Abstract: A rack server system and an operating method applicable thereto are provided. The rack server system includes a battery backup unit (BBU) and at least one server. The operating method includes: communicating the server and the BBU with each other; the BBU providing a status information and a previous self-discharging test information to the server for the server to judge a status of the BBU; and providing power from the BBU to the server and adjusting a loading of the server according to the status information of the BBU when an input power is interrupted.

Abstract: A rack server system including at least one server and a battery backup unit (BBU) is provided. A power supplier is coupled to the server for converting an input voltage into a first output voltage when the input voltage is normal and for providing the first output voltage to the server. The BBU is coupled to the server and the power supplier for detecting the first output voltage outputted from the power supplier and for providing a second output voltage to the server when the input voltage and/or the first output voltage are abnormal.

Abstract: A rack server system and a control method thereof are provided. The rack server system establishes a communication link for communicating with a battery backup unit. The battery backup unit is connected to a power input port of the rack server system, and includes a number of battery modules connected with each other in parallel. The rack server system controls the battery backup unit to perform validity test on a first battery module during a first period and to perform validity test on a second battery module during a second period, wherein the first period and the second period are not overlapped with each other.

Abstract: A computer system and a diagnostic method thereof are provided. The computer system comprises a system management bus (SMBus) switch, a plurality of servers and a remote management controller (RMC). Each server comprises a diagnostic message port, a basic input output system (BIOS) and a logic circuit. The BIOS outputs a diagnostic message to the diagnostic message port. The logic circuit catches the diagnostic message. The RMC comprises a SMBus host controller. The SMBus host controller controls the SMBus switch to connect the SMBus host controller to a corresponding logic circuit according to a request. The logic circuit responds the diagnostic message to the SMBus host controller according to the request.

Abstract: A computer system and an operation system loading method thereof are provided. The computer system comprises a universal serial bus (USB) storage device storing a boot image, servers and a boot image sharer comprising USB ports, a memory, a first USB host controller and a micro-processor. The micro-processor controls the first USB host controller to emulate each USB port to the USB storage device, and stores the boot image to memory, such that the boot image is shared to the USB ports. The servers are respectively coupled to the USB ports, wherein each server comprises a second USB host controller and a basic input output system (BIOS). The second USB host controller is coupled to one of the USB ports. The BIOS reads the boot image from the emulated USB storage device and loads an operation system according to the boot image.

Abstract: A wireless keyboard base includes a base, a wireless keyboard and a plurality of magnets. The base has a groove to accommodate an edge of an electronic device. The wireless keyboard is disposed on the base and has a wireless communication module to exchange information data with the electronic device. The plurality of magnets are disposed within the groove to magnetically attract the edge of the electronic device.

Abstract: A twin-Vee-type dual band antenna includes interconnected first and second conductor arms and interconnected first and second mirroring conductor arms disposed on a substrate. The second conductor arm has a radiator section extending parallel to the first conductor arm. The first mirroring conductor arm is symmetrical to the first conductor arm, and forms an angle (?) of less than 180 degrees with the first conductor arm. The second mirroring conductor arm is symmetrical to the second conductor arm, and has a radiator section extending parallel to the first mirroring conductor arm.

Abstract: A dual-axis hinge structure and electric device having the same are provided, and the dual-axis hinge structure includes a hinge base having a pushed portion, a first pivot portion having a first cam and a first shaft, a second pivot portion having a second cam and a second shaft, and a restoring member connected both the first pivot portion and the second pivot portion. The first shaft is pivoted on the hinge base, and the first cam is fixed on the first shaft, and the first cam is contacted with one lateral side of the pushed portion. The second shaft is parallel to the first shaft, and is pivoted on the hinge base, and the second cam is fixed on the second shaft, and the second cam is contacted with another lateral side of the pushed portion.

Abstract: A foldable electric device comprises a first member, a second member and a pivot portion. The pivot portion is used to pivot the first member and the second member. The first member comprises a first cushion pad and a first magnetic component. The first cushion pad is retractably disposed on a surface of the first member. The first magnetic component is installed in the first member, and synchronously moves with the first cushion pad. The second member comprises a second magnetic component. When the first member and the second member are covered together, with the magnetic effect between the first magnetic component and the second magnetic component, the first cushion pad is linked by the first magnetic unit to protrude from or retract into the first member.

Abstract: A high frequency electromagnetic induction heating device includes a power supply, a high frequency electromagnetic induction coil and an electromagnetic guide sleeve. The high frequency electromagnetic induction coil has two electrodes which are electrically connected with the power supply. The electromagnetic guide sleeve is disposed around the high frequency electromagnetic induction coil, and has an opening exposing the high frequency electromagnetic induction coil, wherein the opening faces towards a surface to be heated.

Abstract: A biaxial rotary display module is disclosed, which includes a first casing, a rail disposed on the first casing, a rotary piece arranged in the rail, a second casing having s display panel, and two hinges. The rotary piece has a pivoting portion pivoted to the first casing, and the rotary piece is rotated in the rail. The hinges are disposed on opposite sides of the pivoting portion for connecting the second casing and the rotary piece, thereby causing the second casing able to be pivoted relative to the first casing via the two hinges and swiveled relative to the first casing via the rotary piece.

Abstract: A rack server system controlled by a remote controller includes a number of server units and a middle plane board. Each of the server units includes a baseboard management controller (BMC), a server-end connector, and a server-end switch, coupled to the BMC and the server-end connector for regulating communication operation therebetween. The middle plane board includes an integrated connector and a plane-end switch, coupled to the server-end switches of each of the server units and the integrated connector for regulating communication operation thereamong. The remote controller is coupled to the rack server system via one of the integrated connector and the server-end connectors and manages the communication operation of the server units.

Abstract: A method for swapping display contents between a first and a second screen. The first screen is a primary screen. A window is displayed on one of the first and the second screen. The method includes: calculating a window movement distance according to a relative position between the first and the second screen; performing swapping to set the second screen as the primary screen; obtaining a coordinate of the window after swapping; obtaining a first coordinate by adding the window movement distance to the coordinate of the window after swapping if the window is located in the first screen before swapping; obtaining a second coordinate by subtracting the window movement distance from the coordinate of the window after swapping if the window is located in the second screen before swapping; moving the window from one of the first and the second screen to the other.

Abstract: A current limiting and averaging circuit for driving a peripheral core circuit with a lower limit current value in response to a supply signal, includes a current limiting module, an energy storage module, and a converter module. The current limiting module provides a limited supply signal whose current value is smaller than or equal to an upper limit value according to the supply signal. The energy storage module stores a storage signal according to the limited supply signal when the upper limit value is higher than the lower limit current value and provides a discharge signal according to the storage signal when the upper limit value is lower than the lower limit current value. The converter module provides a driving signal for driving the peripheral core circuit in response to the limited supply signal or the limited supply signal and the discharge signal.

Abstract: A method and an electronic device for tactile feedback are provided. An original image is input and converted to a binary image which includes a first grayscale value and a second grayscale value. The original image is converted to a grayscale image at least including a third grayscale value between the first grayscale value and the second grayscale value. An index map is generated according to the binary image and the grayscale image. The index map includes a plurality of index values indicative of different strengths for tactile feedback. A touch input on a touch panel is detected when the original image is displayed on a display panel. In response to the detected touch input, a tactile activation unit is driven to generate tactile feedback according to the index map.

Abstract: A rack server system includes a number of server units and a rack. The rack server includes a back plane, a control module, a fan module and a power supply module. The back plane includes a number of slots, via which the server units are respectively connected to the back plane. The fan module is connected to the control module, and dissipates heat generated by the server units under the control of the control module. The power supply module is connected to the control module, and powers the server units under the control of the control module.

Abstract: A method of manufacturing an organic montmorillonite is disclosed. The manufacturing method includes the steps hereinafter. A montmorillonite solution and an intercalation agent solution are prepared respectively. The montmorillonite solution and the intercalation agent solution are mixed at high temperature to form an organic montmorillonite solution. The organic montmorillonite is purified to obtain an organic montmorillonite solution.

Abstract: A system of multimodality-appended rich media comments is provided. The system includes a server and an electronic device. The electronic device includes a network access module, at least one sensor and a processing unit. The network access module communicates with the server. The at least one sensor senses a user's behavior in a recording mode to obtain a sensing data. The processing unit performs an application to provide a source medium, wherein a rich media comment function of the application can be activated to provide multiple interactive objects for selection and then trigger the recording mode. The application uploads the sensing data to the server after the recording mode finishes. The server analyzes the sensing data and accordingly modifies the selected interactive object, combines the source medium with the modified interactive object into a rendered medium, and then delivers the rendered medium to the application.

Abstract: The invention discloses a noise reduction method for reducing noises of an image frame, wherein the image frame consists of a plurality of data rows. The method of the invention includes following step of selectively performing a one-dimensional median algorithm at least twice and a slope algorithm at least once. Accordingly, the noises of the image frame can be reduced effectively.

Abstract: A portable electronic device includes a first body, a second body, a rotating member and a covering member. The second body is connected to the first body and comprises an opening. The rotating member is rotatably disposed in the second body between a first position and a second position. When the rotating member is in the first position, the rotating member is exposed outside of the second body through the opening, and when the rotating member is in the second position, the rotating member is hidden in the second body. The covering member is connected to the rotating member and disposed in the second body between a third position and a fourth position. When the rotating member is in the first position, the covering member is in the third position, and when the rotating member is in the second position, the covering member is in the fourth position.