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    • 28. 发明授权
    • Transient optical power suppressing apparatus, method, and network
    • 瞬态光功率抑制装置,方法和网络
    • US07791792B2
    • 2010-09-07
    • US12174395
    • 2008-07-16
    • Paul LundquistMarc LevesqueDenis Zaccarin
    • Paul LundquistMarc LevesqueDenis Zaccarin
    • H04B10/17G02B6/26
    • H04B10/296H01S5/042H01S5/06825
    • An apparatus for suppressing optical power transients includes a variable optical attenuator receiving an input optical signal and outputting an output optical signal; an optical power sensing element coupled to the input optical signal and sensing a portion of the input optical signal; and a feedforward loop controller coupled to the variable optical attenuator and to the optical power sensing element; the feedforward control loop providing feedforward control of the variable optical attenuator to reduce optical power transients of the input optical signal and maintain a substantially constant output power based on the input optical power and a reference value; the variable optical attenuator having a default opaque state in which the input optical signal is substantially attenuated when power is not being supplied to said variable optical attenuator. Variations include feedback loop controllers and a combination feedback and feedforward loop controllers.
    • 用于抑制光功率瞬变的装置包括:可变光衰减器,其接收输入光信号并输出​​输出光信号; 耦合到所述输入光信号并感测所述输入光信号的一部分的光功率感测元件; 以及耦合到所述可变光衰减器和所述光功率感测元件的前馈环路控制器; 所述前馈控制环路提供所述可变光衰减器的前馈控制以减少所述输入光信号的光功率瞬变,并且基于所述输入光功率和参考值保持基本上恒定的输出功率; 所述可变光衰减器具有默认不透明状态,其中当功率未被提供给所述可变光衰减器时,所述输入光信号基本衰减。 变化包括反馈回路控制器和组合反馈和前馈回路控制器。
    • 30. 发明申请
    • Finger-keyed human-machine interface device
    • 手指键盘人机界面装置
    • US20070063992A1
    • 2007-03-22
    • US11228647
    • 2005-09-17
    • Paul Lundquist
    • Paul Lundquist
    • G09G5/00
    • G06F3/0219G06F1/163G06F3/014
    • A finger-keyed human-machine interface device and methods provide outputs suitable for entering keyed data into a computer, cash register, musical device or other machines. Varying relative positions or orientations of body-attached electrodes generates data. Combinations of connections between electrodes are translated into output signals corresponding to keyed outputs. Levels of connections are used for predictive provisional inputs allowing a user to retract outputs before they are made final and for other applications. Mappings of electrodes attached to fingers and hands are presented for entering keyed data or selecting musical notes.
    • 手指键控人机接口设备和方法提供适合于将键控数据输入到计算机,收银机,音乐设备或其他机器中的输出。 身体附着电极的相对位置或方向的变化产生数据。 电极之间的连接的组合被转换成对应于键控输出的输出信号。 连接级别用于预测临时输入,允许用户在最终产品和其他应用程序之前缩回输出。 呈现用于输入键入数据或选择音符的电极附着在手指和手上的贴图。