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    • 52. 发明授权
    • Dimming circuit for a phase-cut TRIAC dimmer
    • 相位切割TRIAC调光器调光电路
    • US09271353B2
    • 2016-02-23
    • US14333620
    • 2014-07-17
    • Timothy ChenHaiyan Wang
    • Timothy ChenHaiyan Wang
    • H05B33/08H05B41/28B23H1/02
    • H05B33/0815B23H1/024H05B33/0845H05B33/0896
    • A dimmer circuit for at least one LED is disclosed. The LED is controlled by a TRIAC dimmer. A leakage current flows through the TRIAC dimmer if the TRIAC dimmer is off. The dimmer circuit include inputs for receiving a source of incoming AC power, a rectifier for receiving the source of incoming AC power and producing a DC voltage, a controller for receiving the DC voltage from the rectifier and providing a switching signal, a first circuit, and a loading circuit. The first circuit receives the switching signal from the controller. The first circuit includes a first switching element that is selectively activated based on the switching signal. The loading circuit receives the switching signal from the controller. The loading circuit includes a second switching element that is activated if the first switching element is deactivated. The loading circuit selectively provides a minimum loading current.
    • 公开了至少一个LED的调光电路。 LED由TRIAC调光器控制。 如果TRIAC调光器关闭,则泄漏电流流过TRIAC调光器。 调光电路包括用于接收输入AC电源的输入端,用于接收输入AC电源的源并产生DC电压的整流器,用于从整流器接收DC电压并提供开关信号的控制器,第一电路, 和加载电路。 第一个电路从控制器接收切换信号。 第一电路包括基于开关信号选择性地激活的第一开关元件。 加载电路从控制器接收切换信号。 加载电路包括第二开关元件,如果第一开关元件被去激活,则第二开关元件被激活。 负载电路选择性地提供最小负载电流。
    • 53. 发明授权
    • Electrospinning device for fabricating membrane by using spinnerets aligned in machine direction and transverse direction and method for using the same
    • 通过使用在机器方向和横向上排列的喷丝头制造膜的静电纺丝装置及其使用方法
    • US08827672B2
    • 2014-09-09
    • US13379641
    • 2010-06-23
    • Dayong WuHaiyan WangJianhua Cao
    • Dayong WuHaiyan WangJianhua Cao
    • D01D5/00
    • D01D5/0061D01D5/003D01D5/0069D04H1/4382D04H1/728D04H3/016D04H3/02
    • The present invention relates to an electrospinning device for fabricating a membrane, in particular, to an electrospinning device for fabricating membrane by using spinnerets aligned in machine direction (MD) and transverse direction (TD) in a high-voltage DC electric field, and to method for using the same. In addition to producing a single-layer nanofiber membrane from a polymer composite, the electrospinning device according to the present invention can also conveniently produce a multilayer composite nanofiber membrane from more than one polymer composites. The electrospinning device comprises a control section, an electrospinning section and an ancillary section. The electrospinning section comprises a MD spinnerets set and a TD spinnerets set that are alternately arranged and moves above a membrane collecting device in a to-and-fro scanning manner so as to improve the evenness and strength of the obtained membrane. The high-voltage DC electric field is applied between the MD and TD spinnerets sets and a stainless steel conveyer belt for collecting the membrane. A polymer solution supplied to the MD and TD spinnerets sets is split into nanoflows under the action of the electric field, accumulated on the stainless steel conveyer belt to form a membrane and carried to a collecting roller to be collected.
    • 本发明涉及一种用于制造膜的静电纺丝装置,特别涉及一种通过使用在高压DC电场中沿机器方向(MD)和横向(TD)排列的喷丝头制造膜的静电纺丝装置,以及 使用方法 除了从聚合物复合材料制造单层纳米纤维膜之外,根据本发明的静电纺丝装置还可以方便地从多于一种的聚合物复合材料制备多层复合纳米纤维膜。 电纺设备包括控制部分,静电纺丝部分和辅助部分。 静电纺丝部分包括:MD喷丝板组和TD喷丝板组,其以往复扫描的方式交替布置并移动到膜收集装置上方,以提高所获得的膜的均匀度和强度。 高压直流电场施加在MD和TD喷丝板组之间,以及用于收集膜的不锈钢输送带。 提供给MD和TD喷丝头组的聚合物溶液在电场作用下分裂成纳米泡,积聚在不锈钢输送带上以形成膜并携带到收集辊上进行收集。
    • 54. 发明申请
    • OPTIMIZED SURGERY SCHEDULING
    • 优化的手术调度
    • US20140039906A1
    • 2014-02-06
    • US13563575
    • 2012-07-31
    • Haiyan WangCipriano A. SantosEnis KayisShailendra K. JainSharad SinghalMaria Teresa Gonzalez Diaz
    • Haiyan WangCipriano A. SantosEnis KayisShailendra K. JainSharad SinghalMaria Teresa Gonzalez Diaz
    • G06Q50/22
    • G06Q10/06G06Q50/22
    • Techniques for generating optimized surgery schedules are described in various implementations. In one example implementation, a method that implements the techniques includes receiving a plurality of surgery scheduling requests for surgical procedures to be performed at a surgical facility having a plurality of operating rooms. The method also includes identifying resource constraints associated with the surgery scheduling requests, and identifying an optimization goal for the surgical facility, the optimization goal being defined using weighted optimization parameters. The method also includes generating a proposed surgery schedule for the surgical facility that includes sequencing and operating room assignments for each of the surgical procedures to be performed, the proposed surgery schedule satisfying the resource constraints and being optimized based on the optimization goal for the surgical facility. The method also includes simulating the proposed surgery schedule to determine expected operational metrics associated with the proposed surgery schedule.
    • 在各种实施方式中描述了用于产生优化的手术进度的技术。 在一个示例实现中,实现技术的方法包括:在具有多个手术室的手术设备处接收用于外科手术的多个手术调度请求。 该方法还包括识别与手术调度请求相关联的资源约束,以及识别手术设备的优化目标,使用加权优化参数来定义优化目标。 该方法还包括产生外科手术设备的建议手术时间表,其包括要执行的每个手术程序的排序和手术室分配,所提出的手术方案满足资源约束并且基于外科手术设备的优化目标进行优化 。 该方法还包括模拟所提出的手术时间表以确定与所提出的手术时间表相关联的预期操作指标。