Abstract: A reverse polarity protection device includes a protection unit, a detection unit, and a control unit electrically connected between a power supply device and a load device. The detection unit is electrically connected to the power supply device for detecting the polarity of an output signal of the power supply device, and the control unit is electrically connected to the detection unit and the protection unit. The detection unit outputs a detection signal to the control unit according to a detection result of the polarity of the output signal. If the detection signal shows that the polarity of the output signal is reverse, the control unit will control the protection unit to form an open circuit between the power supply device and load device to stop transmitting the output signal of the power supply device to the load device and achieve a reverse polarity protection effect of the load device.

Abstract: A labor-saving mainboard withdrawing structure for electronic devices is used for withdrawing a mainboard from a slot in a withdrawing direction, and the structure includes a fixed seat, a movable seat installed separately on both sides of the fixed seat and limited to move in the withdrawing direction only and having a space defined between the two movable seats for installing the mainboard, and a rail track disposed on an opposite side and extending along the withdrawing direction for slidably inserting the mainboard. Each movable seat has a pushing portion and a pushing member abutting against the mainboard, and each pushing member has a head provided for operator to push, and a tail abutting against the fixed seat, and the head can be pushed to move the tail pivotally, and when the tail is moved pivotally, the movable seat is pushed to move a retreat distance in the withdrawing direction relative to the fixed seat, so as to detach the mainboard from the slot by pushing the pushing portion.

Abstract: A network input/output structure of an electronic device includes a FPGA module, a multiple of UART voltage conversion transceivers, at least one network connector and at least one detection module. Each UART voltage conversion transceiver has an input/output pin definition of a brand specification of a network device. The FPGA module uses the detection module to detect the pin definition of an external network device to confirm the brand specification of the network device and turn on a voltage conversion chip of the UART voltage conversion transceiver of the brand specification, so that the external network device can transmit network information with the electronic device automatically.

Abstract: A circuit board component layout determination method includes the steps of: (1) simulating the placement of components by a circuit board layout software program; (2) performing a circuit board component layout density analysis to obtain a circuit board component layout density percentage; (3) determining whether or not the simulated placement of components is feasible according to the circuit board component layout density percentage, and if yes, carrying out step (4); and (4) placing the components into the circuit board. The method uses a circuit board layout software program and a spreadsheet or a database to calculate the statistics of an area of a circuit board that can be laid and an area of the circuit board that cannot be laid, so as to analyze and determine the implementability of a component layout, and improve the control, efficiency and cost-effective of the component layout of the circuit board.

Abstract: A flexible flat cable structure capable of improving crosstalk interference includes plural telecommunication signal conductors separated from one another and provided for transmitting differential signals, two support members installed on two lateral sides of the telecommunication signal conductor respectively, at least one filled material disposed between the telecommunication signal conductors. The ratio of the equivalent dielectric constant of the filled material to the equivalent dielectric constant of the support members falls within a range of 0.39˜0.27, and the ratio of the thickness of the filled material to the thickness of the support members falls within a range of 1.49˜1.37.

Abstract: An induction type ornament with private message transmission includes: an ornament; an electronic tag installed to the ornament and having an NFC chip and an NFC coil; a private message stored in the electronic tag or a cloud server; so that when a recipient uses a mobile induction device to read the electronic tag from the ornament given by a giver, the recipient can read the private message which is pre-recorded and stored in the electronic tag or the cloud server, so as to provide significance, uniqueness, and the effect of transmitting private messages to the ornament or a gift and the ornament or gift provides the convenience of receiving and displaying a message to improve the using value of the ornament or gift.

Abstract: A server capable of supporting and automatically identifying an IP hard disk and a SATA hard disk is operated under SDN. The server includes a machine body device. The machine body device is provided with a baseboard. The baseboard is electrically connected with electronic devices thereon. The electronic devices include an embedded controller IC on a back board; a multiplexer and a plurality of SoC modules on a load board; and a plurality of hard disks including at least one IP hard disk and one SATA hard disk. The embedded controller IC identifies each hard disk as the SATA hard disk or the IP hard disk according to a first potential signal of the telecommunication signal of the second pin of the signal terminals of each hard disk. The present invention meets the market for both IP hard disks and SATA hard disks and brings better economic benefits.

Abstract: A sensory totem badge capable of transmitting individualized information and includes: a totem badge body attached or sewed onto an object surface; an e-tag, installed to the totem badge body, and including an NFC chip and an NFC coil; and a totem individualized information, stored in the e-tag or a cloud server; such that when a mobile sensing device is near the e-tag of the totem badge body, the implication represented by a totem on the totem badge body, the story behind it, or private words can be read. Therefore, the totem badge body is given with intangible specificity and commemoration to achieve higher value and sense of technology.

Abstract: A chassis door cover switch structure of an electronic device is disclosed. The electronic device includes a casing and a cover. The casing includes a latch member having a main body and a stop portion, and a plug-in space formed between the two. The cover is covered onto the casing, the locked status of both cover and casing is controlled by a control member that includes a switching button on an outer side of the cover and a switching plate on an inner side of the cover. The switching button is connected to the switching plate with a tongue portion. When the control member is moved and the tongue portion is situated outside the plug-in space, the cover and the casing are unlocked. When the tongue portion is extended into the plug-in space and stopped by the stop portion, the cover and the casing are locked.

Abstract: A flip cover structure for a chassis which includes a casing, a cover covered onto the casing, a stopping member installed to the casing and at a pivoting position of the cover, a fixing component disposed on the cover and corresponsive to the stopping member, a control member movably installed to the fixing component, an acting member integrally formed with the control member and situated in a stressed state. When the cover is pivoted upward, the fixing component will be flipped together with the cover, and the acting member changes its stressed state to a released state, such that the control member is displaced by the resilience of the acting member to a position opposite to the stopping member to stop the cover at the stopping member and erect the cover at a specific angle on the casing. Therefore, maintenance persons no longer need to find extra space for accommodating the cover.

Abstract: An all-in-one SATA interface storage device comprising: an interface board installed on a motherboard; a first memory card slot which is a CFast slot fixed on the interface board for installation of a CFast card; a second memory card slot fixed on the interface board and available to CF-SATA and CFEX cards for installation of either a CF-SATA card or a CFEX card. As such, the present invention facilitates applications of multiple storage devices via its SATA interfaces linking a host system, providing a user more convenient new storage devices, and creating higher value-added services by lowering costs.

Abstract: An all-in-one SATA interface storage device comprising: an interface board installed on a motherboard; a first memory card slot which is a CFast slot fixed on the interface board for installation of a CFast card; a second memory card slot fixed on the interface board and available to CF-SATA and CFEX cards for installation of either a CF-SATA card or a CFEX card. As such, the present invention facilitates applications of multiple storage devices via its SATA interfaces linking a host system, providing a user more convenient new storage devices, and creating higher value-added services by lowering costs.

Abstract: A computer-on-Module debug card assembly and a control system thereof comprising: a carrier module with a carrier board and electronic components thereon wherein the carrier board is provided with a plurality of I/O connectors and at least a bus; a debug module electrically connected to the carrier board and comprising a debug card and electronic components thereon wherein the debug card is equipped with a detecting component, at least a bus, and a plurality of switch buttons used to check switching; a COM express system electrically connected to the debug card and comprising a COM express board and electronic components thereon wherein the COM express board is provided with modular components and at least a bus. As such, it is able to identify messages for a CPU-bearing COM express board and a carrier board in the COM express system during debugging, streamlining the procedure and saving time.

Abstract: A removable expansion interface device comprising: a motherboard; a system slot which is installed on and electrically connected to the motherboard and develops an accommodation space; a carrier which is a printed circuit board held in the accommodation space and electrically connected to the system slot; an expansion slot installed on and electrically connected to the carrier and develops a plug-in space. As such, the present invention relies on removable design to match an interface device to be used and realize lowered costs and spatial and economic efficiency. Furthermore, the present invention is based on a motherboard without extra cost and has significant advantages such as applications of new storage devices, expansion of other functions, time and cost efficiency, lowered complexity, and industrial applicability.

Abstract: A computer-on-Module debug card assembly and a control system thereof comprising: a carrier module with a carrier board and electronic components thereon wherein the carrier board is provided with a plurality of I/O connectors and at least a bus; a debug module electrically connected to the carrier board and comprising a debug card and electronic components thereon wherein the debug card is equipped with a detecting component, at least a bus, and a plurality of switch buttons used to check switching; a COM express system electrically connected to the debug card and comprising a COM express board and electronic components thereon wherein the COM express board is provided with modular components and at least a bus. As such, it is able to identify messages for a CPU-bearing COM express board and a carrier board in the COM express system during debugging, streamlining the procedure and saving time.

Abstract: A redundant power supply device, particularly the one without installing a heat dissipating fan, includes a chassis having at least one power input accommodating space and a plurality of power output accommodating spaces, a back panel device comprising a back panel, which is a printed circuit board mounted onto the chassis, a plurality of power supply devices installed in the power output accommodating spaces and electrically connected to the back panel, at least one power input module inserted into the power input accommodating space for providing an external AC-to-DC or DC-to-AC conversion and electrically coupling the back panel. During an application without changing the back panel, the power input accommodating space is disposed opposite to the external input power supply, and the power input includes at least one power input module with AC-to-DC or DC-to-AC conversion to achieve high interchangeability, economic benefit and product competitiveness.

Abstract: A dual CPU and its heat dissipating structure are applied to a heat dissipating module installed on a dual-CPU computer device, and CPUs are arranged alternately with each other on a motherboard, and the heat dissipating modules are installed at positions of the CPUs, such that the alternately arranged heat dissipating modules can prevent interferences by external cold air, and a heat source produced by the CPUs can be conducted and dissipated to the outside to prevent the heat source form remaining at the surrounding of the CPUs and related components installed on the motherboard to achieve an excellent heat dissipating efficiency.

Abstract: The present invention discloses a mini power supply module comprising a circuit board and a power connector. Said power connector is abutted and electrically connected with said power connector through coupling parts. Said power connector is provided with an orientating mechanism to change the angle between said power connector and said circuit board. Said power connector is further included with an input port for receiving the input of an external power source, a contact terminal for matching with the connector on motherboard, and at least one output port for outputting power to peripheral devices.

Abstract: A link rod type adjustable screen fixing apparatus includes: a fixing base, having at least one operating slot; at least one distal plate device, having at least one pair of distal plates embedded in the operating slot, and slidably moving in the operating slot, and an upper frame plate disposed at an external side of the distal plate; at least one contractible device, formed by pivotally coupling link rods, and installed in the operating slot, and a side of the contractible device being pivotally coupled to the distal plate; and a containing space, defined by the upper frame plate of the distal plates for installing a screen. The distal plate is contractible in the operating slot for adjusting the containing space, such that the invention can fit screens of different sizes, and provide a convenient replacement and a dynamic adjustment.

Abstract: The present invention discloses an electronic device using a memory to expand storage capacity, and the device includes a main board and a data storage module. The main board includes at least one interface card slot, and the data storage module includes at least one storage interface card, and a plurality of memory slots disposed on the storage interface card for movably inserting a memory. The memory is for storing data, and the storage interface card is inserted into the interface card slot. With the memory slot on the storage interface card, the memory can be expanded conveniently, and the storage capacity can be increased dynamically as needed. The invention also enhances the security, performance, and vibration resisting function of the data storage.