公开(公告)号：US20170315653A1

公开(公告)日：2017-11-02

申请号：US15143476

申请日：2016-04-29

Applicant: SYNAPTICS INCORPORATED

Inventor： Tom VANDERMEIJDEN ,  Tetsuo TANEMURA ,  Koji KOKUBU

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/045

CPC classification number: G06F3/0416 ,  G06F3/0414 ,  G06F3/044

Abstract: An input device described herein includes at least one hybrid electrode that is used to perform both capacitive sensing to detect an input object (e.g., a finger or stylus) and force sensing to determine the force applied by the input object on the input device. During a first time period, the input device drives a modulated signal on one more capacitive sensor electrodes to perform capacitive sensing. However, during a second time period, the input device drives a DC voltage across one or more of the capacitive sensor electrodes to perform force sensing. In one example, during the first time period, the input device drives the modulated signal on transmitter electrodes and measures resulting signals on receiver electrodes. During the second time period, however, the input device may drive the DC voltage across the transmitter or receiver electrodes to measure a force applied by the input object.

公开(公告)号：US20190025955A1

公开(公告)日：2019-01-24

申请号：US15653372

申请日：2017-07-18

Applicant: SYNAPTICS INCORPORATED

Inventor： Tom VANDERMEIJDEN

IPC: G06F3/044 ,  G06F3/041 ,  G06F3/0481 ,  G06F3/0488

CPC classification number: G06F3/044 ,  G06F3/0414 ,  G06F3/0416 ,  G06F3/04817 ,  G06F3/04886

Abstract: A method and associated processing system and input device are disclosed, the method comprising acquiring capacitive measurements using individual electrodes of a plurality of first sensor electrodes and a plurality of second sensor electrodes. The first sensor electrodes are formed of a first material having a positive gauge factor, and the second sensor electrodes are formed of a second material having a negative gauge factor. The method further comprises selectively forming one or more bridge circuits using the first sensor electrodes and the second sensor electrodes; and acquiring force measurements using the one or more bridge circuits.

公开(公告)号：US20150378496A1

公开(公告)日：2015-12-31

申请号：US14319605

申请日：2014-06-30

Applicant: Synaptics Incorporated

Inventor： Tom VANDERMEIJDEN ,  Masaaki SHIOMURA

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F2203/04108

Abstract: In an example, a processing system for a capacitive input device includes: a sensor module including sensor circuitry the sensor module configured to: operate a plurality of sensor electrodes to determine input in a sensing region of the input device; a determination module configured to: determine that an input surface of the input device is at least partially interfacing a uniform conductor; and determine a displacement of at least part of the uniform conductor from a region of the input surface by an input object based at least in part on a change in capacitance measured on a subset of the plurality of sensor electrodes; determine at least one of a presence or position of the at least one input object on the input surface based on the determined displacement.

Abstract translation: 在一个示例中，用于电容性输入设备的处理系统包括：传感器模块，包括传感器电路，传感器模块被配置为：操作多个传感器电极以确定输入设备的感测区域中的输入; 确定模块，被配置为：确定所述输入装置的输入表面至少部分地界定均匀导体; 并且至少部分地基于在所述多个传感器电极的子集上测量的电容的变化来确定输入物体的来自输入表面的区域的至少一部分均匀导体的位移; 基于所确定的位移来确定输入表面上的至少一个输入对象的存在或位置中的至少一个。

公开(公告)号：US20150015539A1

公开(公告)日：2015-01-15

申请号：US14327530

申请日：2014-07-09

Applicant: Synaptics Incorporated

Inventor： Nickolas FOTOPOULOS ,  Joseph Kurth REYNOLDS ,  Tom VANDERMEIJDEN

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0416

Abstract: In a method of managing baselines of a capacitive sensing input device, a transcapacitive baseline, a first absolute capacitive baseline, and a second absolute capacitive baseline are acquired with a plurality of sensor electrodes of the capacitive sensing input device. A transcapacitive image, a first absolute capacitive profile, and a second absolute capacitive profile are acquired with the plurality of sensor electrodes. The transcapacitive baseline, the first absolute capacitive baseline, and the second absolute capacitive baseline are managed based on a value of at least one of the first absolute capacitive profile and the second absolute capacitive profile.

Abstract translation: 在管理电容式感测输入装置的基线的方法中，利用电容式感测输入装置的多个传感器电极来获取转折基线，第一绝对电容基准线和第二绝对电容基线。 利用多个传感器电极获取转录图像，第一绝对电容分布和第二绝对电容分布。 基于第一绝对电容曲线和第二绝对电容曲线中的至少一个的值来管理转折基线，第一绝对电容基线和第二绝对电容基线。

公开(公告)号：US20200379591A1

公开(公告)日：2020-12-03

申请号：US16999762

申请日：2020-08-21

Applicant: SYNAPTICS INCORPORATED

Inventor： Joseph Kurth REYNOLDS ,  Tom VANDERMEIJDEN ,  Tetsuo TANEMURA

IPC: G06F3/044 ,  G06F3/041

Abstract: Embodiments described herein include an input device and associated processing system for sensing force applied by input objects. The input device comprises a display device comprising a plurality of layers formed as a display stack, the display stack including a top surface. The input device further comprises one or more strain gauges disposed within the display stack and configured to detect force applied to the top surface, and a processing system configured to perform display updating using the display device and to perform force sensing using the one or more strain gauges.

公开(公告)号：US20170315658A1

公开(公告)日：2017-11-02

申请号：US15332822

申请日：2016-10-24

Applicant: SYNAPTICS INCORPORATED

Inventor： Tom VANDERMEIJDEN ,  Tetsuo TANEMURA ,  Koji KOKUBU

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0414 ,  G06F3/044 ,  G06F2203/04104 ,  G06F2203/04106

Abstract: An input device described herein includes at least one dual purpose electrode that is used to perform both capacitive sensing to detect an input object (e.g., a finger or stylus) and force sensing to determine the force applied by the input object on the input device. During a first time period, the input device performs capacitive sensing using a first electrode of the plurality of sensor electrodes. However, during a second time period, the input device excites the first electrode and measures a resistance corresponding to the first electrode. The input device determines a force applied by an input object on the input device based on the measured resistance.

公开(公告)号：US20170277296A1

公开(公告)日：2017-09-28

申请号：US15199464

申请日：2016-06-30

Applicant: SYNAPTICS INCORPORATED

Inventor： Joseph Kurth REYNOLDS ,  Tom VANDERMEIJDEN ,  Tetsuo TANEMURA

IPC: G06F3/044 ,  G06F3/041

Abstract: Embodiments described herein include an input device and associated processing system for sensing force applied by input objects. The input device comprises a display device comprising a plurality of layers formed as a display stack, the display stack including a top surface. The input device further comprises one or more strain gauges disposed within the display stack and configured to detect force applied to the top surface, and a processing system configured to perform display updating using the display device and to perform force sensing using the one or more strain gauges.