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    • 3. 发明申请
    • Capacitive sensing employing a repeatable offset charge
    • 使用可重复偏移电荷的电容感测
    • US20050240785A1
    • 2005-10-27
    • US11169739
    • 2005-06-30
    • Mark CaseboltGary RensbergerSteven BathicheMihai Albulet
    • Mark CaseboltGary RensbergerSteven BathicheMihai Albulet
    • G01V3/08G06F1/32G06F3/033G06F1/30
    • G06F3/03543G06F1/3203G06F1/3231Y02D10/173
    • Capacitive proximity sensing is carried out by detecting a relative change in the capacitance of a “scoop” capacitor formed by a conductor and a surrounding ground plane. Charge is transferred between the “scoop” capacitor and a relatively large “bucket” capacitor, and a voltage of the bucket capacitor is applied to an input threshold switch. A state transition (e.g., from low to high, or high to low) of the input threshold switch is detected and a value (TouchVal) indicative of a number of cycles of charge transfer required to reach the state transition is determined. The presence or absence of an object or body portion in close proximity to or contact with a device can be determined by comparing TouchVal with a predetermined threshold value (TouchOff). In order to lessen the time required for detection, and/or improve the sensitivity thereof, the bucket capacitor may initially be charged to a repeatable non-zero reference level closer to the charge level that will cause a state transition. TouchOff can be adjusted to take into account environmentally induced (non-touch related) changes in the capacitance of the scoop capacitor. Power management may be provided in a user operated data input device utilizing the inventive proximity sensing.
    • 通过检测由导体和周围地平面形成的“勺”电容器的电容的相对变化来进行电容接近感测。 在“勺”电容器和相对较大的“桶”电容器之间传送电荷,并且将桶式电容器的电压施加到输入阈值开关。 检测输入阈值开关的状态转换(例如,从低到高或高到低),并且确定指示达到状态转换所需的电荷转移周期数的值(TouchVal)。 可以通过将TouchVal与预定阈值(TouchOff)进行比较来确定与设备紧密接触或接触的物体或身体部分的存在或不存在。 为了减少检测所需的时间和/或提高其灵敏度,桶式电容器可以最初被充电到更接近导致状态转换的充电电平的可重复非零参考电平。 可以调整TouchOff以考虑到勺式电容器的电容的环境诱导(非触摸相关)变化。 可以在利用本发明的接近感测的用户操作的数据输入装置中提供电源管理。
    • 4. 发明授权
    • Data input device power management including beacon state
    • 数据输入设备电源管理包括信标状态
    • US07023425B2
    • 2006-04-04
    • US10981631
    • 2004-11-05
    • Mark W. CaseboltGary RensbergerSean Gorman
    • Mark W. CaseboltGary RensbergerSean Gorman
    • G09G5/08
    • G06F1/3203G06F1/3231G06F1/3259G06F3/0317Y02D10/155Y02D10/173
    • Power management is provided in a user operated data input device utilizing proximity sensing and switching between three or more power states. Switching between the power states occurs based upon the presence or absence of input activity, and an operation instrumentality (e.g., a hand) in close proximity to or contact with the device. Capacitive proximity sensing is carried out be detecting a relative change in the capacitance of a “scoop” capacitor formed by a conductor and a surrounding ground plane. In an optical surface tracking cursor control device embodiment, switching to and from a BEACON state, which provides a reduced flash rate of a surface illuminating light source, is carried out based upon a detected presence or absence of a trackable surface.
    • 在用户操作的数据输入设备中提供电源管理,利用接近感测和三个或多个功率状态之间的切换。 基于输入活动的存在或不存在以及与设备紧密接触或接触的操作手段(例如,手),在功率状态之间进行切换。 进行电容式接近感测是检测由导体和周围接地层形成的“勺”电容器的电容的相对变化。 在光学表面跟踪光标控制装置实施例中,基于检测到的可跟踪表面的存在或不存在,执行提供表面照明光源的降低的闪光速率的BEACON状态切换和切换。
    • 5. 发明授权
    • Data input device power management including beacon state
    • 数据输入设备电源管理包括信标状态
    • US06816150B2
    • 2004-11-09
    • US09991651
    • 2001-11-26
    • Mark W. CaseboltGary RensbergerSean Gorman
    • Mark W. CaseboltGary RensbergerSean Gorman
    • G09G508
    • G06F1/3203G06F1/3231G06F1/3259G06F3/0317Y02D10/155Y02D10/173
    • Power management is provided in a user operated data input device utilizing proximity sensing and switching between three or more power states. Switching between the power states occurs based upon the presence or absence of input activity, and an operation instrumentality (e.g., a hand) in close proximity to or contact with the device. Capacitive proximity sensing is carried out by detecting a relative change in the capacitance of a “scoop” capacitor formed by a conductor and a surrounding ground plane. In an optical surface tracking cursor control device embodiment, switching to and from a BEACON state, which provides a reduced flash rate of a surface illuminating light source, is carried out based upon a detected presence or absence of a trackable surface.
    • 在用户操作的数据输入设备中提供电源管理,利用接近感测和三个或多个功率状态之间的切换。 基于输入活动的存在或不存在以及与设备紧密接触或接触的操作手段(例如,手),在功率状态之间进行切换。 通过检测由导体和周围地平面形成的“勺”电容器的电容的相对变化来进行电容接近感测。 在光学表面跟踪光标控制装置实施例中,基于检测到的可跟踪表面的存在或不存在,执行提供表面照明光源的降低的闪光速率的BEACON状态切换和切换。
    • 7. 发明授权
    • RF data compression for a high speed mouse
    • 射频数据压缩为高速鼠标
    • US06995750B2
    • 2006-02-07
    • US10392029
    • 2003-03-19
    • Mihai AlbuletGary Rensberger
    • Mihai AlbuletGary Rensberger
    • G09G5/00
    • G06F3/038
    • A pointing device is provided for reporting motion information about the pointing device. Counts representing movement in two dimensions are processed so that a packet data stream may accommodate the motion information. One aspect of the invention utilizes the value of count to determine whether compression of the motion information should be performed. When it is determined that compression should be performed, a compression function is selected, the count is processed by the compression function, and an indicator is set to indicate that the count is processed by the compression function. Reporting information, which includes the processed count and the indicator, is then transmitted to computer system. A user input interface that is associated with the computer system recovers the counts using appropriate inverse functions in accordance with the indicators.
    • 提供指示设备用于报告关于指点设备的运动信息。 处理表示二维运动的计数,使得分组数据流可以适应运动信息。 本发明的一个方面利用计数值来确定是否应该执行运动信息的压缩。 当确定应执行压缩时,选择压缩功能,计数由压缩功能处理,并且指示符被设置为指示计数由压缩功能处理。 报告信息,包括处理后的计数和指示符,然后传送到计算机系统。 与计算机系统相关联的用户输入接口根据指示符使用适当的反向功能恢复计数。
    • 8. 发明授权
    • RF data compression for a high-speed mouse
    • 射频数据压缩为高速鼠标
    • US07782294B2
    • 2010-08-24
    • US11157726
    • 2005-06-21
    • Mihai AlbuletGary Rensberger
    • Mihai AlbuletGary Rensberger
    • G09G5/00
    • G06F3/038
    • A pointing device is provided for reporting motion information about the pointing device. Counts representing movement in two dimensions are processed so that a packet data stream may accommodate the motion information. One aspect of the invention utilizes the value of count to determine whether compression of the motion information should be performed. When it is determined that compression should be performed, a compression function is selected, the count is processed by the compression function, and an indicator is set to indicate that the count is processed by the compression function. Reporting information, which includes the processed count and the indicator, is then transmitted to computer system. A user input interface that is associated with the computer system recovers the counts using appropriate inverse functions in accordance with the indicators.
    • 提供指示设备用于报告关于指点设备的运动信息。 处理表示二维运动的计数,使得分组数据流可以适应运动信息。 本发明的一个方面利用计数值来确定是否应该执行运动信息的压缩。 当确定应执行压缩时,选择压缩功能,计数由压缩功能处理,并且指示符被设置为指示计数由压缩功能处理。 报告信息,包括处理后的计数和指示符,然后传送到计算机系统。 与计算机系统相关联的用户输入接口根据指示符使用适当的反向功能恢复计数。
    • 10. 发明授权
    • Capacitive sensing and data input device power management
    • US06661410B2
    • 2003-12-09
    • US09948099
    • 2001-09-07
    • Mark W. CaseboltGary RensbergerSteven N. BathicheMihai Abulet
    • Mark W. CaseboltGary RensbergerSteven N. BathicheMihai Abulet
    • G09G500
    • G06F1/3203G06F1/3231G06F1/3259G06F3/0317Y02D10/155Y02D10/173
    • Capacitive proximity sensing is carried out by detecting a relative change in the capacitance of a “scoop” capacitor formed by a conductor and a surrounding ground plane. The conductor may be a plate provided in the form of an adhesive label printed with conductive ink. Charge is transferred between the “scoop” capacitor and a relatively large “bucket” capacitor, and a voltage of the bucket capacitor is applied to an input threshold switch. A state transition (e.g., from low to high, or high to low) of the input threshold switch is detected and a value (TouchVal) indicative of a number of cycles of charge transfer required to reach the state transition is determined. The presence or absence of an object or body portion in close proximity to or contact with a device can be determined by comparing TouchVal with a predetermined threshold value (TouchOff). TouchOff can be adjusted to take into account environmentally induced (non-touch related) changes in the capacitance of the scoop capacitor. Power management is provided in a user operated data input device utilizing proximity sensing and switching between three or more power states. Switching between the power states occurs based upon the presence or absence of input activity, and an operation instrumentality (e.g., a hand) in close proximity to or contact with the device. In an optical surface tracking cursor control device embodiment, switching to and from a BEACON state, which provides a reduced flash rate of a surface illuminating light source, is carried out based upon a detected presence or absence of a trackable surface.