Abstract: A one-to-many communication circuit includes a recommended standard 232 signal transceiver, a main controller area network transceiver, and a plurality of subordinate controller area network transceivers. The recommended standard 232 signal transceiver is used to receive a control signal from a main controller and convert the control signal into a first signal conforming to the recommended standard 232 communication protocol. The main controller area network transceiver is used to convert the first signal into a second signal conforming to the controller area network communication protocol. And each of the plurality of subordinate controller area network transceivers is used to convert the second signal into a third signal conforming to the recommended standard 232 communication protocol.

Abstract: A liquid level controlling system includes a main sink, a storage sink and a connection tube. The main sink includes a transmission port and a first liquid level detector. The transmission port is formed on a bottom of the main sink. The first liquid level detector is disposed on a top of the main sink. The storage sink includes a liquid outlet, a liquid inlet and a second liquid level detector. The connection tube is disposed between the main sink and the storage sink. The connection tube includes an rehydration tube and an drain tube. Two ends of the rehydration tube are respectively connected to the transmission port and the liquid outlet. Two ends of the drain tube are respectively connected to the transmission port and the liquid inlet.

Abstract: A fixing device includes a circuit board, a first cover, a reinforcing piece, and a double-layer chip. The circuit board has a first surface and a second surface opposite to each other. The first cover is disposed adjacent to the first surface and has a first bump which has a first abutting surface facing the first surface. The reinforcing piece is located on the first surface and adjacent to the first bump. The double-layer chip has an upper layer and a lower layer which are electrically connected. An upper surface of the upper layer and a lower surface of the lower layer are respectively located on opposite sides of the double-layer chip, and an area of the upper surface is smaller than an area of the lower surface. The lower layer of the double-layer chip and the second surface of the circuit board are electrically connected.

Abstract: A fixing device includes a circuit board, an insertion slot, and a fixing bracket. The circuit board has a peripheral recess, and the insertion slot is disposed on the circuit board. The fixing bracket is fixed in the peripheral recess, and the fixing bracket has a board, two lateral arms, and two guiding rails. The two lateral arms are connected to two corresponding sides of the board, and the two lateral arms are integrally formed from the board. In addition, the two guiding rails are respectively disposed at the two lateral arms, in which the two guiding rails extend towards the insertion slot.

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 rotate 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 detection system for a vehicle comprises a blind spot detection module and a glasses module. The blind spot detection module comprises a first video recording device recording a vehicle surrounding image; a first identification device generating a blind spot identification result; a first determination device determining whether to transmit the vehicle surrounding image and/or a blind spot warning message; and a transmitting device transmitting the vehicle surrounding image and/or the blind spot warning message.

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 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 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 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: An automatic spraying unmanned aerial vehicle (UAV) system based on dynamic adjustment of early warning range and a method thereof are disclosed. In the automatic spraying UAV system, an unmanned aerial vehicle analyzes a forward direction and a forward speed of a staff appearing in an environment video, calculates a preset distance, and generates an early-warning range by extending outwardly a spraying range by a preset distance; when determining the staff appears within the early-warning range in the environment video, the unmanned aerial vehicle pauses an automatic spraying operation, so as to achieve the technical effect of improving safety of the staff in an operation area by dynamically adjusting the early-warning range of the automatic spraying operation of the unmanned aerial vehicle.

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 process detection system for rack and server in rack is disclosed. In the system, a detection device performs a server process detection of L10 stage on servers in a rack, and performs a rack process detection of L11 stage; when the detection device detects that a server in the rack fails in a server process during the server process detection of L10 stage or that the rack fails in a rack process during the rack process detection of L11 stage, the server is repaired, or replaced by a backup server. Before the detection flow is performed continuously, the server process detection of L10 stage is performed on the repaired server, or the backup server not performing the server process detection of L10 stage yet, and then. The detection flow can be performed continuously on the backup server which has performed the server process detection of L10 stage.

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 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 fan control method for controlling a set of fans of a system includes collecting M first sets of characteristic variables of a first period; inputting the M first sets of characteristic variables to a neural network to generate N third sets of characteristic variables of a second period corresponding to a second set of characteristic variables; adjusting the second set of characteristic variables to generate P adjusted second sets of characteristic variables to accordingly generate Q adjusted third sets of characteristic variables; generating an optimized second set of characteristic variables according to the N third sets of characteristic variables and the Q adjusted third sets of characteristic variables; generating a set of weights according to the optimized second set of characteristic variables; and controlling the set of fans according to the set of weights. The first period precedes the second period. M, N, P, Q are positive integers.

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 value-added content providing method for a computer system includes receiving an input message indicating to present a pop-up window in a display area of the computer system; obtaining a content area in the display area according to the input message; analyzing the content area to generate an analysis content; and providing and displaying a value-added content in the pop-up window according to the analysis content.

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.