Abstract: A self-test system for PCIe and a method thereof are disclosed. In the system, a first circuit interconnect card and a second circuit interconnect card are inserted into CEM slots, respectively, and the first circuit interconnect card and the second circuit interconnect card are electrically connected to each other through a FFC, the central processing unit generates and provides differential signals to the first circuit interconnect card and the second circuit interconnect card; the first circuit interconnect card or the second circuit interconnect card provide differential signals to the second circuit interconnect card or the first circuit interconnect card through the first FFC interface and the second FFC interface, respectively, and the second circuit interconnect card or the first circuit interconnect card provides the differential signals to a central processing unit, so as to implement self-check for PCIe.

Abstract: An electronic assembly including first circuit board, second circuit board, and optical communication component. First circuit board includes first board and first connector. First connector is fixed on first board. Second circuit board includes second board and second connector. Second connector is fixed on second board. Optical communication component includes first communication card, first light-emitting component, second communication card, first photodetector and optical-fiber cable. First communication card is plugged into first connector. First light-emitting component is fixed on and electrically connected to first communication card. Second communication card is plugged into second connector. First photodetector is fixed on and electrically connected to second communication card. Two opposite ends of optical-fiber cable are respectively fixed to first communication card and second communication card to respectively be optically coupled to first light-emitting component and first photodetector.

Abstract: An electronic assembly including motherboard, first slide rail, second slide rail, expansion card and engagement component. Motherboard includes main circuit board and first connector. First and second slide rails are fixed on main circuit board. First slide rail has first engagement hole. Expansion card includes expansion circuit board and second connector. Expansion circuit board is disposed on first and second slide rails and has first positioning recess. Second connector is plugged into first connector. Engagement component includes connecting portion, first movable end portion, second movable end portion, first protruding portion, and second protruding portion. First and second movable end portions are respectively connected to two opposite sides of connecting portion. First protruding portion protrudes from first movable end portion and is removably engaged with first positioning recess.

Abstract: An antenna structure includes an antenna radiator, a microstrip line, a flexible board, and a coaxial cable. The antenna radiator is used to receive and transmit wireless signals. The wireless signals include radio frequency signals. The microstrip line is coupled to the antenna radiator and is used to transmit the radio frequency signals. The flexible board is coupled to the microstrip line and is used to transmit the radio frequency signals. The coaxial cable is coupled to the flexible board and is used to transmit the radio frequency signals to a processor.

Abstract: An equipment management method based on radio frequency identification comprises binding a first electronic tag and second electronic tags, reading the first electronic tag in a search mode, obtaining an abnormality list of one or more abnormal tags in the second electronic tags according to the first electronic tag, reading one of the second electronic tags in the search mode, and outputting an error signal when the read second electronic tag matches up to the abnormality list. The first electronic tag is set on a test machine, the second electronic tag are respectively set on test elements, and the test elements are disposed in the test machine.

Abstract: This disclosure provides storage chassis including base storage sub-assemblies and partitions. Base includes bottom plate, top plate, first side plate and second side plate. Front side of bottom plate is opposite to back side of bottom plate. Bottom plate is located opposite to top plate. First side plate is located opposite to second side plate. First side plate and second side plate are connected to and located between bottom plate and top plate. Storage sub-assemblies are movably disposed between first side plate and second side plate. Partitions are disposed between first side plate and second side plate. Opposite ends of each partition are respectively connected to top plate and bottom plate. Partitions separate storage sub-assemblies from one another so that storage sub-assemblies are respectively located in airflow channels that are independent to one another.

Abstract: An interface card cage includes a first assembly and a second assembly. The first assembly includes a first side wall, a second side wall, and a bent portion. The second side wall has an opening. The bent portion and the first side wall extend in different directions. The bent portion includes a protrusion extending from the bent portion. The second assembly includes an assembly part having a slot. The assembly part includes a first side plate and a second side plate. The first side plate has a recess. The assembly part has a first edge and a second edge. A direction from the first edge to the second edge is different from a direction from the first side plate to the second side plate. The bent portion of the first assembly is located in the slot. The protrusion is located in the recess.

Abstract: An antenna device includes a housing and a printed antenna. The housing includes a front glass shell, a rear glass shell, and a metal bracket. The metal bracket is between the front glass shell and the rear glass shell, and the metal bracket is connected to outer peripheries of the front glass shell and the rear glass shell to form an accommodation space together. The metal bracket includes a first frame portion, a second frame portion, and an opening, and the opening is defined between the first and second frame portions. The printed antenna is arranged in the housing and between the first and second frame portions, and the opening exposes at least a portion of the printed antenna.

Abstract: A mounting frame configured to install disk drive to cage and including frame body, engagement protrusion, fourth plate, first mounting pillar, and second mounting pillar. Frame body includes first to third plates. Engagement protrusion protrudes from third plate. Fourth plate is pivotally connected to a side of the second plate located away from first plate. Fourth plate includes latch hole. Engagement protrusion is removably inserted into latch hole. First to fourth plates together form accommodation space and two openings connected thereto. Accommodation space is configured to accommodate disk drive. First mounting pillar is fixed on first plate and located between first and fourth plates. First mounting pillar is inserted in first mounting hole of disk drive. Second mounting pillar is fixed on fourth plate and located between first and fourth plates. Second mounting pillar is inserted in second mounting hole of disk drive.

Abstract: An expansion card frame is configured to be mount on a casing of a server chassis and is configured for installations of a riser card and an expansion card. The expansion card frame includes a side plate and a top plate. The side plate is configured for the installation of the riser card. The riser card is configured for an insertion of the expansion card. The top plate is connected to a side of the side plate and configured to cover the riser card. The top plate has at least one assembling structure, and the at least one assembling structure of the top plate is configured to be assembled with at least one assembling structure of an assembling frame so that the top plate, the side plate, and the assembling frame together form an accommodation space for accommodating a disk drive.

Abstract: A method for training a locomotion controller of a robotic animal comprising obtaining a motion data of a reference animal, an environmental parameter, and a disturbance parameter; generating a plurality of primitive distributions and a first primitive influence according to the motion data by a policy network; selecting a current state of the reference animal from the motion data and set an adapting state of the reference animal; generating a second primitive influence, by the policy network, according to the current state, the adapting state, and the plurality of primitive distributions at least; and training the policy network according to a result determined by a discriminator according to the first primitive influence and the second primitive influence.

Abstract: A server cabinet assembly includes a tray, a carrier, and an angle adjustment mechanism. The carrier is pivotably disposed on the tray about a pivot axis, and the carrier is configured to accommodate a data storage device. The angle adjustment mechanism includes a positioning component, a handle, and a latch. The positioning component is disposed on the tray. The positioning component has a plurality of first positioning portions. The handle is disposed on the carrier. The latch is movably disposed on the carrier and located between the positioning component and the handle. The latch includes an operation portion and a second positioning portion connected to each other. The operation portion is movable toward the handle to move the second positioning portion away from the positioning component or is movable away from the handle to make the second positioning portion engage with one of the plurality of first positioning portions.

Abstract: A method for examining differential pair transmission lines, performed by a processor, comprising: capturing a plurality of first insertion losses of a first signal line within a frequency range and a plurality of second insertion losses of a second signal line within the frequency range, wherein the first signal line and the second signal line are configured to transmit a pair of differential signals; calculating a plurality of maximum error ratios between the first insertion losses and the second insertion losses within the frequency range; determining whether any one of the maximum error ratios is greater than or equal to an upper threshold; outputting a warning signal when the processor determines one of the maximum error ratios is greater than or equal to the upper threshold; and ending the method when the processor determines each one of the maximum error ratios is smaller than the upper threshold.

Abstract: A centrifugal fan including an impeller housing and an impeller. The impeller housing has an accommodation space, an air inlet and an air outlet. The air inlet and the air outlet are connected to the accommodation space. The impeller is located in the accommodation space. The impeller includes a hub, a plurality of blades, and at least one heat conductive annular portion. The hub is rotatably disposed in the impeller housing. The plurality of blades are connected to an outer circumferential surface of the hub. The at least one heat conductive annular portion is connected to the plurality of blades.

Abstract: A fan includes a fan hub and a plurality of blades. At least one of the blades includes an axial blade portion and a centrifugal blade portion. The axial blade portion has an axial arc surface. The axial arc surface extends between opposite two edges of the at least one blade, and connects with one of the two edges. The centrifugal blade portion has a guide trench. The guide trench extends away from the centrifugal blade portion. A width of the guide trench increases as it extends away from the centrifugal blade portion.

Abstract: An electronic device configured to be connected to external heat dissipation device and including chassis, heat source and heat dissipation assembly. The heat source is disposed on the chassis. The heat dissipation assembly includes evaporator and condenser. The evaporator is in thermal contact with the heat source. The condenser is disposed on the chassis and comprises first thermally conductive plate, second thermally conductive plate and third thermally conductive plate that are stacked on one another. A condensation space is formed between the first thermally conductive plate and the second thermally conductive plate. A first liquid-cooling space is formed between the second thermally conductive plate and the third thermally conductive plate. The condensation space is in fluid communication with the evaporator. The first liquid-cooling space is not in fluid communication with the condensation space and is configured to be in fluid communication with the external heat dissipation device.

Abstract: The present disclosure provides a cooling casing and a cooling device applied to a vehicle and an in-vehicle server. The cooling device applied to the in-vehicle server includes: a first housing and a second housing, an accommodating cavity is formed between the first housing and the second housing; and a cooling duct, the cooling duct being spirally disposed in the accommodating cavity, two ends of the cooling duct are connected to an external cooling system, and the cooling duct is filled with cooling liquid. The present disclosure is simple in structure and low in costs, and can effectively resolve the heat dissipation problem of the in-vehicle server.

Abstract: A speaker includes a rubber cabinet, a driver, and a metal connection ring. The rubber cabinet is fixed to a case of an electronic device. The rubber cabinet accommodates the driver, and the metal connection ring is connected between the rubber cabinet and the driver. Moreover, the metal connection ring surrounds the driver, and the rubber cabinet surrounds the metal connection ring.

Abstract: The present invention provides a solid-state hard disk lug-in device, including: a main body; a solid-state hard disk installation slot arranged on one side of the main body; and plug-in components. The plug-in components include an operating switch and an operating handle. When the operating switch is closed, the operating handle is restricted to a closed position, and when the operating switch is open, the operating handle is released to an extended position; when the operating handle in the closed position is pushed by an external force, the solid-state hard disk can be inserted into the hard disk slot of the solid-state hard disk system; when the operating handle in the extended position is pulled by an external force, the solid-state hard disk can be pulled out of the hard disk slot.

Abstract: The present disclosure provides a method for providing a fatal error of a system-on-chip product and a method for identifying a fatal error of a system-on-chip product. The system-on-chip product includes a processor. The method for providing a fatal error of a system-on-chip product includes: when a fatal error occurs, setting a port value of a preset port of the processor as a preset value corresponding to the fatal error; converting the preset value into register data accessible to an external server, such that the external server can identify the fatal error that occurs in the system-on-chip product according to the preset value when acquiring the register data. Through the present disclosure, even if the system-on-chip product does not support a baseboard management controller, the user of the baseboard can still obtain the reason for the error of the product through an out-of-band method.