Abstract: A heat dissipating system for electronic devices includes a first heat dissipation device, a second heat dissipation device, and a thermal conduction component. The thermal conduction component is disposed around the first heat dissipation device and configured to thermally contact a heat source. The second heat dissipation device is disposed adjacent to the thermal conduction component. The first heat dissipation device is configured to generate a first working fluid toward the thermal conduction component, such that the heat transferred from the heat source to the thermal conduction component is dispersed in a plurality of directions directing away from the first heat dissipation device. The second heat dissipation device is configured to generate a second working fluid, such that the heat distributed adjacent to the second heat dissipation device is dissipated in at least one direction directing away from the second heat dissipation device.

Abstract: A cooling liquid flow control device includes a heat dissipation bottom plate, a fixing holder, a cooling module, and a temperature control element. The heat dissipation bottom plate has a bottom surface configured to be in contact with a heating element on a substrate. The fixing holder is connected to the heat dissipation bottom plate and configured to be fixed with the substrate. The cooling module is connected to a top surface of the heat dissipation bottom plate to form a cavity. The cavity is configured to circulate a cooling liquid. The temperature control element is connected to the cooling module and includes a valve. The valve is configured to reciprocally move based on a temperature of the heating element, thereby adjusting a flow rate of the cooling liquid in and out of the cavity.

Abstract: A wireless charging device includes a casing, a circuit board and at least one wireless charging module. The casing includes a bottom plate and a plurality of mounting pillars protruding from the bottom plate. The circuit board includes a substrate and at least one support assembly, and the substrate is stacked on the plurality of mounting pillars. The support assembly includes a plurality of support pillars protruding from the substrate. The wireless charging module includes a mounting frame and a charging coil. The mounting frame has a plurality of first assembling parts. The plurality of first assembling parts are respectively mounted on the plurality of support pillars. The charging coil is disposed on the mounting frame. Projections of the plurality of mounting pillars on the bottom plate at least partially overlap projections of the plurality of support pillars on the bottom plate.

Abstract: A defective soldering point intensive extent analysis system for solder paste inspection and a method thereof are disclosed. After the circuit board is set with soldering pastes, the solder paste inspection can immediately detect a circuit board to generate a detection log, the information of defective soldering points in the detection log is analyzed to determine an aggregate of the defective soldering points set on the circuit board, so as to find a defective soldering point area, and generate and display defective soldering point alert information according to statistics of the defective soldering point area, thereby achieving the technical effect of conveniently analyzing the defective soldering points on the circuit board for accurate repair.

Abstract: A touch-based method for user authentication includes a training stage and an authentication stage. The training stage includes: generating, by a touch interface, a plurality of training touch parameters; and generating, by a processor, a training heat map according to the plurality of training touch parameters. The authentication stage includes: generating, by the touch interface, a plurality of testing touch parameters; generating, by the processor, a testing heat map according to the plurality of testing touch parameters; comparing, by the processor, the testing heat map with the training heat map to generate an error map; and generating, by the processor, one of pass signal and fail signal according to the error map.

Abstract: A hard disk device simulator, a testing system using the hard disk device simulator and a testing method thereof are disclosed. The hard disk device simulator having a detection circuit is serially connected to a test port of a device under test, and a test program is executed on the device under test to read a signal link status of an insertion slot of the device under test and transmit a detection command through the test port, to drive a detection circuit of the hard disk device simulator to detect signals on a power pin, a clock pin and a system management bus, to generate a detection result, thereby verifying correctness of the device under test based on the signal link status and the detection result. As a result, the technical effect of reducing the cost of testing the device under test can be achieved.

Abstract: A device for transmitting commands with a circuit of a circuit board to test a connection interface, a system and a method thereof are disclosed. In the system, an inter-integrated circuit (I2C) of the circuit board under test is used to transmit an control command to a test device, which is connected to the inter-integrated circuit via a memory connection interface of the circuit board under test, the test device converts the control command to test the memory connection interface connected thereto, so as to achieve the technical effect of improving test efficiency in testing the memory connection interface of the circuit board under test without using an external connection line.

Abstract: A rack temperature controlling method includes performing the following operations through a controller: obtaining a rack temperature data, calculating a temperature variant according to the rack temperature data, calculating a temperature deviation according to the temperature variant and a reference temperature, calculating a target speed according to the temperature deviation, and adjusting a speed of a fan to the target speed. A rack temperature controlling system including a thermometer and a controller is further provided. The thermometer measures and outputs a rack temperature data. The controller receives the rack temperature data, and calculates a temperature variant according to the rack temperature data. The controller further calculates a temperature deviation according to the temperature variant and a reference temperature, calculates a target speed according to the temperature deviation, and adjusts a speed of a fan to the target speed.

Abstract: A flood warning method, adapted to a detection field, the method comprises: obtaining an original image associated with the detection field by a camera, wherein the original image includes a predetermined detection area; performing an image processing procedure on the original image by a processor to obtain a processed image, and overlapping the predetermined detection area with the processed image; calculating a ratio of a puddle area overlapping the predetermined detection area by the processor; determining whether the ratio falls within a warning range by the processor; and outputting a warning notification by the processor when the ratio falls within the warning range.

Abstract: A hard disk supporting structure is provided. The hard disk supporting structure includes a hard disk rack, a crawler mechanism, and a motor. The hard disk rack is for disposing at least one hard disk. A crawler of the crawler mechanism is fixedly connected with the hard disk rack. The motor is connected to a driving gear of the crawler mechanism. The motor drives the rotation of the driving gear, to enable the crawler to drive the hard disk rack to move back and forth. The hard disk supporting structure can automatically move the hard disk rack back and forth through a structure with automatic telescopic function, which greatly saves labor, and improves efficiency.

Abstract: A method for establishing a complex motion controller includes following steps: obtaining a source controller and a destination controller, wherein the source controller is configured to generate a source motion, and the destination controller is configured to generate a destination motion; determining a transition tensor between the source controller and the destination controller, wherein the transition tensor has a plurality of indices, one of the plurality of indices corresponds to a plurality of phases of the source motion; calculating a plurality of transition outcomes of the transition tensor and recording the plurality of transition outcomes according to the plurality of indices; calculating a plurality of transition qualities according to the plurality of transition outcomes; and searching for an optimal transition quality from the plurality of transition qualities to establish a complex motion controller for generating a complex motion corresponding to one of the plurality of phases.

Abstract: A server rack is configured to accommodate a network switch. The server rack includes a rack body, at least one stretchable frame, and at least one baffle. The rack body has two first strips opposite to each other. The stretchable frame includes a guiding part and an adjustable part slidably disposed on the guiding part. The guiding part and the adjustable part of the stretchable frame are respectively mounted on the two first strips. The baffle is connected to the guiding part. The baffle is located between the two first strips, and the baffle is configured to be located at a side of the network switch to guide an airflow to the network switch.

Abstract: This disclosure relates to a server including a storage chassis, a tray, a hard disk, a bracket, and a fan. The storage chassis includes a bottom plate and two sidewalls. The sidewalls respectively stand at two opposite sides of the bottom plate The bottom plate has a front edge and a rear edge that are opposite to each other and located between the sidewalls. The tray is slidably disposed on the storage chassis. The hard disk is disposed on the tray. The bracket is connected to the rear edge of the storage chassis. At least part of the bracket is located at a side of the rear edge of the storage chassis away from the front edge. The fan is disposed in the bracket, and the fan is electrically connected to the hard disk.

Abstract: A DDR5 SDRAM DIMM slot detection system and a method thereof are disclosed. A first detection board is serially connected to a second detection board, a JTAG controller converts a DIMM detection instruction, which is generated by a detection device, into a DIMM detection instruction in JTAG format; the DIMM detection instruction in JTAG format is provided to the first detection board or second detection board through the adapter circuit board, so as to detect DDR5 SDRAM DIMM slots of the circuit board under test, thereby achieving the technical effect of improving efficiency in detection for DDR5 SDRAM DIMM connection interface.

Abstract: An anchor point assembly, a vehicle entry system and a vehicle are provided. The anchor point assembly includes a control module, a power management module and a positioning module. The control module is connected to a vehicle end module, and is used to obtain position information of the vehicle end module according to a position identification signal of the vehicle end module. The power management module is connected to the control module and is used to supply electric power to the control module in conjunction with a power supply of a vehicle; the positioning module is connected to the control module, and is used to obtain position information of a control terminal and transmit the position information of the control terminal to the control module.

Abstract: A camera structure includes a support frame, a camera, a camera switch and a latch mechanism. The camera is supported by the support frame. The camera switch is spatially separated from the camera. The camera switch is configured to enable and disable the camera. The latch mechanism includes a slidable latch body and a cover and a connecting rod linking the latch body. The latch body is configured to move between a first position and a second position. When the latch body is at the first position, the camera is exposed from a first opening of the cover and the connecting rod interferes with the camera switch to enable the camera. When the latch body is at the second position, the cover shields the camera and the connecting rod moves away from the camera switch to enable the camera.

Abstract: A cooling system of server includes a tank, a case body, a multi-hole box, a first dehumidifying material, a first tube, and a second tube. The tank is configured to accommodate a dielectric fluid. The multi-hole box is disposed in the case body. The first dehumidifying material is disposed in the multi-hole box. The first tube includes a first gas-inlet/outlet end and a second gas-inlet/outlet end respectively connected to the tank and the case body. The second gas-inlet/outlet end is connected to the first dehumidifying material. The second tube includes a liquid-inlet end and a liquid-outlet end respectively connected to the case body and the tank.

Abstract: The PCB wind tunnel test device includes: a flow-stabilizing structure, which includes: a box used to provide flow channels for air entering the flow-stabilizing structure; flow-stabilizing plates, which are inserted into the cavities of the box in a layered manner; a wind source, arranged at an air inlet of the flow-stabilizing structure; a test device, arranged at the outlet of the flow-stabilizing structure. When the flow-stabilizing structure receives the wind energy provided by the wind source, the state of the air flow is adjusted by flow stabilization, so that the test device tests the air passing through the flow-stabilizing structure. The present invention solves the problem that conventional wind tunnels cannot test at low air volumes and enables PCB testing at different ambient temperatures.

Abstract: A secondary detection system for integrating automated optical inspection and neural network and a method thereof are disclosed. In the secondary detection system, an automated optical inspection apparatus performs automated optical inspection for pin solder joints on circuit board, and when a detection result indicates abnormal condition, the secondary detection device calculates a detection image probability value based on the component image feature and the template image feature, and calculate pin solder joint image probability values based on the component pin solder joint image feature and the template pin solder joint image feature through siamese neural network, to obtain a minimum probability value among the detection image probability value and pin solder joint image probability values. The minimum probability value is used to determine whether to change the detection result, thereby providing accurate detection result of automated optical inspection and increasing a first pass yield.

Abstract: A test card and a test display adapter are disclosed. The test card includes an assembling plate and an electrical heat source. The electrical heat source is provided on the assembling plate. The electrical heat source includes a first heat transfer plate, a second heat transfer plate and at least one heat source element. The first heat transfer plate is stacked on the assembling plate, and the second heat transfer plate is laminated over the first heat transfer plate, with the heat source element being sandwiched between the first and second heat transfer plates. The test card and the test display adapter have a wide variety of advantages including very low cost, easy material availability, a short wait time, easy manufacturability, a long service life, easy modifiability and good interoperability.