Abstract: A motherboard with backup power providing an output voltage to at least one computer information apparatus and including a first power connection unit and an Uninterruptible Power Supply (UPS) is provided. The first power connection unit is configured to receive DC power. The DC power is provided by a power supply. The UPS provides the output voltage and detects the DC power. When the DC power is stable, the UPS provides the DC power as the output voltage. When the DC power is unstable, the UPS provides battery power as the output voltage.

Abstract: A carrier module detachably connected to a busbar is provided, including a main body, an electronic connector, and an elastic member, wherein the elastic member includes at least one elastic portion disposed between the main body and the electronic connector. When a first force is applied on the carrier module along a first direction, the electronic connector is engaged with the busbar in a first position. When a second force is applied on the carrier module along the first direction, the electronic connector moves from the first position along a second direction to a second position relative to the main body and compresses the elastic portion.

Abstract: An external control pad for incorporating a mobile device includes two handheld parts, a movable set, and two fastening mechanisms is provided. The movable set is disposed in between the two handheld parts, and each said fastening mechanism is disposed on the movable set. When placing the mobile device in between the two handheld parts, a user adjusts the distance between the two handheld parts by altering the movable set such that the two handheld parts move closer to or away from, the mobile device. The fastening mechanisms for securing the distance posed by the movable set allows the mobile device to be clamped and fixed in between the two handheld parts so that the mobile device is incorporated into the external control pad for users' convenience and ease of use.

Abstract: A method of encryption and decryption for shared libraries in an open operating system is provided. By encrypting a partial portion of an executable and linkable format (ELF) file, where the ELF file is dependent on the shared libraries, an operating system lacking a secret key is not able to use the encrypted ELF file and thus not able to load the shared libraries into the memory for execution, thereby ensuring the protection of the shared libraries.

Abstract: A stud used to support a circuit board on a case, the case has a tapped hole, and the circuit board has a locating hole. The stud includes a main body. The main body includes a screw thread portion and a carrying surface, wherein the main body is fixed to the tapped hole of the case by the screw thread portion, and the carrying surface withstands the circuit board, the carrying surface has an opening and a tooling groove, the opening is corresponding to the locating hole of the circuit board. A hand tool is inserting into the tooling groove of main body, and the shape of the hand tool corresponds to the shape of the tooling groove, so that the main body is able to be fixed to the case or detached from the case by the hand tool.

Abstract: A holding frame and a housing assembly for an electronic device. The holding frame is used to hold a motherboard and at least one peripheral device. The holding frame includes a main holder, a linkage member, and a rotational holder. The motherboard is mounted onto the main holder via the linkage member. The peripheral device is mounted onto the rotational holder. The rotational holder is pivoted to the main holder to rotate on the main holder. The installation of the motherboard or the peripheral device will not be interfered by the structure of the holding frame. The housing assembly includes a case body and the holding frame. The holding frame is disposed within the case body. The installation of mounting the motherboard and the peripheral device onto the holding frame can be performed outside the case body without being interfered by the case body.

Abstract: A cable management apparatus includes a half housing and a plurality of partitions. The half housing has a first side surface and a second side surface opposite to each other. The partitions are disposed in the half housing to divide the interior of the half housing into a plurality of compartments, and each compartment extends to the two faces of the half housing. A plurality of signal cables are respectively disposed into the compartments, so that the signal cables are able to be disposed in the electronic slots through the half housing and that the signal cables are electronically connected to the corresponding pins respectively.

Abstract: A computer input device with switchable operation modes includes a body, a printed-circuit-board (PCB), a processor, and two switches. Two function buttons are disposed on the body to be pressed to move back and forth; the PCB is disposed in the body; the processor and the switches are disposed on the PCB and electrically connected with each other. The processor outputs control signals corresponding to a first operation mode or a second operation mode to a computer. While the switches are respectively triggered by the pressing of the function buttons, triggering signals are transmitted to the processor simultaneously, so that the processor switches the first operation mode to the second operation mode; or the processor switches the second operation mode to the first operation mode.

Abstract: An electronic connector includes a body and a fixing member penetrating through the body. A fastening section of the fixing member is inserted in the body, and an extending section of the fixing member protrudes from the body. The fastening section withstands a block portion of the body toward the extending section inside the body. In this way, when the electronic connector is assembled with a circuit board, the body of the electronic connector is fixed to the circuit board by the fastening section of the fixing member, for avoiding the body separating from the fixing member.

Abstract: An expansion module, for electrically connecting an interface card to a circuit board, includes an electrical connector and a frame. One side surface of the electrical connector is disposed on the circuit board and an electrical slot is disposed on the other side surface of the electrical connector for one end of the interface card to be inserted therein. The frame includes a main body, a fixing portion, and a securing portion. The fixing portion and the securing portion are integrally extended from the main body. The fixing portion is detachably installed to the circuit board, and the securing portion is for the other end of the interface card to be detachably fixed thereon, so as to arrange the interface card upright on the circuit board and reduce area on the circuit board occupied by the interface card.

Abstract: A hard disk rack comprises a housing, a plurality of cartridges for receiving a plurality of hard disk modules, and at least one batten. The housing has a bottom, and a plurality of positioning elements disposed on the bottom at intervals. The cartridges are detachably disposed on the bottom in stacks by fastening a fastening portion to the positioning elements of the housing. The batten is pressed against the cartridges for sandwiching the cartridges between the batten and the bottom of the housing, and two opposite ends of the batten are connected to two opposite sidewalls of the housing detachably in order to facilitate the assembly and disassembly of the cartridges conveniently.

Abstract: An expansion card module includes a box, a tray, a circuit board, and an interconnection device. The box is disposed in a drive bay on the front of a case of a computer. The tray is movably installed in the box and has a slide mechanism. The tray slides into or out of the box by the slide mechanism. The circuit board is disposed on the tray and has a first expansion slot. An expansion card electrically inserts into the first expansion slot of the circuit board, and the circuit board is electrically connected to the motherboard of computer through the interconnection device.

Abstract: A replaceable key module for a keyboard, comprising: a keycap holder, a springy member and a keycap. The keycap holder embraces an accommodation space, a first surface having an opening, and a second surface having a hole. The springy member is located on the second surface and within the accommodation space of the keycap holder. The keycap is movably connected to the springy member through the opening of the first surface of the keycap holder and capable of moving between a released position and a depressed position. The keycap is referred to as in a released position when not depressed and in a depressed position pushing the springy member to be deformed downwardly when depressed. By means of adjusting some factors such as hardness, length, material and pressing angle of the springy member, the user may obtain the key module with the specified pressure load as desired.

Abstract: A switch device includes a positive power terminal, a negative power terminal, a plurality of battery slots and a change-over switch. Each battery slot has a positive battery terminal and a negative battery terminal. The positive battery terminal of a battery slot electrically connects to the positive power terminal. The negative battery terminal of another battery slot electrically connects to the negative power terminal. The change-over switch electrically connects with the positive power terminal, the negative power terminal, the negative battery terminal of the battery slot which electrically connecting to the positive power terminal, and the positive battery terminal of the battery slot which electrically connecting to the negative power terminal. The change-over switch is toggled to connect the battery slots as a parallel connection or a series connection optionally.

Abstract: A server rack configured for a plurality of servers is disclosed, in which each of the servers has a power supply circuit board. The server rack includes: a case having a first face and a second face opposed to each other, the first face having an opening for the servers to be arranged in the case in an orientation; a power supply module provided on the second face of the case; and a power transmission assembly composed of a busbar provided on the second face in the orientation and electrically connected to the power supply module; and a plurality of electrical connectors provided on the busbar and coupled respectively with the power supply circuit boards of the servers. Through the power transmission assembly, the servers may be powered in a centralized way by the power supply module.

Abstract: An input device and a manufacturing method of the input device are provided. The input device includes a circuit board and a plurality of mechanical switches. The circuit board has a first surface, a second surface and a plurality of conductive sheets, the second surface and the first second surface are opposed each other. A plurality of holes are formed on the circuit board and the conductive sheets are disposed at one side of the first surface in pairs around the hole, and each of the conductive sheets has a coupling section bent away from the first surface and the second surface. The mechanical switches are detachable from the circuit board, and each mechanical switch includes a plunger and a plurality of pins. Each of the mechanical switches has a positioning column inserted in the hole.

Abstract: A mouse charging device is applying to an electronic device which comprises a power supply and a first connecting port. The mouse charging device comprises a mouse and a receiver. A charging module of the mouse is disposed in a shell of the mouse, and a first conductive piece of the mouse is disposed on the shell. The first conductive piece is electrically connected to the charging module. The receiver comprises a second connecting port and a second conductive piece. The second connecting port is electrically plugged in the first connecting port and electrically connected to the power supply. The second conductive piece is selectively coupled to the first conductive piece of the mouse. As the second conductive piece and the first conductive piece are coupled together, the power supply of the electronic device is available to charge the charging module of the mouse.

Abstract: A computer case includes a first sidewall, a plurality of peripheral walls, a retractable fence, and a second sidewall. One side of each of the peripheral walls connects with the first sidewall in a surrounding manner; one end of the retractable fence is disposed to the other side of each of the peripheral walls. The retractable fence is able to reciprocate along an extending direction of the peripheral walls. Besides, the second sidewall connects with the other end of the retractable fence in a surrounding manner. An inner space of the computer case is selectively increased or decreased by the reciprocating of the retractable fence for replacing a cooling module or an electronic component with different width.

Abstract: A mouse device used on a surface includes a main body, a circuit assembly and a back cover. The main body includes a bottom and at least one slot formed at the bottom. The circuit assembly is disposed within the main body and executing a default function of the mouse device. The back cover comprises a first side, a second side, at least one hook at the first side, and a plurality of pads at the second side. The back cover contacts with the surface via the plurality of the pads, is disposed detachably at the bottom of the main body and is buckled to the slot by the hook.

Abstract: A headphone device includes a first audio output module, a second audio output module, and a head module connected between the first and second audio output modules that are located at both ends of the head module respectively. The head module stays bent when in use and stays straight when in compact storage. Thus the form factor of the headphone device in compact storage is relatively smaller.