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公开(公告)号：US20240377907A1
公开(公告)日：2024-11-14
申请号：US18643808
申请日：2024-04-23
Applicant: Synaptics Incorporated
Inventor： Guozhong Shen , Tom Vandermeijden , Ching-Hsung Wang
Abstract: A system and method for capacitive sensing using an input device are provided. The input device includes a display, a touch sensor and a processing system. The touch sensor has a plurality of transmitter electrodes with a first subset of positive transmitter electrodes driven by a positive sensing signal and a second subset of negative transmitter electrodes driven by a negative sensing signal. Each positive transmitter electrode spatially alternates with a negative transmitter electrode of the second subset of negative transmitter electrodes. The touch sensor includes a plurality of receiver electrodes arranged in differential pairs. Each differential pair includes a positive receiver electrode coupled to at least one of the first subset of positive transmitter electrodes and a negative receiver electrode coupled to at least one of the second subset of negative transmitter electrodes. The processing system transmits the positive sensing signal and the negative sensing signal, and receives a first resulting signal from the positive receiver electrode and a second resulting signal from the negative receiver electrode. The first resulting signal and the second resulting signal are combined to mitigate noise.
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公开(公告)号：US20240211075A1
公开(公告)日：2024-06-27
申请号：US18598852
申请日：2024-03-07
Applicant: Synaptics Incorporated
Inventor： Tom Vandermeijden , Guozhong Shen , Ching-Hsung Wang
IPC: G06F3/041 , G06F3/0354 , G06F3/044
CPC classification number: G06F3/04186 , G06F3/03545 , G06F3/0442 , G06F3/0446
Abstract: A method of capacitive sensing includes obtaining a capacitive touch profile from multiple receiver electrodes disposed in a sensing region of an input device and obtaining an active pen profile, different from the capacitive touch profile, from the multiple receiver electrodes. The method also includes adjusting, using the capacitive touch profile, the active pen profile to obtain a corrected active pen profile and determining a position of an active pen in the sensing region, using the corrected active pen profile.
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公开(公告)号：US20230027365A1
公开(公告)日：2023-01-26
申请号：US17750292
申请日：2022-05-20
Applicant: Synaptics Incorporated
Inventor： Tom Vandermeijden , Guozhong Shen , Ching-Hsung Wang
IPC: G06F3/041 , G06F3/044 , G06F3/0354
Abstract: A method of capacitive sensing includes obtaining a capacitive touch profile from multiple receiver electrodes disposed in a sensing region of an input device and obtaining an active pen profile, different from the capacitive touch profile, from the multiple receiver electrodes. The method also includes adjusting, using the capacitive touch profile, the active pen profile to obtain a corrected active pen profile and determining a position of an active pen in the sensing region, using the corrected active pen profile.
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公开(公告)号：US11494023B2
公开(公告)日：2022-11-08
申请号：US17235190
申请日：2021-04-20
Applicant: Synaptics Incorporated
Inventor： Tom Vandermeijden
Abstract: A processing system includes sensor circuitry and processing circuitry. The sensor circuitry is configured to, using the sensor electrodes, obtain capacitive measurements of a sensing region, and obtain a resistance measurement of the sensing region. The processing circuitry is coupled to the sensor circuitry. The processing circuitry is configured to determine a location of an input object using the capacitive measurements of the sensing region; and determine a force value based on the resistance measurement and the location of the input object. Determining the force value mitigates a temperature variation of the sensing region affecting the resistance measurement. The processing circuitry is further configured to report the force value.
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公开(公告)号：US10203806B2
公开(公告)日：2019-02-12
申请号：US15411611
申请日：2017-01-20
Applicant: Synaptics Incorporated
Inventor： Tom Vandermeijden
Abstract: A processing system for a capacitive sensing device includes a sensor module and a determination module. The sensor module is coupled to transmitter electrodes and receiver electrodes. The sensor module is configured to transmit transmitter signals with the transmitter electrodes and receive resulting signals with the receiver electrodes. The resulting signals include effects corresponding to the transmitter signals. The determination module is configured to determine response values from the resulting signals, and determine a first adjusted response value by applying a negative multiplier to a first response value of the response values. The first response value is a negative value. The determination module is further configured to determine positional information for a first input object based on at least one of the first adjusted response value and a second response value of the response values, and report the positional information. The second response value is a positive response value.
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Patent Agency Ranking
公开(公告)号：US10140499B1
公开(公告)日：2018-11-27
申请号：US15605526
申请日：2017-05-25
Applicant: Synaptics Incorporated
Inventor： Adam Schwartz , Tom Vandermeijden , Igor Polishchuk , Michael Cornstock
IPC: G06K9/00 , G06F3/0354 , G06K9/20 , G06F3/0488
CPC classification number: G06K9/00013 , G06F3/03547 , G06F3/0488 , G06F2203/0338 , G06F2203/04105 , G06F2203/04808 , G06K9/0002 , G06K9/20
Abstract: Disclosed are systems and methods for detecting a finger touch and/or finger press. A method includes: detecting presence of a finger on a fingerprint sensor; causing the fingerprint sensor to take measurements using multiple successive frames of the fingerprint sensor; for each measurement, computing a metric associated with the measurement at a given frame corresponding to the measurement; at a first particular frame, determining that the finger has settled on the fingerprint sensor, wherein determining that the finger has settled comprises determining that the metric at the first particular frame exceeds a settled value threshold; and, based on determining that the finger has settled, determining that a finger touch has occurred. A finger press can be further determined by monitoring whether the metric passes a press threshold.
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公开(公告)号：US09563319B2
公开(公告)日：2017-02-07
申请号：US14576022
申请日：2014-12-18
Applicant: Synaptics Incorporated
Inventor： Tom Vandermeijden
IPC: G06F3/044 , G06F3/0488
CPC classification number: G06F3/044 , G06F1/169 , G06F3/03547 , G06F3/0416 , G06F3/04886 , G06F2203/0339
Abstract: A processing system for a capacitive sensing device, including: a sensor module coupled to multiple sensor electrodes and configured to receive multiple resulting signals from the multiple sensor electrodes, where the multiple electrodes includes a first sensor electrode, a second sensor electrode adjacent to the first second electrode, a third sensor electrode adjacent to the first sensor electrode and the second sensor electrode, and a fourth sensor electrode adjacent to the third sensor electrode; and a determination module configured to: determine, based on the multiple resulting signals, first differential capacitive sensing data between the first sensor electrode and the second sensor electrode; determine, based on the multiple resulting signals, second differential capacitive sensing data between the third sensor electrode and the fourth sensor electrode; and determine user contact information based on at least one of the first differential capacitive sensing data and the second differential capacitive sensing data.
Abstract translation: 一种用于电容感测装置的处理系统，包括：耦合到多个传感器电极并被配置为从多个传感器电极接收多个结果信号的传感器模块，其中多个电极包括第一传感器电极，与第一传感器电极相邻的第二传感器电极 第二电极，与第一传感器电极和第二传感器电极相邻的第三传感器电极，以及与第三传感器电极相邻的第四传感器电极; 以及确定模块，被配置为：基于所述多个结果信号，确定所述第一传感器电极和所述第二传感器电极之间的第一差分电容感测数据; 基于所述多个所得信号，确定所述第三传感器电极和所述第四传感器电极之间的第二差分电容感测数据; 并且基于所述第一差分电容感测数据和所述第二差分电容感测数据中的至少一个确定用户接触信息。
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公开(公告)号：US20150331505A1
公开(公告)日：2015-11-19
申请号：US14581997
申请日：2014-12-23
Applicant: Synaptics Incorporated
Inventor： Tom Vandermeijden
IPC: G06F3/0354
CPC classification number: G06F3/041 , G06F3/03545
Abstract: A processing system includes a sensor module and a determination module. The sensor module includes sensor circuitry coupled to transmitter electrodes and receiver electrodes. The sensor module is configured to transmit transmitter signals with the transmitter electrodes and receive resulting signals with the receiver electrodes. The determination module is configured to determine a presence of a passive pen in a sensing region using the resulting signals, determine a current ground mass state of the passive pen based on the resulting signals, and report, based on the current ground mass state, ground mass state information of the passive pen.
Abstract translation: 处理系统包括传感器模块和确定模块。 传感器模块包括耦合到发射器电极和接收器电极的传感器电路。 传感器模块被配置为用发射机电极发送发射机信号并且用接收器电极接收结果信号。 确定模块被配置为使用所得到的信号来确定感测区域中的被动笔的存在，基于所得到的信号确定被动笔的当前地面质量状态，并且基于当前地面质量状态来报告地面 被动笔的质量状态信息。
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公开(公告)号：US12141000B2
公开(公告)日：2024-11-12
申请号：US18483048
申请日：2023-10-09
Applicant: Synaptics Incorporated
Inventor： Guozhong Shen , Tom Vandermeijden
Abstract: A system for determining a fold angle of a foldable device, the system including a plurality of electrodes and a processing system, wherein the processing system is configured to obtain transcapacitance measurements via a subset of the plurality of electrodes; obtain absolute capacitance measurements via the subset of the plurality of electrodes; and determine the fold angle of the foldable device based on the transcapacitance measurements and the absolute capacitance measurements.
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公开(公告)号：US12130133B2
公开(公告)日：2024-10-29
申请号：US17861022
申请日：2022-07-08
Applicant: Synaptics Incorporated
Inventor： Guozhong Shen , Tom Vandermeijden
Abstract: A system for determining a fold angle of a foldable device includes a plurality of electrodes and a processing system. The plurality of electrodes includes at least one first electrode and at least one second electrode, wherein the at least one second electrode is farther from a fold line of the foldable device than the at least one first electrode. The processing system is configured to: obtain at least one first absolute capacitance measurement via the at least one first electrode and at least one second absolute capacitance measurement via the at least one second electrode; and determine a fold angle of the foldable device based on the at least one first absolute capacitance measurement and the at least one second absolute capacitance measurement.
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