Abstract: An electronic device includes an acceleration sensor and a rotation sensor, both being independently powered, in providing a method of unlocking when locked. An acceleration of the electronic device is detected using the acceleration sensor and a rotation angle of the electronic device is then detected using the rotation sensor. The electronic device is unlocked only if the acceleration of the electronic device exceeds the predetermined value and the electronic device is additionally rotated a predetermined angle within a predetermined time.

Abstract: A music playing system is provided. The system includes a control module, an acquiring module, and a playing module. The control module controls the electronic device to enter a predetermined playing mode in response to a first input operation received by the input unit. The acquiring module acquires the name of each song and the start position and end position of the predetermined segment associated with the acquired name of the song from the table when in the predetermined playing mode. The playing module plays the predetermined segment of each song based on the start position and end position of predetermined segment associated with the acquired name of the song. An electronic device and a music playing method are also provided.

Abstract: A storage battery charge circuit for charging a battery is provided. The circuit includes a voltage input port, a converting circuit, and a charge circuit. The voltage input port is for being connected to a power source to receive a logic high level voltage. The converting circuit is connected to the voltage input port to convert the received logic high level voltage into a control signal including a logic high level voltage and a logic low level voltage alternately and the mark space ratio is not equal to one. The charge circuit is connected to the converting circuit to charge the battery or discharge the battery according to the control signal.

Abstract: A current leakage protection circuit includes a first input terminal, a second input terminal for receiving a power voltage and a current leakage detection terminal configured for detecting a current leakage from an electronic device. A control circuit of the current leakage protection circuit is configured for providing a control signal to control a first switch circuit to switch off a first connection between the first input terminal and a first output terminal and to control a second switch circuit to switch off a second connection between the second input terminal and a second output terminal when the current leakage detection terminal detects current leakage of the electronic device.

Abstract: An illumination apparatus includes a power supply, a pulse width modulation (PWM) circuit, a switching unit, and an illuminating unit. The power supply supplies a supply voltage to the PWM circuit and the illuminating unit. The PWM circuit outputs a first level voltage by being fully charged by the voltage of the power supply and outputs a second level voltage by being fully discharged. The switching unit is turned off according to the first level voltage and controls the illuminating unit to stop emitting light. The switching unit is turned on according to the second level voltage and controls the illuminating unit to emit light.

Abstract: A driving circuit for driving an LCD includes a common electrode, a number of pixel electrodes, a peripheral circuit, and a processing unit including a first input/output (I/O) port, a second I/O port; and a number of third I/O ports. The first I/O port and the second I/O ports are connected to the common electrode via the peripheral circuit, and each third I/O port is connected to a different pixel electrode. The processing unit controls the first I/O port, the second I/O port, and the third I/O ports to output a first or second voltage according to a display signal, thus the pixel electrodes are at the first or the second voltage accordingly, the common electrode is at a voltage in a range between the second voltage and the first voltage in receiving the voltage output by the peripheral circuit, thus driving the LCD to display an image.

Abstract: The disclosure relates to an electronic device and a method of unlocking an electronic lock for the device. The device defines an open mode and stores a first image, the first image is divided into a first plurality of bocks one of which is selected as an electronic key. The device includes a transmitter and a receiver communicated with the transmitter via wireless and connected with the electronic lock via wire. The method includes: when the device enters the open mode, capturing a second image; dividing the second image into a second plurality of blocks in response to user inputs; selecting one of the second plurality of blocks in response to user inputs; determining whether the selected block of the second image is similar to the selected block of the first image; and if yes, sending a control signal to control the receiver to unlock the electronic lock.

Abstract: A security management system is provided. The security management system includes a storage unit and at least one processor. The storage unit stores a restricting table which records relationships between positional information of a mobile device and functions of the mobile device. The at least one processor includes an information module, a restricting module and a disabling module. The information module provides positional information of the mobile device. The restricting module generates a restricting instruction according to the provided positional information of the mobile device and the restricting table. The disabling module disables the corresponding functions of the mobile device according to the generated restricting instruction.

Abstract: A current leakage protection circuit includes a first input terminal, a second input terminal for receiving a power voltage and a current leakage detection terminal configured for detecting a current leakage from an electronic device. A control circuit of the current leakage protection circuit is configured for providing a control signal to control a first switch circuit to switch off a first connection between the first input terminal and a first output terminal and to control a second switch circuit to switch off a second connection between the second input terminal and a second output terminal when the current leakage detection terminal detects current leakage of the electronic device.

Abstract: A charge control system which is applied in a hardware environment includes an electronic device, an intelligent ammeter, and a server. The intelligent ammeter is connected to the server by a network connection. The charge control system includes a storage unit, and at least one processor. The storage unit stores a plurality of validation information. The at least one processor includes a receiving module, a validating module and a charge control module. The receiving module receives information from a user intended to validate the user. The validating module determines whether the received information matches one of the items of predetermined validation information. The charge control module controls the intelligent ammeter to begin charging the electronic device when the received information matches one of items of the predetermined validation information.

Abstract: A file sharing system includes a web server, a first electronic device, and a second electronic device. The web server includes an authorizing module and a server storage module. The server storage module is capable of storing files uploaded from a first electronic device. The authorizing module is capable of recording an authorizing setting from the first electronic device to authorize a second electronic device to access the files in the server storage module.

Abstract: A charging station information control system is provided. The charging station information control system includes at least one processor. A plurality of modules to be executed by the at least one processor includes an information acquiring module and a matching module. The information acquiring module acquires positional information of an electric vehicle. A matching module determines one or more suitable charging stations whose positional information matches the acquired positional information of the electric vehicle, and acquires the positional information of the one or more suitable charging stations.

Abstract: A charge control system which is applied in a hardware environment includes an electronic device, an intelligent ammeter, and a server. The intelligent ammeter is connected to the server by a network connection. The charge control system includes a storage unit, and at least one processor. The storage unit stores a plurality of validation information. The at least one processor includes a receiving module, a validating module and a charge control module. The receiving module receives information from a user intended to validate the user. The validating module determines whether the received information matches one of the items of predetermined validation information. The charge control module controls the intelligent ammeter to begin charging the electronic device when the received information matches one of items of the predetermined validation information.

Abstract: A security management system is provided. The security management system includes a storage unit and at least one processor. The storage unit stores a restricting table which records relationships between positional information of a mobile device and functions of the mobile device. The at least one processor includes an information module, a restricting module and a disabling module. The information module provides positional information of the mobile device. The restricting module generates a restricting instruction according to the provided positional information of the mobile device and the restricting table. The disabling module disables the corresponding functions of the mobile device according to the generated restricting instruction.

Abstract: An illumination apparatus includes a power supply, a pulse width modulation (PWM) circuit, a switching unit, and an illuminating unit. The power supply supplies a supply voltage to the PWM circuit and the illuminating unit. The PWM circuit outputs a first level voltage by being fully charged by the voltage of the power supply and outputs a second level voltage by being fully discharged. The switching unit is turned off according to the first level voltage and controls the illuminating unit to stop emitting light. The switching unit is turned on according to the second level voltage and controls the illuminating unit to emit light.

Abstract: A storage battery charge circuit for charging a battery is provided. The circuit includes a voltage input port, a converting circuit, and a charge circuit. The voltage input port is for being connected to a power source to receive a logic high level voltage. The converting circuit is connected to the voltage input port to convert the received logic high level voltage into a control signal including a logic high level voltage and a logic low level voltage alternately and the mark space ratio is not equal to one. The charge circuit is connected to the converting circuit to charge the battery or discharge the battery according to the control signal.

Abstract: A driving circuit for driving an LCD includes a common electrode, a number of pixel electrodes, a peripheral circuit, and a processing unit including a first input/output (I/O) port, a second I/O port; and a number of third I/O ports. The first I/O port and the second I/O ports are connected to the common electrode via the peripheral circuit, and each third I/O port is connected to a different pixel electrode. The processing unit controls the first I/O port, the second I/O port, and the third I/O ports to output a first or second voltage according to a display signal, thus the pixel electrodes are at the first or the second voltage accordingly, the common electrode is at a voltage in a range between the second voltage and the first voltage in receiving the voltage output by the peripheral circuit, thus driving the LCD to display an image.

Abstract: A method for storing files in a storage device includes the following steps. The storage device is divided into an original partition and a system partition. A plurality of original files is installed in the original partition. A shortcut is established in the system partition pointing to a first original file of the original files. The first original file can be executed by activating the shortcut.

Abstract: A server includes an event schedule module, an authorization manager, and a control module. The event schedule module establishes a meeting schedule. The authorization manager provides an authorization key and a plurality of participant identifications. The control module establishes a virtual private network according to the meeting schedule. The virtual private network groups at least one resource device, and a plurality of clients with the authorization key.

Abstract: A remote control system includes a receiving and recognition module, a converting module, and a control interface module. The receiving and recognition is used for receiving a signal from a user and recognizing the signal as a user command associated with an electronic device. The converting module is used for converting the user command into a control command identifiable by the electronic device. The control interface module is used for sending the control command to the electronic device to control the electronic device.