Abstract: An electronic device includes an input unit, a memory, a page flipping control unit, a buffer, a display, a processor and a switching unit. The input unit generates flipping commands in response to operations of a user. The memory stores a document. The processor displays the document in response to a document opening operation of the user, retrieves a predetermined page range of pages of the document from the memory, and stores the retrieved pages of the document in the buffer. The page flipping control unit receives the flipping commands, accesses the buffer, and flips pages on the display. The switching unit is connected to the memory, the display, and the buffer, and establishes a connection between the display, the buffer and the processor or establishes a connection between the display, the buffer, and the page flipping control unit under control of the processor.

Abstract: A multidimensional display apparatus includes a main display screen divided into at least three display areas including a first centre display area and at least two surrounded display areas, at least two reflective elements, and at least three display surfaces. The reflective elements are arranged above and inclined with respect to the second display areas, and a reflection surface of each of the reflective elements faces the corresponding second display area. One of the display surfaces is above the first display area, and the other two are corresponding to the second display areas, facing the reflection surfaces of the reflective elements. The contents displayed on the first display area is viewable on the display surface above, and the contents displayed on the second display areas are reflected by the corresponding reflection surfaces of the reflective elements and viewable on the other two display surfaces.

Abstract: An under-voltage protection circuit has a power input terminal connected to a battery, a power output terminal connected to an electronic device, a switch circuit for switching the power supply circuit from the power input terminal to the power output terminal, a control circuit for controlling the switch circuit, and a control voltage generating circuit that generates a first control voltage when the switch circuit is cut off. The control circuit controls the switch circuit in accordance with the first control voltage. The control voltage generating circuit further generates a second control voltage when the switch circuit is conductive, and then the control circuit controls the switch circuit in accordance with the second control voltage.

Abstract: A battery management system includes a power converter, a first switch, a second switch, a first detecting unit, and a CPU. The power converter is configured to divide current provided by the power supply into a first and a second output current, according to a working current of a system load in a normal state, the first output current is used to power the system load, and the second output current is used to charge a battery unit. The CPU is configured to determine whether the value of current detected by the first detecting unit is greater than a threshold value, and further controls turning on the first switch to power the system load using the first output current, and turn on the second switch to charge the battery unit using the second output current.

Abstract: An electronic device with a sleep mode includes a CPU and a monitoring unit. The monitoring unit includes a testing module, a storage module, a comparing module, and a signal generating module. The CPU falls into standby mode when the electronic device is in the sleep mode. When the comparing module determines any one of one or more parameters of a battery which supplies power to the electronic device measured by the testing module is not within a corresponding predetermined range stored in the storage module, the signal generating module generates signals to awake the CPU. The awaked CPU executes protection operation to protect the electronic device. A related method is also provided.

Abstract: A remote control comprises a button generating control signals; a transmission unit configured to transmit the control signals to an electronic reader; a microprocessor unit configured to analyze an operation type according to the control signals and generate operation signals corresponding to the operation type to signal the electronic reader to flip page. A remote control method applied in a remote control of an electronic reader is also provided.

Abstract: An electronic device comprising an input unit and a remote control for generating control signals; an interface unit; and a processor unit configured to analyze operation type according to the control signals, and control the electronic device to flip page. A remote control method applied in an electronic device is also provided.

Abstract: A protection circuit for protecting a rechargeable battery is provided. The protection circuit includes a voltage-threshold generating unit and a comparing unit. The voltage-threshold generating unit is for generating a threshold voltage. The comparing unit is for comparing the threshold voltage to the rechargeable battery voltage and outputting a charging enable signal or a charging disable signal according to the comparison result. The comparing unit outputs the charging enable signal if the amplitude of the threshold voltage is lower than that of the rechargeable battery, or outputs the charging disable signal as the amplitude of the threshold voltage is equal to or higher than that of the rechargeable battery. A battery charger apparatus using the protection circuit is also provided.

Abstract: An anti-counterfeiting electronic device includes a function component assigned with an identification code ID and a processor. The processor generates a random code K1 and transmits the random code K1 to the function component; the function component encrypts the random code K1 and the identification code ID to generate a key ID1. The processor further obtains the key ID1 from the function component and decrypts the key ID1 to generate an identification code ID2, and determines whether the identification code ID2 is the same as the ID and executes the system login command if the identification code ID2 is the same as the identification code ID. An anti-counterfeiting method is also provided.

Abstract: An electronic apparatus capable of saving power is provided. The electronic apparatus includes a buffer, a central processing unit (CPU), and a power supply unit. The power supply unit includes a mechanical switch circuit, a first switch circuit, and a second switch circuit. The first switch circuit is capable of being turned on by the mechanical switch circuit to receive power from a power input port and providing power to the buffer. The second switch circuit is capable of being turned on by the mechanical switch circuit to receive power from the power input port through the first switch circuit and providing power to the CPU, and the CPU being operable to generate a control signal to turn off the second switch circuit to interrupt the power provided to the CPU.

Abstract: A scanning circuit includes n column wires, a ground column wire, n row wires, n*n keys, and n diodes. The column wires and the ground column wire cross the n row wires to form n*(n+1) intersections. The ground column wire having a terminal is for being connected to the high voltage source and the other terminal is grounded. A control unit includes n ports electrically connected to the row wires correspondingly. The diodes are set on n intersections of the matrix, and each diode has a positive terminal electrically connected to the corresponding row wire, and a negative terminal electrically connected to the corresponding numbered column wire. The n*n keys are set on the intersections except where the diodes are located, the n*n keys are connected across column wires, the ground column wire, and the n row wires correspondingly. A related method is also provided.

Abstract: A power switch circuit providing voltage to an output port is provided. The switch circuit includes a single power supply, a switch unit, a controlling unit, and a logic unit. The switch unit is connected between the single power supply and an output port and capable of being turned on and off alternatively for continuing or discontinuing power from the single power supply to the output port; the single power supply provides power to the output port. The controlling unit is configured for generating a voltage controlling signal and transmitting the voltage controlling signal to the logic unit. The logic unit receives and inverts the voltage controlling signal, and outputs the inverted voltage controlling signal to turn on or turn off the switch unit.

Abstract: A stylus pen includes a penholder and a pen tip connected to the penholder. The pen tip includes a first pen tip and a second pen tip. A first contact surface and a second contact surface are respectively defined in one end of the first pen tip and the second pen tip, and both are substantially parallel to each other. A cavity is defined in the second pen tip, in which the first pen tip is slidably received. An elastic member is arranged in the cavity to provide an elastic force to the first pen tip to cause the first pen tip to extend out of the cavity. When the pen tip is pressed, the elastic member is compressed to allow the first pen tip to retract into the cavity, allowing the first contact surface and the second contact surface to be flush with each other.

Abstract: A touch screen system includes a touch screen corresponding to a Descartes coordinate system XOY, a first image capturing unit, a second capturing unit, and a processing unit. The first image capturing unit and the second capturing unit are arranged at the periphery of the touch screen and are substantially perpendicular to each other. Both the two image capturing units include a camera and a housing, the camera is housed in the housing to take images, an optical axis of the lens of each camera is perpendicular to X or Y axis of the system XOY respectively for acquiring images including one touch point. The processing unit identifies a touched point on the touch screen and determines X and Y coordinates of the touched point in the system XOY and executing a function corresponding to the X and Y coordinates of the touched point.

Abstract: A method of switching working modes, the method includes: supplying a storage unit, therein the storage unit stores at least two working modes, alarm information, and alarm time, the alarm information includes indicating information and determining information; detecting whether a system time matches the alarm time; outputting the indicating information when the system time matches the alarm time; receiving input; determining whether the input matches the determining information; controlling the electronic device to switch from one working mode to another working mode when the input matches the determining information. An electronic device with working modes switching function is also provided.

Abstract: An electronic device with an alarm clock function includes a storage unit storing an alarm time, audio files and related information; an audio playing module for randomly playing an audio file via an audio output unit which matches the alarm time; an option generating module for generating and outputting preset number options, at least one of them containing the related information of the playing audio file; a comparison module for receiving inputs and determining whether the input matches the related information of the playing audio file; a managing unit for disabling the alarm clock function when the input matches the related information. A method of controlling the alarm clock function is also provided.

Abstract: The present invention provides an electronic device and a method for selecting functions based on orientations of the electronic device. The method includes: a) storing relationships between orientations and functions; b) fetching inductive signals based on the orientation of the electronic device; c) recognizing the current orientation according to the fetched signals; and d) if the orientation is altered, selecting a function corresponding to the altered orientation and displaying a corresponding interface.

Abstract: A method of switching working modes, the method includes: supplying a storage unit, therein the storage unit stores at least two working modes, alarm information, and alarm time, the alarm information includes indicating information and determining information; detecting whether a system time matches the alarm time; outputting the indicating information when the system time matches the alarm time; receiving input; determining whether the input matches the determining information; controlling the electronic device to switch from one working mode to another working mode when the input matches the determining information. An electronic device with working modes switching function is also provided.

Abstract: The present invention provides an image display apparatus and an image display method adapted for the apparatus. The apparatus stores a plurality of image files and metadata of each of the image files, and provides current timestamp. The metadata for each image includes an upload timestamp, a last-displayed timestamp, and a weighted value. A load-timestamp period is a time difference between the current timestamp and the upload timestamp. A not-displayed timestamp period is also a difference in time between the current timestamp and the last-displayed timestamp. The weighted value is calculated according to the load-timestamp period and the not-displayed timestamp period. The apparatus displays selected image files in accordance with the weighted values of the selected image files in an order. The present invention also provides a method of displaying image files adapted for the image display apparatus.

Abstract: An electronic device with an alarm clock function includes a storage unit storing an alarm time, audio files and related information; an audio playing module for randomly playing an audio file via an audio output unit which matches the alarm time; an option generating module for generating and outputting preset number options, at least one of them containing the related information of the playing audio file; a comparison module for receiving inputs and determining whether the input matches the related information of the playing audio file; a managing unit for disabling the alarm clock function when the input matches the related information. A method of controlling the alarm clock function is also provided.