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公开(公告)号：US20210184676A1
公开(公告)日：2021-06-17
申请号：US17187467
申请日：2021-02-26
Applicant: Apple Inc.
Inventor： Christian M. Sauer , Peter W. Richards
Abstract: A capacitive sensing device can include multiple capacitive sensors. A first device controller is operatively connected to a portion of the capacitive sensors, while a second device controller is operatively connected to another portion of capacitive sensors. A common node or shield can be connected between the first device controller and the second device controller. Charging and discharging events of selected drive lines in the capacitive sensing device and/or of the common node or shield can be synchronized to reduce undesirable effects such as noise and/or to prevent the charging events and the discharging events from overlapping with each other. One or more reference capacitive sensors can be shared by the multiple device controllers.
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22.发明授权公开(公告)号：US11016616B2
公开(公告)日：2021-05-25
申请号：US16530938
申请日：2019-08-02
Applicant: Apple Inc.
Inventor： Christian M. Sauer , Christoph H. Krah , Steven P. Hotelling , Martin Paul Grunthaner
Abstract: An electronic device can include an integrated touch and display chip that can operate in multiple power domains. For example, the integrated touch and display chip can operate in a guarded power domain during the touch operation and can operate in a system power domain during non-guarded display operations. In some examples, two power domains can include a guarded power domain and a system power domain, whose grounds can be differentiated by a guard buffer signal. In some examples, the guard buffer can be disposed between the integrated touch and display chip and a battery of the device. In some examples, the guard buffer can be disposed between the battery of the device and the chassis of the device.
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公开(公告)号：US10540036B2
公开(公告)日：2020-01-21
申请号：US15493481
申请日：2017-04-21
Applicant: Apple Inc.
Inventor： Christian M. Sauer , Peter W. Richards
IPC: G06F3/041 , G06F3/044 , H03K17/96 , G06F3/0354
Abstract: A capacitive sensing device can include multiple capacitive sensors. A first device controller is operatively connected to a portion of the capacitive sensors, while a second device controller is operatively connected to another portion of capacitive sensors. A common node or shield can be connected between the first device controller and the second device controller. Charging and discharging events of selected drive lines in the capacitive sensing device and/or of the common node or shield can be synchronized to reduce undesirable effects such as noise and/or to prevent the charging events and the discharging events from overlapping with each other. One or more reference capacitive sensors can be shared by the multiple device controllers.
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公开(公告)号：US20190361560A1
公开(公告)日：2019-11-28
申请号：US16538724
申请日：2019-08-12
Applicant: Apple Inc.
Inventor： Sinan Filiz , Martin P. Grunthaner , John Stephen Smith , Charley T. Ogata , Christian M. Sauer , Shin John Choi , Christopher J. Butler , Steven J. Martisauskas
Abstract: A device configured to sense a touch on a surface of the device. The device includes a cover and a force-sensing structure disposed below the cover. The force-sensing structure may be positioned below a display and used in combination with other force-sensing elements to estimate the force of a touch on the cover of a device.
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公开(公告)号：US10459587B2
公开(公告)日：2019-10-29
申请号：US16179565
申请日：2018-11-02
Applicant: Apple Inc.
Inventor： Christoph H. Krah , Christian M. Sauer
IPC: G06F3/044 , G02F1/1333 , G02F1/1343 , G06F3/041
Abstract: A touch sensing system is disclosed. The touch sensing system includes a guard signal generation chip operating in a first power domain referenced to a first voltage, the guard signal generation chip configured to generate a guard signal. A touch sensing chip operates in a second power domain, different from the first power domain, referenced to the guard signal, the touch sensing chip configured to sense touch at one or more touch electrodes included in a touch sensor panel operating in the second power domain referenced to the guard signal, and the touch sensing chip a different chip than the guard signal generation chip. A voltage regulator is configured to selectively regulate a voltage of the guard signal at the touch sensing chip.
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Patent Agency Ranking
公开(公告)号：US10372282B2
公开(公告)日：2019-08-06
申请号：US15829763
申请日：2017-12-01
Applicant: Apple Inc.
Inventor： Christophe Blondin , Christian M. Sauer
Abstract: Touch sensor panel configurations and methods for improving touch sensitivity of some or all of the electrodes or portions of the touch sensor panel are disclosed. The touch sensor panel configurations can allow increased speed at which the panel can operate. In some examples, the performance of a given touch electrode can differ from the performance of another touch electrode due to differences in capacitance and/or resistance. The performance of the touch sensor panel can be limited by the touch electrode with the lowest performance relative to the other touch electrodes. The configurations and methods can increase the performance of the touch sensor panel by minimizing the capacitive coupling and/or resistance of touch electrodes. Examples of the disclosure can provide configurations of touch sensor panels and methods for improving optical uniformity of the panel.
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公开(公告)号：US10318089B2
公开(公告)日：2019-06-11
申请号：US15274663
申请日：2016-09-23
Applicant: Apple Inc.
Inventor： John Stephen Smith , Manu Agarwal , Christian M. Sauer
Abstract: Several techniques for driving a force sensor to reduce common mode offset are disclosed. The force sensor can include at least one set of individual strain sensitive structures formed on or in a surface of a substrate. Each set of individual strain sensitive structures can include one or more strain sensitive structures. At least one external resistor is operably connected in series between a first output of one or more transmitter channels and at least one set of strain sensitive structures. The external resistor(s) effectively increases the resistances of the strain sensitive structures to reduce the common mode offset. Additionally or alternatively, one or more signal generators may be connected to one or more transmitter channels. Each signal generator is configured to produce one or more signals that is/are designed to reduce common mode offset.
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公开(公告)号：US10120520B2
公开(公告)日：2018-11-06
申请号：US15663271
申请日：2017-07-28
Applicant: Apple Inc.
Inventor： Christoph H. Krah , Christian M. Sauer
IPC: G06F3/00 , G06F3/044 , G06F3/041 , G02F1/1343 , G02F1/1333
Abstract: A touch sensing system is disclosed. The touch sensing system includes a guard signal generation chip operating in a first power domain referenced to a first voltage, the guard signal generation chip configured to generate a guard signal. A touch sensing chip operates in a second power domain, different from the first power domain, referenced to the guard signal, the touch sensing chip configured to sense touch at one or more touch electrodes included in a touch sensor panel operating in the second power domain referenced to the guard signal, and the touch sensing chip a different chip than the guard signal generation chip. A voltage regulator is configured to selectively regulate a voltage of the guard signal at the touch sensing chip.
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公开(公告)号：US20170010723A1
公开(公告)日：2017-01-12
申请号：US15274663
申请日：2016-09-23
Applicant: Apple Inc.
Inventor： John Stephen Smith , Manu Agarwal , Christian M. Sauer
IPC: G06F3/045
Abstract: Several techniques for driving a force sensor to reduce common mode offset are disclosed. The force sensor can include at least one set of individual strain sensitive structures formed on or in a surface of a substrate. Each set of individual strain sensitive structures can include one or more strain sensitive structures. At least one external resistor is operably connected in series between a first output of one or more transmitter channels and at least one set of strain sensitive structures. The external resistor(s) effectively increases the resistances of the strain sensitive structures to reduce the common mode offset. Additionally or alternatively, one or more signal generators may be connected to one or more transmitter channels. Each signal generator is configured to produce one or more signals that is/are designed to reduce common mode offset.
Abstract translation: 公开了用于驱动力传感器以减少共模偏移的几种技术。 力传感器可以包括形成在基底表面上或表面上的至少一组单独的应变敏感结构。 每组单个应变敏感结构可以包括一个或多个应变敏感结构。 至少一个外部电阻器可操作地连接在一个或多个发射器通道的第一输出端与至少一组应变敏感结构之间。 外部电阻有效地增加了应变敏感结构的电阻以减小共模偏移。 附加地或替代地，一个或多个信号发生器可以连接到一个或多个发射器通道。 每个信号发生器被配置成产生被设计为减少共模偏移的一个或多个信号。
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30.发明申请Reducing the Impact of an Inductive Energy Transfer System on a Touch Sensing Device 有权降低感应能量传递系统对触摸感应装置的影响公开(公告)号：US20150349539A1
公开(公告)日：2015-12-03
申请号：US14502042
申请日：2014-09-30
Applicant: Apple Inc.
Inventor： Todd K. Moyer , Albert Lin , Wesley W. Zuber , Yehonatan Perez , Jeffrey M. Alves , Makiko K. Brzezinski , Eric S. Jol , Paul J. Thompson , Priyank D. Patel , Christian M. Sauer , Christopher S. Graham , Jim C. Hwang , Micah Lewis-Kraus
IPC: H02J5/00
Abstract: A transmitter device for an inductive energy transfer system can include a DC-to-AC converter operably connected to a transmitter coil, a first capacitor connected between the transmitter coil and one output terminal of the DC-to-AC converter, and a second capacitor connected between the transmitter coil and another output terminal of the DC-to-AC converter. One or more capacitive shields can be positioned between the transmitter coil and an interface surface of the transmitter device. A receiver device can include a touch sensing device, an AC-to-DC converter operably connected to a receiver coil, a first capacitor connected between the receiver coil and one output terminal of the AC-to-DC converter, and a second capacitor connected between the receiver coil and another output terminal of the AC-to-DC converter. One or more capacitive shields can be positioned between the receiver coil and an interface surface of the receiver device.
Abstract translation: 用于感应能量传递系统的发射机装置可以包括可操作地连接到发射器线圈的DC-AC转换器，连接在发射器线圈和DC-AC转换器的一个输出端子之间的第一电容器，以及连接到DC- 连接在发射器线圈和DC-AC转换器的另一个输出端子之间。 一个或多个电容屏蔽可位于发射器线圈与发射器装置的接口表面之间。 接收机设备可以包括触摸感测设备，可操作地连接到接收器线圈的AC到DC转换器，连接在接收器线圈和AC-DC转换器的一个输出端子之间的第一电容器和连接到 在接收线圈与AC-DC转换器的另一输出端之间。 一个或多个电容屏蔽可以位于接收器线圈和接收器设备的接口表面之间。
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