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    • 1. 发明授权
    • LED flashlight with battery life indicator
    • LED手电筒,带电池寿命指示灯
    • US08463565B1
    • 2013-06-11
    • US13336796
    • 2011-12-23
    • Ralph OsterhoutMichael J. KeatingAntony Van der Mude
    • Ralph OsterhoutMichael J. KeatingAntony Van der Mude
    • G01R31/36
    • F21L4/005H01M10/443H02J7/0047
    • A flashlight includes a light powered by a battery, and a circuit having: a memory for storing a battery life information and voltage output information versus time for the battery to power the light, a controller operating a count down timer to accumulate an amount of time that the battery powers the light, a voltage measure circuit for monitoring the voltage output by the battery while the battery powers the light and supply the voltage output to the controller. The controller determines: a first remaining battery life by comparing the accumulated time to the battery life, a second remaining battery life by comparing the voltage output to the voltage output information, and the lesser of the first and second remaining battery lives. The flashlight includes a display for receiving a command from the controller to display the lesser of the first remaining battery life and the second remaining battery life.
    • 手电筒包括由电池供电的光,以及电路,具有:存储器,用于存储电池寿命信息和电压输出信息对电池供电的时间,控制器操作倒计时定时器以累积一定时间量 电池为光源供电,一个电压测量电路,用于在电池供电并向控制器提供电压输出时监视电池输出的电压。 所述控制器通过将所述累积时间与所述电池寿命进行比较来确定第一剩余电池寿命,通过将所述电压输出与所述电压输出信息进行比较来计算第二剩余电池寿命,以及所述第一和第二剩余电池寿命中的较小者。 手电筒包括用于从控制器接收命令以显示第一剩余电池寿命和第二剩余电池寿命中的较小者的显示器。
    • 5. 发明授权
    • Fluid dispense verification system
    • 流体分配验证系统
    • US06851453B2
    • 2005-02-08
    • US10425615
    • 2003-04-30
    • James H. LipscombAnna JurikBernard KatzMichael J. KeatingStone KlenglerJohn J. KotlarikMieczyslaw Wroblewski
    • Larry Jurik
    • G01F23/26G01N35/08G01N35/10F16L55/00B01L3/02F16L9/22G01F1/56
    • G01N35/1009G01N35/1016G01N2035/1025Y10T137/8326
    • A sensor for detecting contact of a fluid delivery probe with a fluid surface and for detecting fluid flow through the probe includes a first electrode disposed along a fluid flow path of the probe upstream from a distal tip of the probe and a second electrode longitudinally spaced and electrically isolated from the first electrode and disposed at the distal tip of the probe. An oscillating signal is transmitted through the first electrode, and at least a portion of the signal is received through the second electrode. Through changes in the received signal due to the distal tip of the probe coming into contact with a fluid surface or due to fluid flow through the conduit between the first and second electrodes, fluid surface contact and fluid flow can be detected. A pressure sensor can be employed to monitor internal fluid pressure within the fluid conduit of the fluid delivery probe as a secondary, redundant mechanism for detecting fluid flow through the conduit.
    • 用于检测流体传送探针与流体表面的接触并用于检测通过探针的流体流动的传感器包括沿着探针的远侧末端上游的探针的流体流动路径设置的第一电极和纵向间隔开的第二电极, 与第一电极电隔离并设置在探针的远端。 振荡信号通过第一电极传输,信号的至少一部分通过第二电极被接收。 通过由于探针的远端与流体表面接触或由于流体流过第一和第二电极之间的导管而导致的接收信号的变化,可以检测流体表面接触和流体流动。 可以使用压力传感器来监测流体输送探针的流体导管内的内部流体压力,作为用于检测通过导管的流体流动的次要冗余机构。