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    • 72. 发明授权
    • Closed-loop piezoelectric pump
    • 闭环压电泵
    • US07048519B2
    • 2006-05-23
    • US10412857
    • 2003-04-14
    • Arthur FongMarvin Glenn Wong
    • Arthur FongMarvin Glenn Wong
    • F04B17/00
    • F04B43/046F04B43/095
    • A closed-loop piezoelectric pump is disclosed for use in a fluid delivery system. The pump housing includes a movable diaphragm that defines a pumping chamber within the pump housing, the pumping chamber having an inlet for admitting fluid and an outlet for emitting fluid. A piezoelectric transducer is coupled to the moveable diaphragm and operates to produce a pumping action by varying the volume of the pumping chamber. The piezoelectric transducer may be used to generate an acoustic pressure pulse within the fluid delivery system and to sense reflections of the acoustic pressure pulse caused by impedance changes downstream of the pump. Properties of the fluid path downstream of pump may be determined from the characteristics of the sensed reflections.
    • 公开了一种用于流体输送系统的闭环压电泵。 泵壳体包括在泵壳体内限定泵送室的可移动隔膜,泵送室具有用于允许流体的入口和用于排出流体的出口。 压电传感器耦合到可移动隔膜并且通过改变泵送室的体积来操作以产生泵送动作。 压电传感器可用于在流体输送系统内产生声压脉冲,并且感测由泵下游的阻抗变化引起的声压脉冲的反射。 泵下游的流体路径的特性可以根据所感测的反射特性来确定。
    • 73. 发明授权
    • Reflecting wedge optical wavelength multiplexer/demultiplexer
    • 反射楔形光波长多路复用器/解复用器
    • US06956990B2
    • 2005-10-18
    • US10413270
    • 2003-04-14
    • Marvin Glenn WongArthur Fong
    • Marvin Glenn WongArthur Fong
    • G02B6/34G02B6/35G02B6/26G02B6/42H04J14/00
    • G02B6/3502G02B6/29361G02B6/3546G02B6/3578G02B6/3582
    • A method and apparatus for multiplexing and demultiplexing optical signals. The apparatus includes first and second optical waveguides coupled via an optical coupler. The optical coupler has a coupling waveguide and an optical switching wedge attached to a piezoelectric actuator. In operation, first and second optical signals are received by the first and second optical waveguides, respectively. If the signals are to be combined, the optical switching wedge is moved to a first position where it is optically coupled to the first optical waveguide. The first optical signal is then transmitted, via the coupling waveguide, to the second optical waveguide, where it is combined with the second optical signal. If the signals are not to be combined, the optical switching wedge is moved to a second position where it is optically uncoupled from the first optical waveguide.
    • 一种用于复用和解复用光信号的方法和装置。 该装置包括通过光耦合器耦合的第一和第二光波导。 光耦合器具有耦合波导和附接到压电致动器的光学切换楔。 在操作中,第一和第二光信号分别由第一和第二光波导接收。 如果要组合信号,则光学切换楔块被移动到第一位置,在第一位置光学耦合到第一光波导。 然后,第一光信号经由耦合波导传输到第二光波导,在该第二光波导处与第二光信号组合。 如果信号不被组合,则光学切换楔形件移动到第二位置,在第二位置,光学切换楔形件与第一光学波导光学地分离。
    • 75. 发明授权
    • Longitudinal electromagnetic latching optical relay
    • 纵向电磁闭锁光电继电器
    • US06920259B2
    • 2005-07-19
    • US10412868
    • 2003-04-14
    • Marvin Glenn WongArthur Fong
    • Marvin Glenn WongArthur Fong
    • G02B26/02G02B6/35G02B6/26G02B6/42
    • G02B6/3572G02B6/3514G02B6/3538G02B6/355G02B6/358
    • An electromagnetic optical relay is disclosed in which a solid slug moves within a switching channel formed in relay housing. An optical path passing through the switching channel is blocked or unblocked by motion of the solid slug. Motion of the solid slug is controlled by at least two electromagnetic actuators, such as electrical coils surround the switching channel. Motion of the solid slug is resisted by a liquid, such as a liquid metal, that wets between the solid slug and at least one fixed contact pad in the switching channel. The surface tension of the liquid provides a latching mechanism for the relay. An optical signal may be reflected from the wetted surface of the solid slug and switched to an alternative optical path.
    • 公开了一种电磁光继电器,其中固体块塞在形成在继电器壳体中的开关通道内移动。 通过切换通道的光路被固体块的运动阻挡或解除阻塞。 固体块的运动由至少两个电磁致动器控制,例如围绕开关通道的电线圈。 固体块塞的运动被诸如液体金属的液体抵抗,该液体在固体块和开关通道中的至少一个固定接触焊盘之间润湿。 液体的表面张力为继电器提供了一个闭锁机构。 光信号可以从固体块的润湿表面反射并切换到另一光路。
    • 76. 发明授权
    • Fluid-based switch
    • 基于流体的开关
    • US06906271B2
    • 2005-06-14
    • US10413851
    • 2003-04-14
    • Arthur FongMarvin Glenn Wong
    • Arthur FongMarvin Glenn Wong
    • H01H29/28H01H29/00
    • H01H29/28H01H2029/008
    • Fluid-based switches and a method for producing the same are disclosed. In one embodiment, the switch comprises first and second mated substrates defining therebetween at least portions of a number of cavities, a plurality of electrodes exposed within one or more of the cavities, a switching fluid that serves to open and close at least a pair of electrodes in response to forces applied to the switching fluid, a surface tension modifier coating at least a portion of the switching fluid, and an actuating fluid, held within one or more of the cavities, that applies the forces to the switching fluid.
    • 公开了基于流体的开关及其制造方法。 在一个实施例中,开关包括第一和第二配对基板,其间限定多个空腔的至少一部分,在一个或多个空腔内暴露的多个电极,用于打开和关闭至少一对 响应于施加到开关流体的力的电极,表面张力调节剂涂覆开关流体的至少一部分,以及保持在一个或多个空腔内的致动流体,其将力施加到开关流体。
    • 78. 发明授权
    • Wetting finger latching piezoelectric relay
    • 湿润手指闭锁压电继电器
    • US06903492B2
    • 2005-06-07
    • US10413058
    • 2003-04-14
    • Marvin Glenn WongPaul Thomas Carson
    • Marvin Glenn WongPaul Thomas Carson
    • H01H57/00H01L41/08H01H29/04
    • H01H57/00H01H2001/0042H01H2029/008H01H2057/006
    • An electrical relay having two wettable electrical contacts, each supporting a conducting liquid. A wettable switch finger is moved from a non-deflected position to first and second positions by action of an actuator. In the first position the switch finger touches the conducting liquid and causes it to wet between the contacts and the switch and thereby complete an electrical circuit between the contacts. When the switch finger is in the second position, the conducting liquid cannot wet between first and second contacts and the switch finger and the electrical circuit between the first and second contacts is broken. The switch finger may be located at the free end of a beam that is deflected or bent by the action of piezoelectric elements.
    • 具有两个可润湿的电触头的继电器,每个支撑导电液体。 通过致动器的作用,可湿性开关手指从非偏转位置移动到第一和第二位置。 在第一位置,开关手指接触导电液体并使其在触点和开关之间湿润,从而在触点之间完成电路。 当开关手指处于第二位置时,导电液体不能在第一和第二触点之间被湿润,并且开关指状物和第一和第二触点之间的电路断开。 开关指可以位于通过压电元件的作用而偏转或弯曲的梁的自由端。
    • 79. 发明授权
    • Method and structure for a solid slug caterpillar piezoelectric relay
    • 固体卡特彼勒压电继电器的方法和结构
    • US06876132B2
    • 2005-04-05
    • US10413088
    • 2003-04-14
    • Arthur FongMarvin Glenn Wong
    • Arthur FongMarvin Glenn Wong
    • H01H57/00H01L41/08H01H1/08
    • H01H57/00H01H2029/008H01H2057/006
    • A method and structure for an electrical switch. A gas-filled chamber is housed within a solid material. Contacts within the gas-filled chamber are coupled to the solid material, while a plurality of piezoelectric elements within the gas-filled chamber are also coupled to the solid material. A slug within the gas-filled chamber is coupled to one or more of the plurality of contacts and further coupled to one or more of the plurality of piezoelectric elements. A liquid metal within the gas-filled chamber is coupled to the slug, and coupled to the plurality of contacts. One or more of the piezoelectric elements are actuated, with the actuation of the one or more piezoelectric elements causing the slug coupled to the one or more piezoelectric elements to move from a first number of contacts to a second number of contacts wherein the first number of contacts and the second number of contacts are wetted by the liquid metal. The movement of the slug from the first number of contacts to the second number of contacts breaks a liquid metal surface tension between the slug and the first number of contacts and establishes a coupling between the slug and the second number of contacts, thereby enabling the liquid metal switch to change from a first state to a second state.
    • 一种电气开关的方法和结构。 充满气体的室容纳在固体材料内。 气体填充室内的接触件与固体材料相连,同时气体填充腔室内的多个压电元件也与固体材料结合。 气体填充室内的塞子联接到多个触点中的一个或多个,并且还耦合到多个压电元件中的一个或多个。 气体填充室内的液态金属被连接到芯块上,并且耦合到多个触点。 一个或多个压电元件被致动,一个或多个压电元件的致动导致与一个或多个压电元件耦合的芯块从第一数量的触点移动到第二数量的触点,其中第一数量的 触点和第二数量的触点被液态金属润湿。 塞子从第一数量的触点移动到第二数量的触点破坏了塞子和第一数量的触点之间的液态金属表面张力,并且在塞子和第二数量的触点之间建立了联接,从而使液体 金属开关从第一状态切换到第二状态。