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    • 2. 发明授权
    • Seed and plant growth medium module
    • 种子和植物生长培养基模块
    • US08458955B2
    • 2013-06-11
    • US12996615
    • 2009-10-30
    • David Larsen
    • David Larsen
    • A01G9/02
    • A01C1/04
    • A seed and plant growth medium module includes a seed embedded in plant growth medium which is encapsulated in a biodegradable moisture retaining shell. The shell has a bottom with an upper covering. A root opening is provided in the bottom to allow egress of roots as the seed germinates. A plant egress opening is provided in the upper covering to allow upward growth of a plant resulting when the seed germinates. At least one water entry opening is provided in the shell to allow entry of moisture into the shell to wet the plant growth medium.
    • 种子和植物生长培养基模块包括嵌入植物生长培养基中的种子,其被包封在可生物降解的保湿壳中。 外壳有一个带上盖的底部。 底部提供根部开口以允许种子在种子发芽时排出根部。 在上盖中设置植物出口开口,以允许种子发芽时产生的植物向上生长。 在壳体中设置至少一个进水口,以允许水分进入壳体以润湿植物生长培养基。
    • 6. 发明申请
    • Fast set material proportioner
    • 快速定料配料
    • US20060071022A1
    • 2006-04-06
    • US10533329
    • 2003-10-30
    • Martin McCormickWilliam WeikelBret DenesonDavid Larsen
    • Martin McCormickWilliam WeikelBret DenesonDavid Larsen
    • B67D5/52
    • G05D11/132
    • The proportioner (10) has a variable speed controlled DC motor (12) having a gearbox (14) and crankshaft (16) at either end which are connected to reciprocating piston pumps (18). The outputs (18a) of the two pumps (18) are fed to a manifold (22) where the pressure of each output is measured. The user sets a setpoint pressure (e.g. 1000 psi) and the controller (26) then compares the pressures of the two components and controls the higher of the two relative to the setpoint. Ratio assurance is monitored by continuing to look at both output pressures. If one side falls below a predetermined percentage of the setpoint (50% in the preferred embodiment), an alarm may be raised or operation stopped.
    • 配比器(10)具有变速控制的直流电动机(12),其在任一端具有连接到往复活塞泵(18)的齿轮箱(14)和曲轴(16)。 两个泵(18)的输出(18a)被馈送到其中测量每个输出的压力的歧管(22)。 用户设定设定点压力(例如1000psi),然后控制器(26)比较两个部件的压力并控制两个相对于设定点的较高者。 通过继续查看输出压力来监控比率保证。 如果一侧低于设定值的预定百分比(在优选实施例中为50%),则可能引起报警或操作停止。
    • 7. 发明申请
    • Method for Providing Visual Feedback for Vowel Quality
    • 为元音质量提供视觉反馈的方法
    • US20150364146A1
    • 2015-12-17
    • US14302083
    • 2014-06-11
    • David LarsenDan Smith
    • David LarsenDan Smith
    • G10L21/10
    • G10L21/14G10L2021/065
    • A method for obtaining visual feedback for vowel quality is disclosed. By filtering and decomposing audio signals in formants, one or more software modules and/or applications may determine the type of phoneme in an audio signal that corresponds to a vowel. First and second formants may be measured in their frequencies; subsequently frequencies values of first formant and second formant may be assigned as X and Y coordinates, respectively. These (X,Y) coordinates may be used for graphing points and trajectories of the points in a Cartesian coordinate system while the user is pronouncing a vowel. Thus, graphic feedback for vowel pronunciation may be obtained.
    • 公开了一种获得元音质量视觉反馈的方法。 通过对共振体中的音频信号进行滤波和分解,一个或多个软件模块和/或应用可以确定与元音对应的音频信号中的音素的类型。 第一和第二共振峰可以以其频率进行测量; 随后可将第一共振峰和第二共振峰的频率值分配为X和Y坐标。 这些(X,Y)坐标可以用于在用户发音元音时在笛卡尔坐标系中的点的图形点和轨迹。 因此,可以获得元音发音的图形反馈。