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    Eyewear control system and method, and an eyewear device
    52.
    发明授权
    Eyewear control system and method, and an eyewear device 有权

    公开(公告)号：US10539812B2

    公开(公告)日：2020-01-21

    申请号：US15570888

    申请日：2016-04-29

    申请人： SWITCH MATERIALS INC.

    发明人： Matthew Smit ,  Simon Gauthier ,  Duhane Lam

    IPC分类号： G02C7/10 ,  G02F1/163

    摘要： An eyewear control system for a variable transmittance optical filter assembly configurable to cover at least a portion of a lens of an eyewear device. The eyewear control system includes a controller communicatively coupled to a pair of load terminals. The eyewear control system also includes a light sensor communicatively coupled to the controller to provide a detector output signal, the light sensor being positioned to receive sunlight transmitted through the optical filter assembly and towards an eye of a person wearing the eyewear device, the detector output signal being set in dependence on an amount of sunlight received by the light sensor. The eyewear control system also includes a memory communicatively coupled to the controller and having encoded thereon computer program code executable by the controller to transition the optical filter assembly between operating states when coupled to the pair of load terminals. The controller is operable to vary a voltage across the load terminals in dependence on the detector output signal to vary an amount of sunlight transmitted to the eye by the optical filter assembly.

    System and method for controlling an optical filter assembly
    58.
    发明授权
    System and method for controlling an optical filter assembly 有权
    用于控制滤光器组件的系统和方法

    公开(公告)号：US09594285B2

    公开(公告)日：2017-03-14

    申请号：US14395381

    申请日：2013-04-18

    申请人： SWITCH MATERIALS, INC.

    发明人： Neil Robin Branda ,  Glen Ramsay Bremner ,  Jeremy Graham Finden ,  Corbin Abe Giesbrecht ,  Duhane Lam ,  Matt Andrew Pilapil ,  Matthew Paul Smit

    IPC分类号： G02F1/03 ,  G02F1/07 ,  G02F1/163 ,  E06B9/24 ,  G02B5/23

    CPC分类号： G02F1/163 ,  E06B9/24 ,  E06B2009/2464 ,  G02B5/23 ,  G02F1/13318

    摘要： A control system for a variable transmittance optical filter assembly includes a controller in communicatively coupled to a pair of load terminals, and a memory communicatively coupled to the controller and having encoded thereon statements and instructions executable by the controller to transition the optical filter assembly between operating states when coupled to the pair of load terminals. The controller is operable to perform any one or more of: allowing the optical filter assembly to transition to a dark state by shorting the load terminals together, maintaining the optical filter assembly in a hold mode by applying a pulse width modulated voltage signal across the load terminals, and transitioning the optical filter assembly between operative states by applying a voltage signal having voltage pulses of opposite polarities to the load terminals.

    摘要翻译： 用于可变透射率光学滤波器组件的控制系统包括通信地耦合到一对负载端子的控制器，以及通信地耦合到控制器并且在其上编码的存储器的存储器，其上编码有可由控制器执行以在操作之间转换光学滤波器组件的语句和指令 当耦合到该对负载端子时状态。 控制器可操作以执行以下任何一个或多个操作：允许光学滤波器组件通过将负载端子短路在一起而转变到暗状态，通过在负载上施加脉宽调制电压信号来将滤光器组件保持在保持模式 端子，并且通过将具有相反极性的电压脉冲的电压信号施加到负载端子来在操作状态之间转换滤光器组件。