Abstract: An attitude-adaptive hydrofoil apparatus, including: strut-braced wing assemblies, a horizontal wing assembly, connection plates, and attack angle adjusting plates. The strut-braced wing assemblies each include a bearing, at least one inclined tube, at least one inclined flow-guiding wing, and at least one stop dog. The horizontal wing assembly includes a horizontal tube, at least one horizontal flow-guiding wing, and at least one depth-locating wing. The attack angle adjusting plates each include an angle adjusting end plate having a hole. The strut-braced wing assemblies are symmetrically disposed at two sides of the horizontal wing assembly. The bearing is fixed on a vessel body by welding. The at least one inclined flow-guiding wing is sleeved on the at least one inclined tube, and is limited by the at least one stop dog. The attack angle adjusting plates are disposed at two ends of the horizontal tube, respectively.

Abstract: An electromagnetic marine fender, including: a rubber fender, two electromagnet groups, tensile steel ropes, an electric cable, and a waterproof power socket. Each electromagnet group includes at least one electromagnet. The electromagnet coils of the electromagnets have the same winding direction. The two electromagnet groups are disposed on two sides of the rubber fender, and the two electromagnet groups and the rubber fender are connected and fixed as a whole by the tensile steel ropes. The electromagnet is a combination structure including an electromagnet core, an electromagnet coil, an electromagnet steel shell, and a rubber coating covering the electromagnet steel shell from the center outward. The electromagnet coils of the electromagnets of the two electromagnet groups are connected in parallel, and the two electromagnet groups are in electric connection to the waterproof power socket via the electric cable.

Abstract: A carrying device for a side-scan sonar, including a suspension rod, a hanging rack, and a flange. The side-scan sonar is in fixed connection to the lower part of the hanging rack. The suspension rod includes a suspension unit, a universal joint, and a tension rod. The flange is disposed below the lower part of the tension rod. The hanging rack includes a Z-shaped main cross beam. Two U-shaped hooks are disposed at two ends of the Z-shaped main cross beam for supporting the side-scan sonar. A vertical drag hook is disposed in the inner side of each of the two U-shaped hooks for hanging the side-scan sonar. The flange is fixed in the center of the Z-shaped main cross beam.

Abstract: An electromagnetic marine fender, including: a rubber fender, two electromagnet groups, tensile steel ropes, an electric cable, and a waterproof power socket. Each electromagnet group includes at least one electromagnet. The electromagnet coils of the electromagnets have the same winding direction. The two electromagnet groups are disposed on two sides of the rubber fender, and the two electromagnet groups and the rubber fender are connected and fixed as a whole by the tensile steel ropes. The electromagnet is a combination structure including an electromagnet core, an electromagnet coil, an electromagnet steel shell, and a rubber coating covering the electromagnet steel shell from the center outward. The electromagnet coils of the electromagnets of the two electromagnet groups are connected in parallel, and the two electromagnet groups are in electric connection to the waterproof power socket via the electric cable.

Abstract: The present disclosure provides an electrochemical device, which comprises a plurality of cells which are stacked in a step configuration, electrode tabs of the same polarity of the plurality of cells are electrically connected together. Compared with only using a single wound-type cell or only using a single laminated-type cell, the plurality of cells stacked in the step configuration of the present disclosure can more flexibly adapt to an irregular inner space of an electronic device using the electrochemical device, so that the inner space in the electronic device is fully used, the performance of the electrochemical device for use in the electronic device is improved, and the manufacturing process is more simple, flexible and efficient.

Abstract: MEMS microphone packages and fabrication methods thereof are disclosed. One method for fabricating a MEMS microphone package, includes providing a substrate, forming a cavity enclosed by a top cover part, wherein a housing wall part surrounds and supports the top cover part, and the substrate supports the housing wall part and the cover part, forming a MEMS sensing element and an IC chip inside the cavity, forming an opening comprising an acoustic passage connecting the cavity to an ambient space, and forming a conductive casing enclosing the top cover part and the housing wall, wherein the conductive casing is soldered to a PCB board and is electrically connected to a common analog ground lead on the PCB board.

Abstract: A silicon microphone package is provided, including an integrated microphone die having opposing first and second surfaces, a first cover member formed over the first surface of the integrated microphone die to form a first chamber therebetween, and a second cover member formed over the second surface of the integrated microphone die to form a second chamber therebetween.

Abstract: MEMS microphone packages and fabrication methods thereof are disclosed. A MEMS microphone package includes a casing with a conductive part disposed over a substrate, to enclose a cavity. A MEMS acoustic sensing element and an IC chip are disposed inside the cavity. An opening with an acoustic passage connects the cavity to an ambient space. A first ground pad is disposed on a backside of the substrate connecting to the conductive part of the casing through a via hole of the substrate. A second ground pad is disposed on the backside of the substrate connecting to the MEMS acoustic sensing element or the IC chip through an interconnection of the substrate, wherein the first ground pad and the second ground pad are isolated from each other.

Abstract: A monolithic silicon microphone including a first backplate, a second backplate and a diaphragm displaced between said first backplate and said second backplate. Said first backplate is supported by a silicon substrate with one or more perforation holes. Said second substrate is attached to a perforated plate which itself is supported on said substrate. Said monolithic silicon microphone has integrated signal conditioning circuit, and is said diaphragm, said first backplate, said second backplate, and said signal conditioning circuit are electrically interconnected. Signals from said diaphragm, said first backplate, and said second backplate are fed into said signal conditioning circuit, and are amplified differentially.

Abstract: This invention relates to a miniature silicon capacitive microphone having a perforated backplate supported on a substrate, a shallowly corrugated and perforated diaphragm that is suspended above said backplate and said suspended shallowly corrugated and perforated diaphragm is fully clamped and anchored on the said substrate at the edge of said diaphragm. Said perforated backplate is isolated electrically from said substrate by a layer of dielectric material. Said suspended shallowly corrugated diaphragm has a plurality of perforation holes to allow the passage of slow varying ambient pressure, and to equalize the barometric pressure in and out of the back cavity.

Abstract: MEMS microphone packages and fabrication methods thereof are disclosed. A MEMS microphone package includes a cavity that houses a MEMS sensing element, an IC chip and other passive elements supported by a common substrate. The cavity is formed by a top cover member, a housing wall surrounds and supports the top cover member and the common substrate supports the housing wall. A conductive casing encloses and surrounds the cavity, and is electrically connected to a common analog ground lead on a PCB board. The top cover member and the housing wall are non-conductive. And the conductive casing is not connected directly to the ground leads of the package. An acoustic absorption layer is sandwiched between the conductive casing and the cavity which is formed by the top cover member, the housing wall and the substrate.

Abstract: This invention relates to a micromachined fluid ejector array having a fluid reservoir bounded at one side by an elastic membrane having scalable arrays of orifices arranged between concentric piezoelectric transducers, and at another side by a top cover supported by surrounding walls. By actuating neighboring concentric piezoelectric transducers, the scalable array of orifices arranged between the actuated neighboring concentric piezoelectric transducers deflect to eject fluid droplets. Also disclosed is a micromachined fluid ejector array having a fluid reservoir bounded at one side by an elastic membrane having scalable arrays of orifices arranged between concentric piezoelectric transducers, and at another side by a top cover supported by surrounding walls. A piezoelectric layer is bonded on top of the top cover.

Abstract: A data synchronization system and method. The method includes that when a change happens in a source application, data is collected from a source application based on a target application subscribing the source application and collection data is transmitted to the target application or is directly inserted to target database. The system includes data collection unit and distribution unit. The present invention may realize synchronization on demand, simultaneously reduce greatly synchronous data quantity, decrease network load, and guarantee smoothness and stabilization of network. The present invention applies to data synchronization of enterprise internal/external data systems, telecommunication networks, etc.

Abstract: A silicon microphone package is provided, including an integrated microphone die having opposing first and second surfaces, a first cover member formed over the first surface of the integrated microphone die to form a first chamber therebetween, and a second cover member formed over the second surface of the integrated microphone die to form a second chamber therebetween.

Abstract: MEMS microphone packages and fabrication methods thereof are disclosed. A MEMS microphone package includes a casing with a conductive part disposed over a substrate, to enclose a cavity. A MEMS acoustic sensing element and an IC chip are disposed inside the cavity. An opening with an acoustic passage connects the cavity to an ambient space. A first ground pad is disposed on a backside of the substrate connecting to the conductive part of the casing through a via hole of the substrate. A second ground pad is disposed on the backside of the substrate connecting to the MEMS acoustic sensing element or the IC chip through an interconnection of the substrate, wherein the first ground pad and the second ground pad are isolated from each other.

Abstract: This invention relates to a micromachined microfluidics diagnostic device that comprises one or multiple assaying channels each of which is comprised a sample port, a first valve, a reaction chamber, a second valve, a fluid ejector array, a third valve, a buffer chamber, a capture zone and a waste chamber. Each of these device components are interconnected through microfluidic channels. This invention further relates to the method of operating a micromachined microfluidic diagnostic device. The flow of fluid in the microchannels is regulated through micromachined valves. The reaction of sample analytes with fluorescent tags and detection antibodies in the reaction chamber are enhanced by the micromachined active mixer. By ejecting reaction mixture onto the capture zone through micromachined fluid ejector array, the fluorescent tagged analytes bind with capturing antiodies on capture zone. The fluid ejector array further ejects buffer fluid to wash away unbound fluorescent tags.

Abstract: MEMS microphone packages and fabrication methods thereof are disclosed. A MEMS microphone package includes a cavity that houses a MEMS sensing element, an IC chip and other passive elements supported by a common substrate. The cavity is formed by a top cover member, a housing wall surrounds and supports the top cover member and the common substrate supports the housing wall. A conductive casing encloses and surrounds the cavity, and is electrically connected to a common analog ground lead on a PCB board. The top cover member and the housing wall are non-conductive. And the conductive casing is not connected directly to the ground leads of the package. An acoustic absorption layer is sandwiched between the conductive casing and the cavity which is formed by the top cover member, the housing wall and the substrate.

Abstract: This invention relates to a micromachined microfluidics diagnostic device that comprises one or multiple assaying channels each of which is comprised a sample port, a first valve, a reaction chamber, a second valve, a fluid ejector array, a third valve, a buffer chamber, a capture zone and a waste chamber. Each of these device components are interconnected through microfluidic channels. This invention further relates to the method of operating a micromachined microfluidic diagnostic device. The flow of fluid in the microchannels is regulated through micromachined valves. The reaction of sample analytes with fluorescent tags and detection antibodies in the reaction chamber are enhanced by the micromachined active mixer. By ejecting reaction mixture onto the capture zone through micromachined fluid ejector array, the fluorescent tagged analytes bind with capturing antiodies on capture zone. The fluid ejector array further ejects buffer fluid to wash away unbound fluorescent tags.

Abstract: A data synchronization system and method. The method includes that when a change happens in a source application, data is collected from a source application based on a target application subscribing the source application and collection data is transmitted to the target application or is directly inserted to target database. The system includes data collection unit and distribution unit. The present invention may realize synchronization on demand, simultaneously reduce greatly synchronous data quantity, decrease network load, and guarantee smoothness and stabilization of network. The present invention applies to data synchronization of enterprise internal/external data systems, telecommunication networks, etc.

Abstract: This invention relates to a micromachined microfluidics diagnostic device that comprises one or multiple assaying channels each of which is comprised a sample port, a first valve, a reaction chamber, a second valve, a fluid ejector array, a third valve, a buffer chamber, a capture zone and a waste chamber. Each of these device components are interconnected through microfluidic channels. This invention further relates to the method of operating a micromachined microfluidic diagnostic device. The flow of fluid in the microchannels is regulated through micromachined valves. The reaction of sample analytes with fluorescent tags and detection antibodies in the reaction chamber are enhanced by the micromachined active mixer. By ejecting reaction mixture onto the capture zone through micromachined fluid ejector array, the fluorescent tagged analytes bind with capturing antiodies on capture zone. The fluid ejector array further ejects buffer fluid to wash away unbound fluorescent tags.