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    • 6. 发明申请
    • PRESSURE DETECTOR
    • 压力检测器
    • WO1982002114A1
    • 1982-06-24
    • PCT/US1981001591
    • 1981-11-27
    • IVAC CORP
    • IVAC CORPBUSCHE WILLIAM W
    • H01H35/34
    • H01H35/34
    • The field of the invention is pressure measurement. The problem is the need for an effective, safe and reliable device for sensing fluid pressure in the tubing leading into a patient for administering parenteral fluids. The pressure detector of the present invention includes a conventional pressure diaphragm (19) having a flexible membrane (21) that is movable in accordance with the pressure of the fluid being administered. The pressure detector further includes a special receptacle (23) for retaining the pressure diaphragm, and a special follower assembly (25) that is moved in a prescribed fashion by installation of the diaphragm membrane due to variations in fluid pressure. A pair of electrical contacts (31a and 31b) are controllably moved together and apart by the follower assembly, to provide an electrical signal whenever the diaphragm is not installed or, if it is installed, whenever the fluid pressure exceeds a prescribed threshold.
    • 本发明的领域是压力测量。 问题是需要一种有效,安全和可靠的装置,用于检测通向患者的管道中的流体压力,以供给肠胃外流体。 本发明的压力检测器包括常规的压力隔膜(19),其具有柔性膜(21),该柔性膜可根据所施用的流体的压力而移动。 压力检测器还包括用于保持压力隔膜的特殊容器(23),以及由于流体压力的变化而通过安装隔膜而以规定的方式移动的特殊从动组件(25)。 一对电触头(31a和31b)可由可调节地由跟随器组件一起移动并隔开,以便每隔一个隔膜不安装时,或者如果安装的话,每当流体压力超过规定的阈值时提供电信号。
    • 8. 发明申请
    • ELECTRICAL MONITORING SYSTEM
    • 电气监控系统
    • WO1982002096A1
    • 1982-06-24
    • PCT/US1981001592
    • 1981-11-27
    • IVAC CORP
    • IVAC CORPKREINICK STEPHEN JDENNY BRADLEY J
    • G01R31/28
    • G01R31/2834
    • An electrical system for uniquely energizing and monitoring the performance of any one of a plurality of electrical components connected in a row and column matrix which can be selectively addressed by a computer controlled address selection subsystem. A microprocessor with an 8-bit output port (25a, 25b) drives a pair of 4 to 16 decoders (26, 27) for selecting individual row and column switches (16-19, 20-23) in the component connection matrix, all of the column switches being connected to ground through a resistor ladder (30), and a window comparator (31) compares the resistor ladder voltage with maximum and minimum voltages to set a single computer input bit (32) as a measure of the performance of any selectively addressed and energized component.
    • 一种电气系统,用于独特地激励和监测可以由计算机控制的地址选择子系统选择性地寻址的行和列矩阵中连接的多个电气部件中的任何一个的性能。 具有8位输出端口(25a,25b)的微处理器驱动一对4至16个解码器(26,27),用于在组件连接矩阵中选择单独的行和列开关(16-19,20-23),全部 的列开关通过电阻梯(30)连接到地,并且窗口比较器(31)将电阻梯形电压与最大和最小电压进行比较,以将单个计算机输入位(32)设置为测量 任何选择性寻址和激励的组件。