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    • 16. 发明申请
    • MAGNETIC ROTARY SYSTEM FOR INPUT DEVICES
    • 用于输入设备的磁旋转系统
    • US20110025311A1
    • 2011-02-03
    • US12511595
    • 2009-07-29
    • Nicolas ChauvinOlivier Theytaz
    • Nicolas ChauvinOlivier Theytaz
    • G01B7/30H05K13/04
    • G01B7/30B23P19/04G01D5/145G06F1/3215G06F3/0362Y10T29/49826Y10T29/5313
    • Embodiments of the present invention include a roller for an input device, where the roller's absolute angular position is measured by a magnetic encoder. A magnet is attached to the roller, possibly inside the roller so as to make the embodiment more compact. In one embodiment, the magnetization is simple and low cost. Further, tight tolerances are not required, and such a system is easy to manufacture. In one embodiment, the sensor is covered by any non-ferromagnetic material, to protect it from foreign particles, and to reduce ESD. In one embodiment, the wheel consumes much less power than conventional wheels in input devices. In one embodiment, the tilting of the wheel is measured using the same sensor that is used for measuring the rotation of the wheel. In one embodiment, a ratcheting feel provided to the user when rotating the wheel is synchronized with the rotation signal.
    • 本发明的实施例包括用于输入装置的辊,其中辊的绝对角位置由磁编码器测量。 磁体可能连接到辊子上,可能在辊内部,以使得该实施例更紧凑。 在一个实施例中,磁化简单且成本低。 此外,不需要严格的公差,并且这种系统易于制造。 在一个实施例中,传感器被任何非铁磁材料覆盖,以保护其免受外来颗粒的影响,并降低ESD。 在一个实施例中,与输入装置中的传统轮相比,轮的功率要少得多。 在一个实施例中,使用用于测量车轮旋转的相同传感器来测量车轮的倾斜度。 在一个实施例中,当旋转车轮时提供给使用者的棘轮感觉与旋转信号同步。
    • 17. 发明申请
    • Optical displacement detection over varied surfaces
    • 各种表面的光学位移检测
    • US20070008286A1
    • 2007-01-11
    • US11471084
    • 2006-06-20
    • Olivier TheytazNicolas SasselliBoris KaramataNicolas Chauvin
    • Olivier TheytazNicolas SasselliBoris KaramataNicolas Chauvin
    • G09G5/08
    • G06F3/03543G06F3/0317
    • Embodiments of the present invention enable an optical device to track on a diffusing surface over which a transparent and/or translucent and/or optically smooth surface is placed. Some embodiments are directed towards detecting when an optical device is lifted off the surface it was resting on. Embodiments also include a sensing system that detects the z distance (distance to the tracking surface) and improves image quality by improving the effectiveness of the optical sensor subsystem and/or the illumination subsystem at the detected z distance. Other embodiments include a system and method that enables an optical device to track on a transparent and/or translucent and/or optically smooth surface alone. This may involve dark-field imaging based on certain features (e.g., dirt) already present on the transparent surface. Alternately, this may involve creating features such as droplets, spreading dirt residue, and creating thermal spots, which can be used for tracking.
    • 本发明的实施例使得光学装置能够在扩散表面上进行跟踪,在漫射表面上放置透明和/或半透明和/或光学平滑的表面。 一些实施例旨在检测何时将光学装置从其搁置的表面上提起。 实施例还包括检测z距离(到跟踪表面的距离)的感测系统,并且通过改善在所检测的z距离处的光学传感器子系统和/或照明子系统的有效性来提高图像质量。 其他实施例包括使光学装置能够单独在透明和/或半透明和/或光学平滑表面上追踪的系统和方法。 这可能涉及基于已经存在于透明表面上的某些特征(例如,污物)的暗场成像。 或者,这可能涉及产生诸如液滴,铺展污垢残留物以及产生可用于跟踪的热点的特征。
    • 18. 发明授权
    • Optical displacement detection over varied surfaces
    • 各种表面的光学位移检测
    • US07898524B2
    • 2011-03-01
    • US11471084
    • 2006-06-20
    • Olivier TheytazNicolas SasselliBoris KaramataNicolas Chauvin
    • Olivier TheytazNicolas SasselliBoris KaramataNicolas Chauvin
    • G06F3/033
    • G06F3/03543G06F3/0317
    • Embodiments of the present invention enable an optical device to track on a diffusing surface over which a transparent and/or translucent and/or optically smooth surface is placed. Some embodiments are directed towards detecting when an optical device is lifted off the surface it was resting on. Embodiments also include a sensing system that detects the z distance (distance to the tracking surface) and improves image quality by improving the effectiveness of the optical sensor subsystem and/or the illumination subsystem at the detected z distance. Other embodiments include a system and method that enables an optical device to track on a transparent and/or translucent and/or optically smooth surface alone. This may involve dark-field imaging based on certain features (e.g., dirt) already present on the transparent surface. Alternately, this may involve creating features such as droplets, spreading dirt residue, and creating thermal spots, which can be used for tracking.
    • 本发明的实施例使得光学装置能够在扩散表面上进行跟踪,在漫射表面上放置透明和/或半透明和/或光学平滑的表面。 一些实施例旨在检测何时将光学装置从其搁置的表面上提起。 实施例还包括检测z距离(到跟踪表面的距离)的感测系统,并且通过改善在所检测的z距离处的光学传感器子系统和/或照明子系统的有效性来提高图像质量。 其他实施例包括使光学装置能够单独在透明和/或半透明和/或光学平滑表面上追踪的系统和方法。 这可能涉及基于已经存在于透明表面上的某些特征(例如,污物)的暗场成像。 或者,这可能涉及产生诸如液滴,铺展污垢残留物以及产生可用于跟踪的热点的特征。