Abstract: Disclosed is a network device, including a communication circuit and a processor. The processor is coupled to the communication circuit and configured to: in response to determining that a version of a first update file from an update server satisfies a preset condition, control the communication circuit to obtain the first update file from the update server; read identification information from at least one predetermined data location of the first update file; in response to determining that the identification information in the first update file matches the network device, update the network device based on the first update file.

Abstract: The disclosure discloses an object positioning method and system. The object positioning method includes: acquiring an original object image including a to-be-positioned object; demagnifying the original object image; inputting a demagnified object image to a rough-positioning model for identification, to determine a plurality of rough feature positions; acquiring a plurality of image blocks from the original object image according to the rough feature positions; inputting the image blocks to a precise-positioning model for identification, to determine a plurality of precise feature positions; and determining a position of the to-be-positioned object in the original object image.

Abstract: A water-cooling structure includes a heat sink, a cover plate, a heat exchange module, a retaining wall, and ribs. The heat sink has an inlet hole, an outlet hole, and an inner space which communicates with the inlet hole and the outlet hole. The cover plate is disposed on the heat sink to seal the inner space. The heat exchange module and the retaining wall are disposed on the cover plate and located in the inner space. The inlet hole and the outlet hole are disposed on different sides of the retaining wall. The ribs are disposed on the cover plate and form flow channels in the inner space. A coolant enters the inner space from the inlet hole, enters the flow channels along the retaining wall to contact the heat exchange module, and flows out of the outlet hole after passing through the heat exchange module.

Abstract: A detachable electronic device and a dock thereof are provided. The detachable electronic device includes a first machine body, a second machine body, and a dock. The dock includes a pair of fixing brackets, a pair of rotating axles, a latch module disposed between the rotating axles, a lock base, and a linkage kit. The latch module can be arranged in a locked state or an unlocked state to lock or release the second machine body. The lock base is slidably disposed on one of the fixing brackets. The linkage kit has one end fixed to the latch module, and the other another end slidably sleeved onto the lock base. When an anti-theft lock is locked to the lock base, the lock base restricts a displacement of the linkage kit, and the linkage kit restricts the latch module to the locked state.

Abstract: An antenna module disposed on a substrate having a first and a second surface opposite to each other includes a microstrip line, a first radiator, a ground radiator and a ground plane. The microstrip line, the first radiator and the ground radiator are disposed on the first surface. The microstrip line includes a first and a second end opposite to each other. The first end includes a first feeding end. The first radiator is connected to the second end of the microstrip line. The ground radiator surrounds the microstrip line and the first radiator and has a first opening and two opposite grounding ends. The first end of the microstrip line is located in the first opening. A gap is formed between each grounding end and the first feeding end. The ground plane is disposed on the second surface. The ground radiator is connected to the ground plane.

Abstract: An electronic device capable of discharging static electricity is disclosed. The electronic device includes a housing, an antenna arrangement region, and an electrostatic discharge guide. The antenna arrangement region is disposed inside the housing. The electrostatic discharge guide includes a first conductive region, a second conductive region, a non-conductive region, and a discharging unit. The first conductive region is disposed on an inner surface of the housing, and the antenna arrangement region is disposed in the first conductive region. The second conductive region is disposed on the inner surface of the housing. The discharging unit is located in the first conductive region and has a tip, the tip extends toward the second conductive region to cause a spacing between the tip and the second conductive region to be less than or equal to a width of the non-conductive region.

Abstract: The disclosure provides a classification method and an electronic apparatus. The classification method includes the following steps. First feature data of multiple pictures of assembly is extracted, and each picture of assembly includes an operator at a station. The first feature data is converted into a first feature vector. Second feature data recording personal data of the operator is converted into a second feature vector. The first feature vector and the second feature vector are merged into a first feature matrix. The efficiency of the operator operating at the station is classified according to the first feature matrix to obtain a classification result.

Abstract: A buffer assembly includes a screw rod, a base, a rotating element and a clamping ring. The rotating element is rotatably disposed on the base along a rotation axis. The rotating element includes a through hole. The clamping ring is detachably connected to the rotating element along a connection axis, so that the clamping ring is adapted to switch to a connected state or an open state. The clamping ring includes a position-limiting space, and the rotation axis is perpendicular to the connection axis. When the clamping ring is in the connected state, the position-limiting space and the through hole are located on the rotation axis, and the screw rod pushes the clamping ring to rotate so that the screw rod passes through the position-limiting space and the through hole. When the clamping ring is in the open state, the position-limiting space is misaligned with the rotation axis.

Abstract: An electronic device and a display method for video conference or video teaching. The electronic device includes an image capturing unit, a display, an input unit, and a processor. The image capturing unit captures a first document image of a physical document. The input unit generates annotation information. The processor controls the display to display the first document image. When the processor receives the annotation information during a period of time that the image capturing unit is capturing the first document image and the display is simultaneously displaying the first document image, the processor controls the display to simultaneously display the first document image and the annotation information.

Abstract: A three-dimensional antenna module includes a first antenna, a second antenna, and a conductor. The first antenna includes a first main radiator and a first feeding section connected to the first main radiator. The first main radiator includes a first open end and a second open end. The first main radiator is bent to form a first opening. The second antenna includes a second main radiator and a second feeding section connected to the second main radiator. The second main radiator includes a third open end and a fourth open end. The second main radiator is bent to form a second opening. A direction the first opening faces is different from a direction the second opening faces. The conductor is disposed between the first antenna and the second antenna.

Abstract: A charging device includes a charging pile, a pulley set, a charging cable, a charging gun, and a positioning member. The charging pile has an inner space and a top opening. The pulley set is disposed in the inner space. The charging cable has a fixed end wound on the pulley set and a connecting end extending out of the inner space through the top opening. The charging gun includes a grip part, a charging connector, and a cable connecting part. The connecting end of the charging cable is inserted into the cable connecting part. The cable connecting part has a connecting hole and a limiting slot located in the connecting hole. The positioning member is sleeved on the connecting end and located in the connecting hole. The positioning member has a limiting part, and the limiting part is slidably disposed in the limiting slot.

Abstract: A routing layout design device and a routing layout design method are provided. The routing layout design method includes: reading multiple pin information and multiple lead rule information of a circuit board; selecting multiple outer row pins located on an outer edge of the circuit board according to the multiple pin information; generating multiple outer row leads from multiple outer row pins along a direction perpendicular to the outer edge; establishing multiple triangles with the pins as vertices through an algorithm, and selecting a plurality of first pins respectively located in the same triangle as the plurality of outer row pins; coupling the outer row leads to the first pins according to a plurality of lead limiting area, the triangles and the plurality of lead rule information; generating a lead data according to a coupling relationship of the first pins coupled to the outer row leads.

Abstract: An electronic cigarette is provided. The electronic cigarette includes a main body and a cigarette cartridge. The main body includes an accommodating slot and a magnetic valve. The magnetic valve movably protrudes from a bottom surface of the accommodating slot. The cigarette cartridge includes a joint surface and a magnetic body that is disposed on the joint surface. The cigarette cartridge is configured to be disposed in the accommodating slot. The magnetic body attracts the magnetic valve to move and protrude from the bottom surface of the accommodating slot, so that the magnetic body is connected to the magnetic valve, and an interval is formed between the cigarette cartridge and the main body.

Abstract: An antenna module includes a transceiver chip, a transmitting array antenna, a receiving array antenna, two bandpass filters, and two capacitors. The transmitting array antenna and the receiving array antenna are symmetrically disposed at the two opposite sides of the transceiver chip. One of the bandpass filters is disposed between the transceiver chip and the transmitting array antenna and connected to the transceiver chip and the transmitting array antenna. The other bandpass filter is disposed between the transceiver chip and the receiving array antenna and connected to the transceiver chip and the receiving array antenna. One of the capacitors is disposed between the transmitting array antenna and the corresponding bandpass filter and connected to the transmitting array antenna and the corresponding bandpass filter. The other capacitor is disposed between the receiving array antenna and the corresponding bandpass filter and connected to the receiving array antenna and the corresponding bandpass filter.

Abstract: A decoration plate including a light guide substrate, a decorative film, and a circuit board assembly is provided. The light guide substrate has a first surface and a second surface disposed on opposite sides, and has a first groove on the first surface. The decorative film is disposed on the second surface of the light guide substrate. The decorative film defines an operating region. The circuit board assembly is disposed on the first surface. The circuit board assembly includes a light-emitting element and a touch sensing layer. The light-emitting element is accommodated in the first groove. A position of the touch sensing layer corresponds to a position of an orthogonal projection of the operating region on the first surface.

Abstract: A tamper-proof screw includes a main body, a pin body, a ball, and at least one abutting member. A through hole is provided in the main body. The pin body is movably disposed in the through hole. The ball is located in the through hole. The abutting member is located in the through hole and has a connecting end and a free end opposite to each other. The connecting end is disposed on an inner wall of the main body and located between the ball and the free end. The ball is located between the pin body and the abutting member. When the pin body moves in the through hole to push the ball to press against the connecting end of the abutting member, the abutting member pivots around the connecting end to allow the free end to extend outwards from the main body.

Abstract: An antenna module including a first radiator and a second radiator is provided. The first radiator includes a first segment to a fifth segment connected in sequence. A first slot is formed between the second segment and the fourth segment. The second radiator has an edge. A first retracting distance is between the second segment and an extension line. A second retracting distance is between the fourth segment and the extension line. The first segment resonates at a first high frequency band. The first radiator and the first slot resonate at a low frequency band and a second high frequency band. The first retracting distance, the second retracting distance, the second segment, the fourth segment, the fifth segment and the first slot resonate at a third high frequency band. The first segment and the second radiator resonate at a fourth high frequency band. In addition, an electronic device is provided.

Abstract: An extension device, including a connecting base and an anti-theft lock assembly, is provided. The connecting base includes a housing, a first moving member, a fixed member, and a second moving member. The fixed member is disposed at one side of the housing and includes a lock hole. The second moving member is movably disposed between the first moving member and the fixed member. The anti-theft lock assembly is detachably disposed at one side of the fixed member opposite to the second moving member. The anti-theft lock assembly is adapted to pass through the lock hole of the fixed member and push against the second moving member, so that the second moving member abuts against the first moving member to stop the first moving member at a buckling position. In addition, an electronic system, including the extension device, is also provided.

Abstract: An adjustment device includes a base, a ratchet wheel assembly and a fixing rod. The base includes an accommodating groove and ratchet teeth. The ratchet wheel assembly is rotatably accommodated in the accommodating groove and includes a body, an elastic arm, and a pawl. The elastic arm includes a first connecting segment connected to the body and a second connecting segment connected to the pawl. The pawl may engage with one of the ratchet teeth. The fixing rod movably extends between the body and the elastic arm. When the fixing rod is arranged between the second connecting segment and the body, the pawl is fixed to the ratchet teeth, so that the ratchet wheel assembly is positioned on the base. When the fixing rod is arranged between the first connecting segment and the body, the ratchet wheel assembly may rotate relative to the base.

Abstract: A waterproof electronic device including a body, a one-way valve, and a cover is provided. The body has a first hole, which penetrates the body and communicates with an external environment, and a chamber. The one-way valve disposed on an inner surface of the body communicates with the first hole. The one-way valve has a main runner, multiple shunt runners, and multiple stopper blocks. Each stopper block is located between the main runner and a corresponding shunt runner. The cover disposed on the one-way valve has a second hole communicated with the one-way valve and the chamber. When a fluid enters the one-way valve from the second hole, the fluid is discharged from the body through the first hole. When the fluid enters the one-way valve from the first hole, the fluid generates a resistance in the one-way valve.