公开(公告)号：US20210096686A1

公开(公告)日：2021-04-01

申请号：US16905780

申请日：2020-06-18

Applicant: SYNAPTICS INCORPORATED

Inventor： Jonathan LOSH ,  Derek SOLVEN ,  Vladan PETROVIC

IPC: G06F3/041 ,  G06F3/044

Abstract: A sensor driver comprises a receiver and an interference mitigation element. The receiver is configured to acquire a resulting signal from a sensor electrode. The interference mitigation element is communicatively coupled with the receiver and is configured to receive interference data, generate an interference estimate from the interference data and a transfer function, and communicate the interference estimate to the receiver. The interference estimate removes charge from a resulting signal, mitigating effects of interference within the resulting signal.

公开(公告)号：US20170046010A1

公开(公告)日：2017-02-16

申请号：US15340806

申请日：2016-11-01

Applicant: SYNAPTICS INCORPORATED

Inventor： Jonathan LOSH

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04105 ,  G06F2203/04108

Abstract: Embodiments include a method, input device, and processing system for operating a plurality of sensor electrodes for capacitive sensing. The method includes acquiring a first capacitive partial profile by driving a first capacitive sensing signal onto a first sensor electrode of a first plurality of sensor electrodes while driving a second sensor electrode of the first plurality of sensor electrodes with a substantially constant voltage. The method further includes acquiring a second capacitive partial profile by driving a second capacitive sensing signal onto the second sensor electrode while driving the first sensor electrode with the substantially constant voltage, and determining a first capacitive profile based on at least the acquired first capacitive partial profile and the second capacitive partial profile.

Abstract translation: 实施例包括用于操作用于电容感测的多个传感器电极的方法，输入装置和处理系统。 该方法包括通过将第一电容感测信号驱动到第一多个传感器电极的第一传感器电极上，同时以基本上恒定的电压驱动第一多个传感器电极的第二传感器电极来获取第一电容部分轮廓。 该方法还包括通过以基本恒定的电压驱动第一传感器电极而将第二电容感测信号驱动到第二传感器电极上来获取第二电容性部分曲线，以及至少基于所获取的第一电容部分分布来确定第一电容分布 和第二电容部分曲线。

公开(公告)号：US20210223939A1

公开(公告)日：2021-07-22

申请号：US17107582

申请日：2020-11-30

Applicant: SYNAPTICS INCORPORATED

Inventor： Jonathan LOSH ,  Dipankar TALUKDAR

IPC: G06F3/041 ,  G06F3/044

Abstract: A processing system configured to receive a first display control signal corresponding to a non-display update period of a display frame and a second display control signal corresponding to a display update period of the display frame. The processing system is further configured to acquire, based on receipt of the first display control signal, first resulting signals from sensor electrodes electrically connected to the sensor driver by operating the sensor electrodes for a first type of input sensing during a first period overlapping with at least a portion of the non-display update period. Further, the processing system is configured to acquire, based on receipt of the second display control signal, second resulting signals with the sensor electrodes by operating the sensor electrodes for a second type of input sensing during a second period overlapping with at least a portion of the display update period.

公开(公告)号：US20210041988A1

公开(公告)日：2021-02-11

申请号：US16533482

申请日：2019-08-06

Applicant: SYNAPTICS INCORPORATED

Inventor： Nickolas V. FOTOPOULOS ,  Katayoun GOUDARZI ,  Tracy Scott DATTALO ,  Joseph Kurth REYNOLDS ,  Jonathan LOSH ,  Renuka Vidyut SHENOY ,  Derek SOLVEN

IPC: G06F3/044 ,  G06F3/041

Abstract: A system and method for capacitive sensing comprise acquiring first capacitive sensor data and second capacitive sensor data from a plurality of sensor electrodes, and determining positional information from one or more input objects based on the first capacitive sensor data and the second capacitive sensor data. The plurality of sensor electrodes are driven with transcapacitive sensing signals for capacitive sensing during one or more transcapacitive sensing blocks to acquire the first sensor data. Each of the transcapacitive sensing signals is based on a respective one of a plurality of codes. Further, the plurality of sensor electrodes are operated for absolute capacitive sensing during one or more absolute capacitive sensing blocks to acquire the second capacitive sensor data.

公开(公告)号：US20160378221A1

公开(公告)日：2016-12-29

申请号：US14748042

申请日：2015-06-23

Applicant: Synaptics Incorporated

Inventor： Derek R. SOLVEN ,  Matthew STEVENSON ,  Robert J. BOLENDER ,  Jonathan LOSH

IPC: G06F3/044 ,  G06T5/00 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F2203/04111 ,  G06F2203/04112 ,  G06K9/00013

Abstract: In a method of capacitive sensing, a first plurality of sensor electrodes of a sensor electrode pattern is coupled, in a first configuration, to input channels of a processing system. The sensor electrode pattern is associated with a sensing region. The first configuration of the first plurality sensor of electrodes is utilized to acquire a measurement of current. A noise environment is determined through analysis of the measurement of current. At least one subset of the first plurality of sensor electrodes is coupled, in a second configuration, to the input channels. The second configuration and the first configuration are different. The second configuration of the first plurality of sensor electrodes is utilized to acquire capacitive resulting signals.

Abstract translation: 在电容感测的方法中，传感器电极图案的第一多个传感器电极以第一配置耦合到处理系统的输入通道。 传感器电极图案与感测区域相关联。 电极的第一多个传感器的第一配置被用于获取电流的测量。 通过分析电流的测量来确定噪声环境。 第一组多个传感器电极的至少一个子集在第二配置中耦合到输入通道。 第二配置和第一配置是不同的。 利用第一多个传感器电极的第二配置来获取电容结果信号。

公开(公告)号：US20150378495A1

公开(公告)日：2015-12-31

申请号：US14318219

申请日：2014-06-27

Applicant: Synaptics Incorporated

Inventor： Jonathan LOSH

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04105 ,  G06F2203/04108

Abstract: Embodiments include a method, input device, and processing system for driving a plurality of sensor electrodes for capacitive sensing. The method includes acquiring a first capacitive partial profile by driving a capacitive sensing signal onto a first sensor electrode of a first plurality of sensor electrodes while driving a second sensor electrode of the first plurality of sensor electrodes with a substantially constant voltage. The method further includes acquiring a second capacitive partial profile by driving the capacitive sensing signal onto the second sensor electrode while driving the first sensor electrode with the substantially constant voltage, and determining a first capacitive profile based on at least the acquired first and second capacitive partial profiles.

Abstract translation: 实施例包括用于驱动用于电容感测的多个传感器电极的方法，输入装置和处理系统。 该方法包括通过以大致恒定的电压驱动第一多个传感器电极的第二传感器电极的驱动电容感测信号到第一多个传感器电极的第一传感器电极上来获取第一电容性部分轮廓。 该方法还包括通过在以基本上恒定的电压驱动第一传感器电极的同时将电容感测信号驱动到第二传感器电极上来获取第二电容性部分曲线，以及至少基于所获取的第一和第二电容部分确定第一电容分布 档案。