Abstract: A method for detecting a human behavior includes: obtaining an image to be detected; obtaining a plurality of key points and a plurality of pieces of position information respectively corresponding to the plurality of key points by key-point recognition on the image to be detected; grouping the plurality of key points based on the plurality of pieces of position information to obtain a plurality of key-point groups, the plurality of key-point groups at least including a part of the plurality of key points; and determining a target human behavior based on key points in the plurality of key-point groups.

Abstract: A selective EMI shielding structure for a semiconductor package and a method of fabrication thereof is disclosed. The semiconductor package, comprising: a substrate having a first face; at least one first electronic component mounted adjacent to a first region of the first face; a least one second electronic component mounted adjacent to a second region of the first face; and an encapsulant disposed over the first and the second electronic components, wherein the encapsulant covers directly over the first electronic component, and wherein the encapsulant covers the second electronic component through a layer of conductive material.

Abstract: A heat dissipating device has a thermal board, at least one cooling fin, and a working fluid. The thermal board has at least one chamber and a passive one-way valve section. Each of the at least one chamber has a first inlet and at least one first outlet. Each of the at least one cooling fin has an inner space, at least one second inlet, and a second outlet. The second inlet is connected to the first outlet. The second outlet is connected to the first inlet. The working fluid is filled in the chamber and the inner space. The passive one-way valve section is configured to limit the working fluid to cycle in the chamber and the inner space along a single direction. The heat dissipating device facilitates the cycling capability of two phases flow coolant and provides a heat dissipating capability.

Abstract: Provided is a heat pipe, which has a simple construction but an excellent heat transfer performance. A loop-type heat pipe (1) has a loop-shaped fluid moving route, in which an evaporation portion (2), a vapor-rich pipe portion (4), a condensation portion (3) and a liquid-rich pipe portion (5) are sequentially connected. A nozzle portion (6) and a diffuser portion (7) are formed in that loop-shaped fluid moving route. As a result, a difference is made between the forward fluid resistance and the backward fluid resistance of the loop-shaped fluid moving route, thereby to form a one-directional steam flow in the loop-shaped fluid moving route.

Abstract: The present invention provides a short-circuit probe card, including: a substrate having an upper surface and a lower surface; a plurality of first contacts formed on the upper surface; and a plurality of second contacts formed on the lower surface and connected to the plurality of first contacts. The first contacts and second contacts are all grounded.

Abstract: A selective EMI shielding structure for a semiconductor package and a method of fabrication thereof is disclosed. The semiconductor package, comprising: a substrate having a first face; at least one first electronic component mounted adjacent to a first region of the first face; a least one second electronic component mounted adjacent to a second region of the first face; and an encapsulant disposed over the first and the second electronic components, wherein the encapsulant covers directly over the first electronic component, and wherein the encapsulant covers the second electronic component through a layer of conductive material.

Abstract: The present invention reveals an alignment platform for aligning electronic component precisely to the operation position during testing or hot pressing processes. The alignment platform makes a rotor to rotate by a driving apparatus. The rotor has an eccentric axle to where a connecting member is disposed. The connecting member is moved by the eccentric axle, driving an active plate to move. The eccentric axle, the driving apparatus, the connecting member, and the active plate are configured to move under control in a micro or nano meter scale. Thus, precisely alignment of electronic component can be achieved. Floating mechanism of electronic component transmission apparatus or electronic component handler may be dismissed for lowering cost and prolonging lifetime.

Abstract: The present invention provides a short-circuit probe card, including: a substrate having an upper surface and a lower surface; a plurality of first contacts formed on the upper surface; and a plurality of second contacts formed on the lower surface and connected to the plurality of first contacts. The first contacts and second contacts are all grounded.

Abstract: A low-dropout (LDO) regulator is provided. The LDO regulator comprises a first circuit operating as a closed loop control system. The first circuit is configured to control a voltage at a first node such that the voltage at the first node is substantially equal to a specified regulator output voltage. The LDO regulator comprises a second circuit operating as an open loop control system. The second circuit is configured to increase the voltage at the first node when a current flowing through a load changes from a first current to a second current. The first current is substantially equal to 0 amperes.

Abstract: A shielding clip and an electronic device are provided. The electronic device includes a circuit board, an electronic element, a shielding cover and the shielding clip. The shielding clip comprises a bottom plate parallel to the circuit board. The bottom plate has a first side region and a second side region. The first side region has a first pin extending into the circuit board and a first buckle plate extending away from the circuit board to buckle the shielding cover. The second side region has a second pin extending into the circuit board and a second buckle plate extending away from the circuit board to buckle the shielding cover.

Abstract: A zoom lens including a first lens group, a second lens group, and a third lens group is provided. The first lens group is disposed between an object side and an image side and has at least one aspheric surface. The second lens group has a positive refractive power and is disposed between the first lens group and the image side. The third lens group has a positive refractive power and is disposed between the second lens group and the image side. The third lens group has at least one aspheric surface. The third lens group is suitable to move relative to the second lens group for focusing.

Abstract: A low-dropout (LDO) regulator is provided. The LDO regulator comprises a first circuit operating as a closed loop control system. The first circuit is configured to control a voltage at a first node such that the voltage at the first node is substantially equal to a specified regulator output voltage. The LDO regulator comprises a second circuit operating as an open loop control system. The second circuit is configured to increase the voltage at the first node when a current flowing through a load changes from a first current to a second current. The first current is substantially equal to 0 amperes.

Abstract: A low-dropout (LDO) regulator is provided. The LDO regulator comprises a first circuit operating as a closed loop control system. The first circuit is configured to control a voltage at a first node such that the voltage at the first node is substantially equal to a specified regulator output voltage. The LDO regulator comprises a second circuit operating as an open loop control system. The second circuit is configured to increase the voltage at the first node when a current flowing through a load changes from a first current to a second current. The first current is substantially equal to 0 amperes.

Abstract: A wide angle lens includes, in order from an object side to an image side along an optical axis, a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens, and a positive sixth lens, wherein the sixth lens is adhered to the fifth lens to form a doublet lens. In addition, the wide angle lens further satisfies the condition of SD2/R2>0.6, where SD2 is half of an effective aperture of a surface of the first lens which faces the image side, and R2 is a radius of curvature of the surface of the first lens which faces the image side. Whereby, the FOV of the wide angle lens can be greater than 140 degrees, and the wide angle lens is compatible with a large-sized, e.g., 1/2.3?, photosensitive component.

Abstract: A measurement jig for measuring precision errors caused by multi-axis synchronized motion is provided and includes: a stand vertically fixed to a table of a machine tool; a first support transversely disposed at an appropriate height of the stand to connect with a first measurement component; a second support vertically disposed on the first support and keeping a distance from the stand to connect with a second measurement component and move relative to the first support; and a third support vertically disposed on the first support between the stand and the second support to connect with a third measurement component and move relatively to the first support, wherein the first, second and third measurement components measure precision errors caused by a multi-axis synchronized motion and examine the precision of the Tool Center Point (TCP).

Abstract: A band gap reference circuit is provided that includes a first resistor (R1), a second resistor (R2), a third resistor (R3), a fourth resistor (Ra), a fifth resistor (Rb), a capacitor (Ca), an operational amplifier A, a first field effect transistor (FET) (P1), a second FET (P2), a third FET (P3), a fourth FET (Pa), a first bipolar junction transistor (BJT) (Q1), a second BJT (Q2), and a third BJT (Q3). P3 and Rb are used to control Pa, which is configured to control current flow to a reference node, and thus a reference voltage (Vref) output by the band gap reference circuit. The band gap reference circuit is configured to output a substantially constant reference voltage and is less sensitive or susceptible to noise from a power supply. Additionally, the band gap reference circuit prevents Vref from overshooting when the band gap circuit is enabled.

Abstract: A wide angle lens includes, in order from an object side to an image side along an optical axis, a negative first lens, a negative second lens, a positive third lens, a positive fourth lens, a negative fifth lens, and a positive sixth lens, wherein the sixth lens is adhered to the fifth lens to form a doublet lens. In addition, the wide angle lens further satisfies the condition of SD2/R2>0.6, where SD2 is half of an effective aperture of a surface of the first lens which faces the image side, and R2 is a radius of curvature of the surface of the first lens which faces the image side. Whereby, the FOV of the wide angle lens can be greater than 140 degrees, and the wide angle lens is compatible with a large-sized, e.g., 1/2.3?, photosensitive component.

Abstract: A shielding clip and an electronic device are provided. The electronic device includes a circuit board, an electronic element, a shielding cover and the shielding clip. The shielding clip comprises a bottom plate parallel to the circuit board. The bottom plate has a first side region and a second side region. The first side region has a first pin extending into the circuit board and a first buckle plate extending away from the circuit board to buckle the shielding cover. The second side region has a second pin extending into the circuit board and a second buckle plate extending away from the circuit board to buckle the shielding cover.

Abstract: A method for scale adjustment of touch-based measurement equipment has steps of providing a touch-based screen with a waveform area; determining if a first-direction gesture or a second-direction gesture is present on the waveform area; when the first-direction gesture is present, determining if an object touches one of two portions of the waveform area divided along a second direction of the waveform area and incrementing or decrementing a first scale when positive; and when the second-direction gesture is present, determining if an object touches one of two portions of the waveform area divided along a first direction of the waveform area and incrementing or decrementing a second scale. Scale adjustment on touch-based measurement equipment using one finger can be implemented with the foregoing method.

Abstract: A modeling system and modeling method based on a logical relation, including an operation task integrating module, a task interpreter, a graph layout correcting module, a graph wiring correcting module and a database model increment correcting module, wherein the database model increment correcting module includes a graph increment calculating unit and a model increment calculating unit. The system, through description of the logical relation and based on support of the automatic wiring technology, realizes the graph-model integrated generation of a new grid model of the power system which is based on the description of the logical relation; the grid model is completely defined and modified on “one net”, which is different from the original way that the power system model is established on countless net graphs, thereby helping the grid operation manager to accurately and rapidly establish and modify the grid model of the full system.