Abstract: The present invention is to provide a mixing circuit, comprising: a first transistor; a second transistor; a third transistor; a first connection point connected to a gate terminal of the first transistor, a drain terminal of the second transistor and a source terminal of the third transistor; a second connection point connected to a source terminal of the first transistor and a gate terminal of the second transistor; and a third connection point connected to a drain terminal of the first transistor and a drain terminal of the third transistor.

Abstract: The disclosure provides a keyboard includes a bottom plate, a key unit and a shielding layer. The bottom plate includes a body part and a through hole. The key unit is disposed on the body part. The shielding layer covers a portion of the bottom plate and comprising a main part disposed on the body part and an extension part extending from the main part toward the through hole, wherein the extension part has a hole with a size larger than or substantially equal to a size of the through hole.

Abstract: A microfluidic system includes a microfluidic chip including a channel layer and a fluid control layer operatively connected to the channel layer, the channel layer having one or more fluid channels. The one or more channels are configured to contain a plurality of droplets. A valve control system is provided to control flow of fluid through the one or more fluid channels in the channel layer. The microfluidic system also includes a droplet impedance detection and feedback control system operatively connected to the valve control system. The droplet impedance detection and feedback control system is configured to detect at least a position of at least one droplet in a fluid channel and to send a signal to the valve control system to operate a particular valve at a particular time based on the detected position of the at least one droplet.

Abstract: The disclosure provides a positioning member includes a bottom plate and a shielding layer. The bottom plate includes a body part and a protruding part. The body part has a connection part. The protruding part has a through hole. The body part is upwardly connected to the protruding part through the connection part, such that the body part, the connection part and the protruding part jointly enclose an accommodating space below the through hole. An joint member having a stud and a head connected to the stud, wherein the stud passes through the through hole to be fixed in the accommodating space via the head. The shielding layer is disposed on the body part, partly extending to the through hole of the protruding part to shield the protruding part exposed by the joint member. A keyboard is further provided.

Abstract: A key structure is provided. The key structure includes a base plate, a keycap, a positioning element and a rod. The base plate has a through hole. The positioning element is engaged with the through hole. A projection area of the positioning element on the base plate along a lifting direction of the keycap is larger than an area of the through hole.

Abstract: Devices for assaying a biomolecule from a sample, including: a cartridge assembly structured to accept and secure a magnetofluidic cartridge to be used for the assaying, and a magnetic particle manipulation assembly arranged proximate the cartridge assembly, the magnetic particle manipulation assembly having a pair of magnets arranged to be on opposing sides of said magnetofluidic cartridge and which are substantially aligned along a line that will be transverse to the magnetofluidic cartridge such that the line can be aligned with a well in the magnetofluidic cartridge, and methods of using and assembling such devices.

Abstract: A key structure includes a base plate, a key cap, a supporting member, a link member, and a buffer member. The base plate includes a body portion and a protrusion portion protruding upward from the body portion. The body portion has an accommodating hole, the accommodating hole corresponds to the protrusion portion, and the protrusion portion has an opening. The key cap is disposed above the base plate. The supporting member is disposed between the key cap and the base plate. The link member includes a main body portion and an end portion. The main body portion is pivotally connected to the key cap, and the end portion is disposed at the opening of the protrusion portion. The buffer member is located below the end portion, and the end portion leans against the buffer member.

Abstract: The disclosure provides a positioning member includes a bottom plate and a shielding layer. The bottom plate includes a body part and a protruding part. The body part has a connection part. The protruding part has a through hole. The body part is upwardly connected to the protruding part through the connection part, such that the body part, the connection part and the protruding part jointly enclose an accommodating space below the through hole. An joint member having a stud and a head connected to the stud, wherein the stud passes through the through hole to be fixed in the accommodating space via the head. The shielding layer is disposed on the body part, partly extending to the through hole of the protruding part to shield the protruding part exposed by the joint member. A keyboard is further provided.

Abstract: Thermal management system for unmanned aerial vehicles are disclosed. An example housing for an unmanned aerial vehicle includes a central portion defining a cavity. The housing also includes a first arm to support a first propeller. The first arm has a first proximal end coupled to the central portion and a first distal end spaced from the central portion. The first distal end defines an inlet. The first arm defines a first fluid path in communication with the inlet and the central cavity. The housing also includes a second arm to support a second propeller. The second arm has a second proximal end coupled to the central portion and a second distal end spaced from the central portion. The second distal end defines an outlet. The second arm defines a second fluid path in communication with the outlet and the central cavity. The inlet and outlet are in fluid communication via the first path, the central cavity and the second path.

Abstract: A voice command identification method for an electronic device having a microphone matrix is provided. The method includes: obtaining a plurality of sound signals from the microphone matrix; executing a voice purify operation on the sound signals to obtain a purified sound signal and identifying a target voice signal from the purified sound signal; calculating a compound speech feature data corresponding to the target voice signal through a compound speech recognition model; comparing the compound speech feature data with a plurality of reference speech feature data in the speech feature database, so as to determine a target command mapped to the target voice signal; and executing the target command.

Abstract: A key structure includes a keycap, a connection assembly, engaging members, and a base plate. The connection assembly disposed between the base plate and the keycap is movably connected to the keycap and the engaging members, so that the keycap and the connection assembly engaged with the engaging members are positioned on the base plate. The base plate includes engaging protrusions protruding from an upper surface, so that the engaging members are bonded to the base plate through the engaging protrusions. Each engaging protrusion is located between two openings of the base plate, connects the two openings, or is disposed corresponding to the openings. Each engaging member covers one or more engaging protrusions through injection molding, and is fixed to the base plate. The engaging members are respectively disposed on the openings, fill the openings, or completely cover the engaging protrusions.

Abstract: A liquid potential energy increasing device includes a first receiving trough, a second receiving trough, a liquid absorbing structure, a first magnetic component, and a second magnetic component. The liquid absorbing structure includes a main body portion and an extending portion. The extending portion conveys a liquid in the first receiving trough into the main body portion. When a sum of a weight of the main body portion and a weight of the liquid in the main body portion is greater than the magnetic attraction, the main body portion hits the second receiving trough by gravity, so that the liquid in the main body portion is at least partially released to the second receiving trough so as to increase potential energy of the liquid.

Abstract: A voice command identification method for an electronic device having a microphone matrix is provided. The method includes: obtaining a plurality of sound signals from the microphone matrix; executing a voice purify operation on the sound signals to obtain a purified sound signal and identifying a target voice signal from the purified sound signal; calculating a compound speech feature data corresponding to the target voice signal through a compound speech recognition model; comparing the compound speech feature data with a plurality of reference speech feature data in the speech feature database, so as to determine a target command mapped to the target voice signal; and executing the target command.

Abstract: A liquid potential energy increasing device includes a first receiving trough, a second receiving trough, a liquid absorbing structure, a first magnetic component, and a second magnetic component. The liquid absorbing structure includes a main body portion and an extending portion. The extending portion conveys a liquid in the first receiving trough into the main body portion. When a sum of a weight of the main body portion and a weight of the liquid in the main body portion is greater than the magnetic attraction, the main body portion hits the second receiving trough by gravity, so that the liquid in the main body portion is at least partially released to the second receiving trough so as to increase potential energy of the liquid.

Abstract: A storage virtualization computer system. The storage virtualization computer system comprises a host entity for issuing an IO request, a storage virtualization controller coupled to the host entity for executing IO operations in response to the IO request, and a at least one physical storage device, each coupled to the storage virtualization controller through a point-to-point serial-signal interconnect, for providing storage to the storage virtualization computer system through the storage virtualization controller. As an example, the point-to-point serial-signal interconnect can be a Serial ATA IO device interconnect.

Abstract: The present invention is directed to a microfluidic system comprising a microfluidic chip and a method of performing a chemical assay wherein a sample is processed into multiple daughter droplets and said daughter droplets are incubated with varying reagents. The properties of these droplets can be detected to provide assay data.

Abstract: A continuous throughput microfluidic system includes an input system configured to provide a sequential stream of sample plugs; a droplet generator arranged in fluid connection with the input system to receive the sequential stream of sample plugs and configured to provide an output stream of droplets; a droplet treatment system arranged in fluid connection with the droplet generator to receive the output stream of droplets in a sequential order and configured to provide a stream of treated droplets in the sequential order; a detection system arranged to obtain detection signals from the treated droplets in the sequential order; a control system configured to communicate with the input system, the droplet generator, and the droplet treatment system; and a data processing and storage system configured to communicate with the control system and the detection system.

Abstract: Thermal management system for unmanned aerial vehicles are disclosed. An example housing for an unmanned aerial vehicle includes a central portion defining a cavity. The housing also includes a first arm to support a first propeller. The first arm has a first proximal end coupled to the central portion and a first distal end spaced from the central portion. The first distal end defines an inlet. The first arm defines a first fluid path in communication with the inlet and the central cavity. The housing also includes a second arm to support a second propeller. The second arm has a second proximal end coupled to the central portion and a second distal end spaced from the central portion. The second distal end defines an outlet. The second arm defines a second fluid path in communication with the outlet and the central cavity. The inlet and outlet are in fluid communication via the first path, the central cavity and the second path.

Abstract: A microfluidic system includes a microfluidic chip including a channel layer and a fluid control layer operatively connected to the channel layer, the channel layer having one or more fluid channels. The one or more channels are configured to contain a plurality of droplets. A valve control system is provided to control flow of fluid through the one or more fluid channels in the channel layer. The microfluidic system also includes a droplet impedance detection and feedback control system operatively connected to the valve control system. The droplet impedance detection and feedback control system is configured to detect at least a position of at least one droplet in a fluid channel and to send a signal to the valve control system to operate a particular valve at a particular time based on the detected position of the at least one droplet.

Abstract: A vibration ring includes a vibration module and a latex ring. The vibration module is provided with at least a battery, a circuit board and a vibration motor that are connected electrically in a spherical shell, along with a switch that is exposed out of the shell. The latex ring includes an annular wearing part that is processed with latex, and a spherical vibration part that encloses the shell of the vibration module. The spherical vibration part and the enclosed vibration module act onto a female's clitoris without pressing on other parts of the body, so as to increase the comfortableness in wearing the vibration ring and form a better exciting effect in vibration.