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    • 52. 发明授权
    • Gas, fire and earthquake detector
    • 气体,火灾和地震检测仪
    • US06661346B1
    • 2003-12-09
    • US08811059
    • 1997-03-03
    • Raymond WoodGary Anderson
    • Raymond WoodGary Anderson
    • G01W100
    • G08B21/10G01V1/008
    • A safety system for a building has an earthquake detector circuit for detecting ground accelerations exceeding a threshold acceleration/frequency curve dividing safe and hazardous ground accelerations throughout a predetermined frequency range. The earthquake detector includes an accelerometer for measuring linear acceleration along an axis, and for generating an acceleration signal indicative of a magnitude of the measured acceleration. A filter circuit produces a filtered acceleration signal from the acceleration signal. The gain/frequency characteristic of the filter circuit is a reflection of the threshold acceleration/frequency curve, such that ground accelerations falling on the threshold acceleration/frequency curve yield a filtered acceleration signal having a substantially constant value throughout the frequency range. Finally, a threshold circuit compares the filtered acceleration signal to a predetermined threshold voltage, and produces an earthquake detected signal indicative of the comparison result. The safety system can also include a gas detector circuit capable of detecting a gas in air, and generating a gas detected signal in response to detection of the gas. A smoke detector circuit can also be provided for generating a smoke detected signal. A main unit including a microprocessor is responsive to the earthquake detected signal, the gas detected signal and the smoke detected signal, and generates a first control signal in response to any of the earthquake detected signal, the gas detected signal and the smoke detected signal. A valve controller closes a gas valve to shut off a supply of gas in response to the first control signal.
    • 建筑物的安全系统具有地震检测器电路,用于检测超过在预定频率范围内划分安全和危险的地面加速度的阈值加速度/频率曲线的地面加速度。 地震检测器包括用于沿轴线测量线性加速度的加速度计,并且用于产生指示所测量的加速度的大小的加速度信号。 滤波器电路从加速度信号产生滤波的加速度信号。 滤波器电路的增益/频率特性是阈值加速度/频率曲线的反映,使得落在阈值加速度/频率曲线上的接地加速度在整个频率范围内产生具有基本恒定值的滤波加速度信号。 最后,阈值电路将滤波的加速度信号与预定阈值电压进行比较,并产生表示比较结果的地震检测信号。 安全系统还可以包括能够检测空气中的气体的气体检测器电路,并且响应于气体的检测而产生气体检测信号。 还可以提供烟雾检测器电路以产生烟雾检测信号。 包括微处理器的主单元响应于地震检测信号,气体检测信号和烟雾检测信号,并且响应于地震检测信号,气体检测信号和烟雾检测信号中的任一个产生第一控制信号。 阀控制器关闭气阀以响应于第一控制信号切断气体供应。
    • 55. 发明授权
    • Printer cartridge
    • 打印机墨盒
    • US06190454B1
    • 2001-02-20
    • US09186220
    • 1998-11-04
    • Dean Robert Gary Anderson
    • Dean Robert Gary Anderson
    • B05C502
    • B41J11/001B05B7/2483B05B17/04B41J2/01B41J2/04B41J2/17513B41J2/1752B41J3/407B41J2202/02
    • A cartridge for use with a printing apparatus of the type typically employed for digital printing in which a painting material is deposited in metered amounts on a print medium comprises a housing containing a drive wheel, a first idler disposed in a paint reservoir, a wire disposed around the wheel and the idler, and an air nozzle having at least one nozzle orifice therein for directing a jet of air toward said wire. As the drive wheel is rotated, as with an external drive mechanism, paint contained within the paint reservoir coats the wire and is drawn by the wire in the path of the air jet. The air jet removes at least a portion of the paint from the wire and deposits the paint onto a print medium. By employing a plurality of such cartridges into a single print head, each containing a different color of paint, a color image can be painted onto a print medium.
    • 一种用于通常用于数字印刷的类型的打印装置的墨盒,其中喷涂材料以计量量沉积在打印介质上,包括容纳驱动轮的外壳,设置在油漆储存器中的第一惰轮, 围绕车轮和惰轮,以及具有至少一个喷嘴孔的空气喷嘴,用于将空气射流引向所述线。 当驱动轮旋转时,与外部驱动机构一样,包含在油漆储存器内的油漆涂覆线,并且在空气射流的路径中被线吸引。 空气喷射器从线中去除油漆的至少一部分并将油漆沉积到打印介质上。 通过将多个这样的盒子采用在单个打印头中,每个打印头包含不同颜色的油漆,可以将彩色图像涂布在打印介质上。
    • 56. 发明授权
    • Method for coordinating motion control of a multiple axis machine
    • 用于协调多轴机器运动控制的方法
    • US5659480A
    • 1997-08-19
    • US495284
    • 1995-06-27
    • Robb Gary AndersonRobert D. LorenzAndrew Joseph Meyer
    • Robb Gary AndersonRobert D. LorenzAndrew Joseph Meyer
    • B23Q1/62B23Q5/40B23Q17/22G05B19/416G06F19/00B23D7/00G05B19/10G06F15/00
    • B23Q5/40B23Q1/623B23Q17/22G05B19/416G05B2219/43162G05B2219/50218G05B2219/50229Y10T409/309576
    • A multiple axis machine includes a plurality of servo-motors that produce movement of a member in at least two axes. The servo-motors are controlled by a computer which runs a simulation of a line shaft power train for producing movement of the member. Specifically, characteristics of a line shaft for powering the machine are defined along with characteristics of a pair of mechanical linkages with dynamically variable kinematics that are driven by the line shaft to produce movement along the two axes. The computer simulates a virtual line shaft using the line shaft characteristics and produces an angular acceleration, an angular velocity and an angular position of the virtual line shaft. The computer also simulates a pair of virtual mechanical linkages with dynamically variable kinematics based upon the linkage characteristics, and based on the angular acceleration, angular velocity and angular position of the virtual line shaft. The simulations produce control signals that operate actuators for each axis of the machine, and produce dynamically variable kinematic feedback force signals which are applied to the simulation of the virtual line shaft to simulate dynamically variable kinematic forces exerted by the mechanical linkages on the virtual line shaft.
    • 多轴机器包括多个伺服电动机,其在至少两个轴上产生构件的运动。 伺服电动机由运行模拟线轴传动系的计算机控制,以产生构件的运动。 具体来说,用于为机器供电的线轴的特征与具有动态可变运动学的一对机械连杆的特性一起被定义,所述机械连杆由线轴驱动以产生沿着两个轴的运动。 计算机使用线轴特性来模拟虚拟线轴,并产生虚拟线轴的角加速度,角速度和角位置。 计算机还基于联动特性,并且基于虚拟线轴的角加速度,角速度和角位置来模拟一对具有动态可变运动学的虚拟机械联动。 模拟产生控制信号,其操作机器的每个轴的致动器,并产生动态可变的运动学反馈力信号,其被施加到虚拟线轴的模拟,以模拟由机械连杆施加在虚拟线轴上的动态变化的运动力 。