ,  G06F2203/04101

Abstract: Power consumption of touch sensing operations for touch sensitive devices can be reduced by implementing a coarse scan (e.g., banked common mode scan) to coarsely detect the presence or absence of an object touching or proximate to a touch sensor panel and the results of the coarse scan can be used to dynamically adjust the operation of the touch sensitive device to perform or not perform a fine scan (e.g., targeted active mode scan). In some examples, the results of the coarse scan can be used to program a touch controller for the next touch sensing frame to idle when no touch event is detected or to perform a fine scan when one or more touch events are detected. In some examples, the results of the coarse scan can be used to abort a scheduled fine scan during the current touch sensing frame when no touch event is detected.

Abstract translation: 可以通过实施粗略扫描（例如，共享共模扫描）来粗略地检测触摸或接近触摸传感器面板的物体的存在或不存在，并且粗略地检测触摸感测装置的触摸感测操作的结果 扫描可用于动态调整触敏设备的操作以执行或不执行精细扫描（例如，目标主动模式扫描）。 在一些示例中，当没有检测到触摸事件时，可以使用粗略扫描的结果来编程用于下一触摸感测帧的触摸控制器空闲，或者当检测到一个或多个触摸事件时执行精细扫描。 在一些示例中，当没有检测到触摸事件时，粗略扫描的结果可以用于在当前触摸感测帧期间中止预定的精细扫描。